id	sid	tid	token	lemma	pos
4520	1	1	Open	open	JJ
4520	1	2	Search	search	NN
4520	1	3	Environments	environment	NNS
4520	1	4	:	:	:
4520	1	5	The	the	DT
4520	1	6	Free	Free	NNP
4520	1	7	Alternative	alternative	NN
4520	1	8	to	to	IN
4520	1	9	Commercial	Commercial	NNP
4520	1	10	Search	Search	NNP
4520	1	11	Services	Services	NNPS
4520	1	12	.	.	.
4520	2	1	Adrian	adrian	JJ
4520	2	2	O’Riordan	O’Riordan	NNP
4520	2	3	INFORMATION	INFORMATION	VBD
4520	2	4	TECHNOLOGY	TECHNOLOGY	NNP
4520	2	5	AND	and	CC
4520	2	6	LIBRARIES	LIBRARIES	NNP
4520	2	7	|	|	NNP
4520	2	8	JUNE	JUNE	NNP
4520	2	9	2014	2014	CD
4520	2	10	45	45	CD
4520	2	11	ABSTRACT	ABSTRACT	NNP
4520	2	12	Open	open	JJ
4520	2	13	search	search	NN
4520	2	14	systems	system	NNS
4520	2	15	present	present	VBP
4520	2	16	a	a	DT
4520	2	17	free	free	JJ
4520	2	18	and	and	CC
4520	2	19	less	less	RBR
4520	2	20	restricted	restricted	JJ
4520	2	21	alternative	alternative	NN
4520	2	22	to	to	IN
4520	2	23	commercial	commercial	JJ
4520	2	24	search	search	NN
4520	2	25	services	service	NNS
4520	2	26	.	.	.
4520	3	1	This	this	DT
4520	3	2	paper	paper	NN
4520	3	3	explores	explore	VBZ
4520	3	4	the	the	DT
4520	3	5	space	space	NN
4520	3	6	of	of	IN
4520	3	7	open	open	JJ
4520	3	8	search	search	NN
4520	3	9	technology	technology	NN
4520	3	10	,	,	,
4520	3	11	looking	look	VBG
4520	3	12	in	in	IN
4520	3	13	particular	particular	JJ
4520	3	14	at	at	IN
4520	3	15	lightweight	lightweight	JJ
4520	3	16	search	search	NN
4520	3	17	protocols	protocol	NNS
4520	3	18	and	and	CC
4520	3	19	the	the	DT
4520	3	20	issue	issue	NN
4520	3	21	of	of	IN
4520	3	22	interoperability	interoperability	NN
4520	3	23	.	.	.
4520	4	1	A	a	DT
4520	4	2	description	description	NN
4520	4	3	of	of	IN
4520	4	4	current	current	JJ
4520	4	5	protocols	protocol	NNS
4520	4	6	and	and	CC
4520	4	7	formats	format	NNS
4520	4	8	for	for	IN
4520	4	9	engineering	engineer	VBG
4520	4	10	open	open	JJ
4520	4	11	search	search	NN
4520	4	12	applications	application	NNS
4520	4	13	is	be	VBZ
4520	4	14	presented	present	VBN
4520	4	15	.	.	.
4520	5	1	The	the	DT
4520	5	2	suitability	suitability	NN
4520	5	3	of	of	IN
4520	5	4	these	these	DT
4520	5	5	technologies	technology	NNS
4520	5	6	and	and	CC
4520	5	7	issues	issue	NNS
4520	5	8	around	around	IN
4520	5	9	their	-PRON-	PRP$
4520	5	10	adoption	adoption	NN
4520	5	11	and	and	CC
4520	5	12	operation	operation	NN
4520	5	13	are	be	VBP
4520	5	14	discussed	discuss	VBN
4520	5	15	.	.	.
4520	6	1	This	this	DT
4520	6	2	open	open	JJ
4520	6	3	search	search	NN
4520	6	4	approach	approach	NN
4520	6	5	is	be	VBZ
4520	6	6	especially	especially	RB
4520	6	7	useful	useful	JJ
4520	6	8	in	in	IN
4520	6	9	applications	application	NNS
4520	6	10	involving	involve	VBG
4520	6	11	the	the	DT
4520	6	12	harvesting	harvesting	NN
4520	6	13	of	of	IN
4520	6	14	resources	resource	NNS
4520	6	15	and	and	CC
4520	6	16	information	information	NN
4520	6	17	integration	integration	NN
4520	6	18	.	.	.
4520	7	1	Principal	principal	NN
4520	7	2	among	among	IN
4520	7	3	the	the	DT
4520	7	4	technological	technological	JJ
4520	7	5	solutions	solution	NNS
4520	7	6	are	be	VBP
4520	7	7	OpenSearch	OpenSearch	NNP
4520	7	8	,	,	,
4520	7	9	SRU	SRU	NNP
4520	7	10	,	,	,
4520	7	11	and	and	CC
4520	7	12	OAI	OAI	NNP
4520	7	13	-	-	HYPH
4520	7	14	PMH	PMH	NNP
4520	7	15	.	.	.
4520	8	1	OpenSearch	OpenSearch	NNP
4520	8	2	and	and	CC
4520	8	3	SRU	SRU	NNP
4520	8	4	realize	realize	VBP
4520	8	5	a	a	DT
4520	8	6	federated	federate	VBN
4520	8	7	model	model	NN
4520	8	8	to	to	TO
4520	8	9	enable	enable	VB
4520	8	10	content	content	NN
4520	8	11	providers	provider	NNS
4520	8	12	and	and	CC
4520	8	13	search	search	NN
4520	8	14	clients	client	NNS
4520	8	15	communicate	communicate	VBP
4520	8	16	.	.	.
4520	9	1	Applications	application	NNS
4520	9	2	that	that	WDT
4520	9	3	use	use	VBP
4520	9	4	OpenSearch	OpenSearch	NNP
4520	9	5	and	and	CC
4520	9	6	SRU	SRU	NNP
4520	9	7	are	be	VBP
4520	9	8	presented	present	VBN
4520	9	9	.	.	.
4520	10	1	Connections	connection	NNS
4520	10	2	are	be	VBP
4520	10	3	made	make	VBN
4520	10	4	with	with	IN
4520	10	5	other	other	JJ
4520	10	6	pertinent	pertinent	JJ
4520	10	7	technologies	technology	NNS
4520	10	8	such	such	JJ
4520	10	9	as	as	IN
4520	10	10	open	open	JJ
4520	10	11	-	-	HYPH
4520	10	12	source	source	NN
4520	10	13	search	search	NN
4520	10	14	software	software	NN
4520	10	15	and	and	CC
4520	10	16	linking	linking	NN
4520	10	17	and	and	CC
4520	10	18	syndication	syndication	NN
4520	10	19	protocols	protocol	NNS
4520	10	20	.	.	.
4520	11	1	The	the	DT
4520	11	2	deployment	deployment	NN
4520	11	3	of	of	IN
4520	11	4	these	these	DT
4520	11	5	freely	freely	RB
4520	11	6	licensed	license	VBD
4520	11	7	open	open	JJ
4520	11	8	standards	standard	NNS
4520	11	9	in	in	IN
4520	11	10	web	web	NN
4520	11	11	and	and	CC
4520	11	12	digital	digital	JJ
4520	11	13	library	library	NN
4520	11	14	applications	application	NNS
4520	11	15	is	be	VBZ
4520	11	16	now	now	RB
4520	11	17	a	a	DT
4520	11	18	genuine	genuine	JJ
4520	11	19	alternative	alternative	NN
4520	11	20	to	to	IN
4520	11	21	commercial	commercial	JJ
4520	11	22	and	and	CC
4520	11	23	proprietary	proprietary	JJ
4520	11	24	systems	system	NNS
4520	11	25	.	.	.
4520	12	1	INTRODUCTION	introduction	NN
4520	12	2	Web	web	NN
4520	12	3	search	search	NN
4520	12	4	has	have	VBZ
4520	12	5	become	become	VBN
4520	12	6	a	a	DT
4520	12	7	prominent	prominent	JJ
4520	12	8	part	part	NN
4520	12	9	of	of	IN
4520	12	10	the	the	DT
4520	12	11	Internet	internet	NN
4520	12	12	experience	experience	NN
4520	12	13	for	for	IN
4520	12	14	millions	million	NNS
4520	12	15	of	of	IN
4520	12	16	users	user	NNS
4520	12	17	.	.	.
4520	13	1	Companies	company	NNS
4520	13	2	such	such	JJ
4520	13	3	as	as	IN
4520	13	4	Google	Google	NNP
4520	13	5	and	and	CC
4520	13	6	Microsoft	Microsoft	NNP
4520	13	7	offer	offer	VBP
4520	13	8	comprehensive	comprehensive	JJ
4520	13	9	search	search	NN
4520	13	10	services	service	NNS
4520	13	11	to	to	IN
4520	13	12	users	user	NNS
4520	13	13	free	free	JJ
4520	13	14	with	with	IN
4520	13	15	advertisements	advertisement	NNS
4520	13	16	and	and	CC
4520	13	17	sponsored	sponsored	JJ
4520	13	18	links	link	NNS
4520	13	19	,	,	,
4520	13	20	the	the	DT
4520	13	21	only	only	JJ
4520	13	22	reminder	reminder	NN
4520	13	23	that	that	IN
4520	13	24	these	these	DT
4520	13	25	are	be	VBP
4520	13	26	commercial	commercial	JJ
4520	13	27	enterprises	enterprise	NNS
4520	13	28	.	.	.
4520	14	1	Businesses	business	NNS
4520	14	2	and	and	CC
4520	14	3	developers	developer	NNS
4520	14	4	on	on	IN
4520	14	5	the	the	DT
4520	14	6	other	other	JJ
4520	14	7	hand	hand	NN
4520	14	8	are	be	VBP
4520	14	9	restricted	restrict	VBN
4520	14	10	in	in	IN
4520	14	11	how	how	WRB
4520	14	12	they	-PRON-	PRP
4520	14	13	can	can	MD
4520	14	14	use	use	VB
4520	14	15	these	these	DT
4520	14	16	search	search	NN
4520	14	17	services	service	NNS
4520	14	18	to	to	TO
4520	14	19	add	add	VB
4520	14	20	search	search	NN
4520	14	21	capabilities	capability	NNS
4520	14	22	to	to	IN
4520	14	23	their	-PRON-	PRP$
4520	14	24	own	own	JJ
4520	14	25	websites	website	NNS
4520	14	26	or	or	CC
4520	14	27	for	for	IN
4520	14	28	developing	develop	VBG
4520	14	29	applications	application	NNS
4520	14	30	with	with	IN
4520	14	31	a	a	DT
4520	14	32	search	search	NN
4520	14	33	feature	feature	NN
4520	14	34	.	.	.
4520	15	1	The	the	DT
4520	15	2	closed	closed	JJ
4520	15	3	nature	nature	NN
4520	15	4	of	of	IN
4520	15	5	the	the	DT
4520	15	6	leading	lead	VBG
4520	15	7	web	web	NN
4520	15	8	search	search	NN
4520	15	9	technology	technology	NN
4520	15	10	places	place	NNS
4520	15	11	barriers	barrier	NNS
4520	15	12	in	in	IN
4520	15	13	the	the	DT
4520	15	14	way	way	NN
4520	15	15	of	of	IN
4520	15	16	developers	developer	NNS
4520	15	17	who	who	WP
4520	15	18	want	want	VBP
4520	15	19	to	to	TO
4520	15	20	incorporate	incorporate	VB
4520	15	21	search	search	NN
4520	15	22	functionality	functionality	NN
4520	15	23	into	into	IN
4520	15	24	applications	application	NNS
4520	15	25	.	.	.
4520	16	1	For	for	IN
4520	16	2	example	example	NN
4520	16	3	,	,	,
4520	16	4	Google	Google	NNP
4520	16	5	’s	’s	POS
4520	16	6	programmatic	programmatic	JJ
4520	16	7	search	search	NN
4520	16	8	API	API	NNP
4520	16	9	is	be	VBZ
4520	16	10	a	a	DT
4520	16	11	RESTful	restful	JJ
4520	16	12	method	method	NN
4520	16	13	called	call	VBN
4520	16	14	Google	Google	NNP
4520	16	15	Custom	Custom	NNP
4520	16	16	Search	Search	NNP
4520	16	17	API	API	NNP
4520	16	18	that	that	WDT
4520	16	19	offers	offer	VBZ
4520	16	20	only	only	RB
4520	16	21	100	100	CD
4520	16	22	search	search	NN
4520	16	23	queries	query	NNS
4520	16	24	per	per	IN
4520	16	25	day	day	NN
4520	16	26	for	for	IN
4520	16	27	free.1	free.1	NFP
4520	16	28	The	the	DT
4520	16	29	limited	limited	JJ
4520	16	30	usage	usage	NN
4520	16	31	restrictions	restriction	NNS
4520	16	32	of	of	IN
4520	16	33	these	these	DT
4520	16	34	APIs	api	NNS
4520	16	35	mean	mean	VBP
4520	16	36	that	that	IN
4520	16	37	organizations	organization	NNS
4520	16	38	are	be	VBP
4520	16	39	now	now	RB
4520	16	40	frequently	frequently	RB
4520	16	41	looking	look	VBG
4520	16	42	elsewhere	elsewhere	RB
4520	16	43	for	for	IN
4520	16	44	the	the	DT
4520	16	45	provision	provision	NN
4520	16	46	of	of	IN
4520	16	47	search	search	NN
4520	16	48	functionality	functionality	NN
4520	16	49	.	.	.
4520	17	1	Free	free	JJ
4520	17	2	software	software	NN
4520	17	3	libraries	library	NNS
4520	17	4	for	for	IN
4520	17	5	information	information	NN
4520	17	6	retrieval	retrieval	NN
4520	17	7	and	and	CC
4520	17	8	search	search	NN
4520	17	9	engines	engine	NNS
4520	17	10	have	have	VBP
4520	17	11	been	be	VBN
4520	17	12	available	available	JJ
4520	17	13	for	for	IN
4520	17	14	some	some	DT
4520	17	15	time	time	NN
4520	17	16	allowing	allow	VBG
4520	17	17	developers	developer	NNS
4520	17	18	to	to	TO
4520	17	19	build	build	VB
4520	17	20	their	-PRON-	PRP$
4520	17	21	own	own	JJ
4520	17	22	search	search	NN
4520	17	23	solutions	solution	NNS
4520	17	24	.	.	.
4520	18	1	These	these	DT
4520	18	2	libraries	library	NNS
4520	18	3	enable	enable	VBP
4520	18	4	search	search	NN
4520	18	5	and	and	CC
4520	18	6	retrieval	retrieval	NN
4520	18	7	of	of	IN
4520	18	8	document	document	NN
4520	18	9	collections	collection	NNS
4520	18	10	on	on	IN
4520	18	11	the	the	DT
4520	18	12	Web	web	NN
4520	18	13	or	or	CC
4520	18	14	offline	offline	NN
4520	18	15	.	.	.
4520	19	1	Web	web	NN
4520	19	2	crawlers	crawler	NNS
4520	19	3	can	can	MD
4520	19	4	harvest	harvest	VB
4520	19	5	content	content	NN
4520	19	6	from	from	IN
4520	19	7	multiple	multiple	JJ
4520	19	8	sources	source	NNS
4520	19	9	.	.	.
4520	20	1	A	a	DT
4520	20	2	problem	problem	NN
4520	20	3	is	be	VBZ
4520	20	4	how	how	WRB
4520	20	5	to	to	TO
4520	20	6	meet	meet	VB
4520	20	7	users	user	NNS
4520	20	8	’	’	POS
4520	20	9	expectations	expectation	NNS
4520	20	10	of	of	IN
4520	20	11	search	search	NN
4520	20	12	efficacy	efficacy	NN
4520	20	13	while	while	IN
4520	20	14	not	not	RB
4520	20	15	having	have	VBG
4520	20	16	Adrian	adrian	JJ
4520	20	17	O’Riordan	O’Riordan	NNP
4520	20	18	(	(	-LRB-
4520	20	19	a.oriordan@cs.ucc.ie	a.oriordan@cs.ucc.ie	NNP
4520	20	20	)	)	-RRB-
4520	20	21	is	be	VBZ
4520	20	22	Lecturer	Lecturer	NNP
4520	20	23	,	,	,
4520	20	24	School	School	NNP
4520	20	25	of	of	IN
4520	20	26	Computer	Computer	NNP
4520	20	27	Science	Science	NNP
4520	20	28	and	and	CC
4520	20	29	Information	Information	NNP
4520	20	30	Technology	Technology	NNP
4520	20	31	,	,	,
4520	20	32	University	University	NNP
4520	20	33	College	College	NNP
4520	20	34	,	,	,
4520	20	35	Cork	Cork	NNP
4520	20	36	,	,	,
4520	20	37	Ireland	Ireland	NNP
4520	20	38	.	.	.
4520	21	1	OPEN	open	JJ
4520	21	2	SEARCH	search	NN
4520	21	3	ENVIRONMENTS	environment	NNS
4520	21	4	:	:	:
4520	21	5	THE	the	DT
4520	21	6	FREE	free	JJ
4520	21	7	ALTERNATIVE	alternative	NN
4520	21	8	TO	to	IN
4520	21	9	COMMERCIAL	commercial	JJ
4520	21	10	SEARCH	SEARCH	NNP
4520	21	11	SERVICES	SERVICES	NNP
4520	21	12	|	|	NNP
4520	21	13	O’RIORDAN	O’RIORDAN	NNP
4520	21	14	46	46	CD
4520	21	15	the	the	DT
4520	21	16	resources	resource	NNS
4520	21	17	of	of	IN
4520	21	18	the	the	DT
4520	21	19	large	large	JJ
4520	21	20	search	search	NN
4520	21	21	providers	provider	NNS
4520	21	22	.	.	.
4520	22	1	Reservations	reservation	NNS
4520	22	2	about	about	IN
4520	22	3	the	the	DT
4520	22	4	business	business	NN
4520	22	5	case	case	NN
4520	22	6	for	for	IN
4520	22	7	free	free	JJ
4520	22	8	open	open	JJ
4520	22	9	search	search	NN
4520	22	10	include	include	VBP
4520	22	11	that	that	IN
4520	22	12	large	large	JJ
4520	22	13	-	-	HYPH
4520	22	14	scale	scale	NN
4520	22	15	search	search	NN
4520	22	16	is	be	VBZ
4520	22	17	too	too	RB
4520	22	18	resource	resource	NN
4520	22	19	-	-	HYPH
4520	22	20	hungry	hungry	JJ
4520	22	21	and	and	CC
4520	22	22	the	the	DT
4520	22	23	operational	operational	JJ
4520	22	24	costs	cost	NNS
4520	22	25	are	be	VBP
4520	22	26	too	too	RB
4520	22	27	high	high	JJ
4520	22	28	;	;	:
4520	22	29	but	but	CC
4520	22	30	these	these	DT
4520	22	31	suppositions	supposition	NNS
4520	22	32	have	have	VBP
4520	22	33	been	be	VBN
4520	22	34	challenged.2	challenged.2	LS
4520	22	35	Open	open	JJ
4520	22	36	search	search	NN
4520	22	37	technology	technology	NN
4520	22	38	enables	enable	VBZ
4520	22	39	you	-PRON-	PRP
4520	22	40	to	to	TO
4520	22	41	harvest	harvest	VB
4520	22	42	resources	resource	NNS
4520	22	43	and	and	CC
4520	22	44	combine	combine	VB
4520	22	45	searchers	searcher	NNS
4520	22	46	in	in	IN
4520	22	47	innovative	innovative	JJ
4520	22	48	ways	way	NNS
4520	22	49	outside	outside	IN
4520	22	50	the	the	DT
4520	22	51	commercial	commercial	JJ
4520	22	52	search	search	NN
4520	22	53	platforms	platform	NNS
4520	22	54	.	.	.
4520	23	1	Further	further	JJ
4520	23	2	prospects	prospect	NNS
4520	23	3	for	for	IN
4520	23	4	open	open	JJ
4520	23	5	search	search	NN
4520	23	6	systems	system	NNS
4520	23	7	and	and	CC
4520	23	8	open	open	JJ
4520	23	9	-	-	HYPH
4520	23	10	source	source	NN
4520	23	11	search	search	NN
4520	23	12	lie	lie	NN
4520	23	13	in	in	IN
4520	23	14	areas	area	NNS
4520	23	15	such	such	JJ
4520	23	16	as	as	IN
4520	23	17	peer	peer	NN
4520	23	18	-	-	HYPH
4520	23	19	to	to	IN
4520	23	20	-	-	HYPH
4520	23	21	peer	peer	NN
4520	23	22	,	,	,
4520	23	23	information	information	NN
4520	23	24	extraction	extraction	NN
4520	23	25	,	,	,
4520	23	26	and	and	CC
4520	23	27	subject	subject	NN
4520	23	28	-	-	HYPH
4520	23	29	specific	specific	JJ
4520	23	30	technology.3	technology.3	CD
4520	23	31	Many	many	JJ
4520	23	32	search	search	NN
4520	23	33	systems	system	NNS
4520	23	34	unfortunately	unfortunately	RB
4520	23	35	use	use	VBP
4520	23	36	their	-PRON-	PRP$
4520	23	37	own	own	JJ
4520	23	38	formats	format	NNS
4520	23	39	and	and	CC
4520	23	40	protocols	protocol	NNS
4520	23	41	for	for	IN
4520	23	42	indexing	indexing	NN
4520	23	43	,	,	,
4520	23	44	search	search	NN
4520	23	45	,	,	,
4520	23	46	and	and	CC
4520	23	47	results	result	NNS
4520	23	48	lists	list	NNS
4520	23	49	.	.	.
4520	24	1	This	this	DT
4520	24	2	makes	make	VBZ
4520	24	3	it	-PRON-	PRP
4520	24	4	difficult	difficult	JJ
4520	24	5	to	to	TO
4520	24	6	extend	extend	VB
4520	24	7	,	,	,
4520	24	8	alter	alter	VB
4520	24	9	,	,	,
4520	24	10	or	or	CC
4520	24	11	combine	combine	VB
4520	24	12	services	service	NNS
4520	24	13	.	.	.
4520	25	1	Distributed	distribute	VBN
4520	25	2	search	search	NN
4520	25	3	is	be	VBZ
4520	25	4	the	the	DT
4520	25	5	main	main	JJ
4520	25	6	alternative	alternative	NN
4520	25	7	to	to	IN
4520	25	8	building	build	VBG
4520	25	9	a	a	DT
4520	25	10	“	"	``
4520	25	11	single	single	JJ
4520	25	12	”	"	''
4520	25	13	giant	giant	JJ
4520	25	14	index	index	NN
4520	25	15	(	(	-LRB-
4520	25	16	on	on	IN
4520	25	17	mirrored	mirror	VBN
4520	25	18	clusters	cluster	NNS
4520	25	19	)	)	-RRB-
4520	25	20	and	and	CC
4520	25	21	searching	search	VBG
4520	25	22	at	at	IN
4520	25	23	one	one	CD
4520	25	24	site	site	NN
4520	25	25	,	,	,
4520	25	26	a	a	DT
4520	25	27	la	la	NNP
4520	25	28	Google	Google	NNP
4520	25	29	Search	Search	NNP
4520	25	30	and	and	CC
4520	25	31	Microsoft	Microsoft	NNP
4520	25	32	Bing	Bing	NNP
4520	25	33	.	.	.
4520	26	1	Callan	Callan	NNP
4520	26	2	describes	describe	VBZ
4520	26	3	the	the	DT
4520	26	4	distributed	distribute	VBN
4520	26	5	search	search	NN
4520	26	6	model	model	NN
4520	26	7	in	in	IN
4520	26	8	an	an	DT
4520	26	9	information	information	NN
4520	26	10	retrieval	retrieval	NN
4520	26	11	context.4	context.4	NN
4520	26	12	In	in	IN
4520	26	13	his	-PRON-	PRP$
4520	26	14	model	model	NN
4520	26	15	,	,	,
4520	26	16	information	information	NN
4520	26	17	retrieval	retrieval	NN
4520	26	18	consists	consist	VBZ
4520	26	19	of	of	IN
4520	26	20	four	four	CD
4520	26	21	steps	step	NNS
4520	26	22	:	:	:
4520	26	23	discovering	discover	VBG
4520	26	24	databases	database	NNS
4520	26	25	,	,	,
4520	26	26	ranking	rank	VBG
4520	26	27	databases	database	NNS
4520	26	28	by	by	IN
4520	26	29	their	-PRON-	PRP$
4520	26	30	expected	expect	VBN
4520	26	31	ability	ability	NN
4520	26	32	to	to	TO
4520	26	33	satisfy	satisfy	VB
4520	26	34	the	the	DT
4520	26	35	query	query	NN
4520	26	36	,	,	,
4520	26	37	searching	search	VBG
4520	26	38	the	the	DT
4520	26	39	most	most	RBS
4520	26	40	relevant	relevant	JJ
4520	26	41	databases	database	NNS
4520	26	42	,	,	,
4520	26	43	and	and	CC
4520	26	44	merging	merge	VBG
4520	26	45	results	result	NNS
4520	26	46	returned	return	VBN
4520	26	47	by	by	IN
4520	26	48	the	the	DT
4520	26	49	different	different	JJ
4520	26	50	databases	database	NNS
4520	26	51	.	.	.
4520	27	1	Distributed	distribute	VBN
4520	27	2	search	search	NN
4520	27	3	has	have	VBZ
4520	27	4	become	become	VBN
4520	27	5	a	a	DT
4520	27	6	popular	popular	JJ
4520	27	7	approach	approach	NN
4520	27	8	in	in	IN
4520	27	9	the	the	DT
4520	27	10	digital	digital	JJ
4520	27	11	libraries	library	NNS
4520	27	12	field	field	NN
4520	27	13	.	.	.
4520	28	1	Note	note	VB
4520	28	2	that	that	IN
4520	28	3	in	in	IN
4520	28	4	the	the	DT
4520	28	5	digital	digital	JJ
4520	28	6	libraries	library	NNS
4520	28	7	literature	literature	NN
4520	28	8	distributed	distribute	VBN
4520	28	9	search	search	NN
4520	28	10	is	be	VBZ
4520	28	11	often	often	RB
4520	28	12	called	call	VBN
4520	28	13	federated	federate	VBN
4520	28	14	search.5	search.5	CD
4520	28	15	The	the	DT
4520	28	16	federated	federated	JJ
4520	28	17	model	model	NN
4520	28	18	has	have	VBZ
4520	28	19	clear	clear	JJ
4520	28	20	advantages	advantage	NNS
4520	28	21	in	in	IN
4520	28	22	some	some	DT
4520	28	23	application	application	NN
4520	28	24	areas	area	NNS
4520	28	25	.	.	.
4520	29	1	It	-PRON-	PRP
4520	29	2	is	be	VBZ
4520	29	3	very	very	RB
4520	29	4	hard	hard	JJ
4520	29	5	for	for	IN
4520	29	6	a	a	DT
4520	29	7	single	single	JJ
4520	29	8	index	index	NN
4520	29	9	to	to	TO
4520	29	10	do	do	VB
4520	29	11	justice	justice	NN
4520	29	12	to	to	IN
4520	29	13	all	all	PDT
4520	29	14	the	the	DT
4520	29	15	possible	possible	JJ
4520	29	16	schemas	schema	NNS
4520	29	17	in	in	IN
4520	29	18	use	use	NN
4520	29	19	on	on	IN
4520	29	20	the	the	DT
4520	29	21	web	web	NN
4520	29	22	today	today	NN
4520	29	23	.	.	.
4520	30	1	Other	other	JJ
4520	30	2	potential	potential	JJ
4520	30	3	benefits	benefit	NNS
4520	30	4	can	can	MD
4520	30	5	come	come	VB
4520	30	6	from	from	IN
4520	30	7	standardization	standardization	NN
4520	30	8	.	.	.
4520	31	1	The	the	DT
4520	31	2	leading	lead	VBG
4520	31	3	search	search	NN
4520	31	4	engine	engine	NN
4520	31	5	providers	provider	NNS
4520	31	6	utilize	utilize	VBP
4520	31	7	their	-PRON-	PRP$
4520	31	8	own	own	JJ
4520	31	9	proprietary	proprietary	JJ
4520	31	10	technologies	technology	NNS
4520	31	11	for	for	IN
4520	31	12	crawling	crawling	NN
4520	31	13	,	,	,
4520	31	14	indexing	indexing	NN
4520	31	15	,	,	,
4520	31	16	and	and	CC
4520	31	17	the	the	DT
4520	31	18	presentation	presentation	NN
4520	31	19	of	of	IN
4520	31	20	results	result	NNS
4520	31	21	.	.	.
4520	32	1	The	the	DT
4520	32	2	standardization	standardization	NN
4520	32	3	of	of	IN
4520	32	4	result	result	NN
4520	32	5	lists	list	NNS
4520	32	6	would	would	MD
4520	32	7	be	be	VB
4520	32	8	useful	useful	JJ
4520	32	9	for	for	IN
4520	32	10	developers	developer	NNS
4520	32	11	combining	combine	VBG
4520	32	12	information	information	NN
4520	32	13	from	from	IN
4520	32	14	multiple	multiple	JJ
4520	32	15	sources	source	NNS
4520	32	16	or	or	CC
4520	32	17	pipelining	pipeline	VBG
4520	32	18	search	search	NN
4520	32	19	to	to	IN
4520	32	20	other	other	JJ
4520	32	21	functions	function	NNS
4520	32	22	.	.	.
4520	33	1	A	a	DT
4520	33	2	common	common	JJ
4520	33	3	protocol	protocol	NN
4520	33	4	for	for	IN
4520	33	5	declaring	declare	VBG
4520	33	6	and	and	CC
4520	33	7	finding	find	VBG
4520	33	8	searchable	searchable	JJ
4520	33	9	information	information	NN
4520	33	10	is	be	VBZ
4520	33	11	another	another	DT
4520	33	12	desirable	desirable	JJ
4520	33	13	feature	feature	NN
4520	33	14	.	.	.
4520	34	1	Standardized	standardized	JJ
4520	34	2	formats	format	NNS
4520	34	3	and	and	CC
4520	34	4	metadata	metadata	NN
4520	34	5	are	be	VBP
4520	34	6	key	key	JJ
4520	34	7	aspects	aspect	NNS
4520	34	8	of	of	IN
4520	34	9	search	search	NN
4520	34	10	interoperability	interoperability	NN
4520	34	11	,	,	,
4520	34	12	but	but	CC
4520	34	13	the	the	DT
4520	34	14	focus	focus	NN
4520	34	15	of	of	IN
4520	34	16	this	this	DT
4520	34	17	article	article	NN
4520	34	18	is	be	VBZ
4520	34	19	on	on	IN
4520	34	20	protocols	protocol	NNS
4520	34	21	for	for	IN
4520	34	22	exchanging	exchange	VBG
4520	34	23	,	,	,
4520	34	24	searching	search	VBG
4520	34	25	,	,	,
4520	34	26	and	and	CC
4520	34	27	harvesting	harvesting	NN
4520	34	28	information	information	NN
4520	34	29	.	.	.
4520	35	1	In	in	IN
4520	35	2	particular	particular	JJ
4520	35	3	,	,	,
4520	35	4	this	this	DT
4520	35	5	article	article	NN
4520	35	6	focuses	focus	VBZ
4520	35	7	on	on	IN
4520	35	8	lightweight	lightweight	JJ
4520	35	9	protocols	protocol	NNS
4520	35	10	,	,	,
4520	35	11	often	often	RB
4520	35	12	REST	REST	NNP
4520	35	13	(	(	-LRB-
4520	35	14	Representational	representational	JJ
4520	35	15	state	state	NN
4520	35	16	transfer)–style	transfer)–style	NN
4520	35	17	applications	application	NNS
4520	35	18	.	.	.
4520	36	1	Lightweight	lightweight	JJ
4520	36	2	protocols	protocol	NNS
4520	36	3	place	place	VBP
4520	36	4	less	less	RBR
4520	36	5	onerous	onerous	JJ
4520	36	6	overheads	overhead	NNS
4520	36	7	on	on	IN
4520	36	8	development	development	NN
4520	36	9	in	in	IN
4520	36	10	terms	term	NNS
4520	36	11	of	of	IN
4520	36	12	adapting	adapt	VBG
4520	36	13	existing	exist	VBG
4520	36	14	systems	system	NNS
4520	36	15	and	and	CC
4520	36	16	additional	additional	JJ
4520	36	17	metadata	metadata	NN
4520	36	18	.	.	.
4520	37	1	They	-PRON-	PRP
4520	37	2	are	be	VBP
4520	37	3	also	also	RB
4520	37	4	simpler	simple	JJR
4520	37	5	.	.	.
4520	38	1	The	the	DT
4520	38	2	alternative	alternative	NN
4520	38	3	is	be	VBZ
4520	38	4	heavyweight	heavyweight	JJ
4520	38	5	approaches	approach	NNS
4520	38	6	to	to	IN
4520	38	7	federated	federate	VBN
4520	38	8	search	search	NN
4520	38	9	,	,	,
4520	38	10	such	such	JJ
4520	38	11	as	as	IN
4520	38	12	using	use	VBG
4520	38	13	web	web	NN
4520	38	14	services	service	NNS
4520	38	15	or	or	CC
4520	38	16	service	service	NN
4520	38	17	-	-	HYPH
4520	38	18	oriented	orient	VBN
4520	38	19	architectures	architecture	NNS
4520	38	20	.	.	.
4520	39	1	There	there	EX
4520	39	2	have	have	VBP
4520	39	3	been	be	VBN
4520	39	4	significant	significant	JJ
4520	39	5	efforts	effort	NNS
4520	39	6	at	at	IN
4520	39	7	developing	develop	VBG
4520	39	8	lightweight	lightweight	JJ
4520	39	9	protocols	protocol	NNS
4520	39	10	for	for	IN
4520	39	11	search	search	NN
4520	39	12	,	,	,
4520	39	13	primary	primary	JJ
4520	39	14	among	among	IN
4520	39	15	which	which	WDT
4520	39	16	is	be	VBZ
4520	39	17	the	the	DT
4520	39	18	OpenSearch	OpenSearch	NNP
4520	39	19	protocol	protocol	NN
4520	39	20	developed	develop	VBN
4520	39	21	by	by	IN
4520	39	22	an	an	DT
4520	39	23	Amazon	Amazon	NNP
4520	39	24	subsidiary	subsidiary	NN
4520	39	25	.	.	.
4520	40	1	Other	other	JJ
4520	40	2	protocols	protocol	NNS
4520	40	3	and	and	CC
4520	40	4	services	service	NNS
4520	40	5	of	of	IN
4520	40	6	relevance	relevance	NN
4520	40	7	are	be	VBP
4520	40	8	SRU	SRU	NNP
4520	40	9	,	,	,
4520	40	10	MXG	MXG	NNP
4520	40	11	,	,	,
4520	40	12	and	and	CC
4520	40	13	the	the	DT
4520	40	14	OAI	OAI	NNP
4520	40	15	-	-	HYPH
4520	40	16	OMH	omh	NN
4520	40	17	interoperability	interoperability	NN
4520	40	18	framework	framework	NN
4520	40	19	.	.	.
4520	41	1	We	-PRON-	PRP
4520	41	2	describe	describe	VBP
4520	41	3	these	these	DT
4520	41	4	technologies	technology	NNS
4520	41	5	and	and	CC
4520	41	6	give	give	VB
4520	41	7	examples	example	NNS
4520	41	8	of	of	IN
4520	41	9	their	-PRON-	PRP$
4520	41	10	use	use	NN
4520	41	11	.	.	.
4520	42	1	Technologies	technology	NNS
4520	42	2	for	for	IN
4520	42	3	the	the	DT
4520	42	4	exchange	exchange	NN
4520	42	5	and	and	CC
4520	42	6	syndication	syndication	NN
4520	42	7	of	of	IN
4520	42	8	content	content	NN
4520	42	9	are	be	VBP
4520	42	10	often	often	RB
4520	42	11	used	use	VBN
4520	42	12	as	as	IN
4520	42	13	part	part	NN
4520	42	14	of	of	IN
4520	42	15	the	the	DT
4520	42	16	search	search	NN
4520	42	17	process	process	NN
4520	42	18	or	or	CC
4520	42	19	in	in	IN
4520	42	20	addition	addition	NN
4520	42	21	.	.	.
4520	43	1	We	-PRON-	PRP
4520	43	2	highlight	highlight	VBP
4520	43	3	key	key	JJ
4520	43	4	differences	difference	NNS
4520	43	5	between	between	IN
4520	43	6	protocols	protocol	NNS
4520	43	7	and	and	CC
4520	43	8	give	give	VB
4520	43	9	instances	instance	NNS
4520	43	10	where	where	WRB
4520	43	11	technologies	technology	NNS
4520	43	12	can	can	MD
4520	43	13	be	be	VB
4520	43	14	used	use	VBN
4520	43	15	in	in	IN
4520	43	16	tandem	tandem	NN
4520	43	17	.	.	.
4520	44	1	INFORMATION	INFORMATION	NNP
4520	44	2	TECHNOLOGY	technology	NN
4520	44	3	AND	and	CC
4520	44	4	LIBRARIES	library	NNS
4520	44	5	|	|	NNP
4520	44	6	JUNE	JUNE	NNP
4520	44	7	2014	2014	CD
4520	44	8	47	47	CD
4520	44	9	This	this	DT
4520	44	10	paper	paper	NN
4520	44	11	is	be	VBZ
4520	44	12	structured	structure	VBN
4520	44	13	as	as	IN
4520	44	14	follows	follow	VBZ
4520	44	15	.	.	.
4520	45	1	The	the	DT
4520	45	2	next	next	JJ
4520	45	3	section	section	NN
4520	45	4	describes	describe	VBZ
4520	45	5	the	the	DT
4520	45	6	open	open	JJ
4520	45	7	search	search	NN
4520	45	8	environment	environment	NN
4520	45	9	and	and	CC
4520	45	10	the	the	DT
4520	45	11	technologies	technology	NNS
4520	45	12	contained	contain	VBD
4520	45	13	therein	therein	RB
4520	45	14	.	.	.
4520	46	1	The	the	DT
4520	46	2	following	following	JJ
4520	46	3	section	section	NN
4520	46	4	describes	describe	VBZ
4520	46	5	open	open	JJ
4520	46	6	search	search	NN
4520	46	7	protocols	protocol	NNS
4520	46	8	in	in	IN
4520	46	9	detail	detail	NN
4520	46	10	,	,	,
4520	46	11	giving	give	VBG
4520	46	12	examples	example	NNS
4520	46	13	.	.	.
4520	47	1	Finally	finally	RB
4520	47	2	,	,	,
4520	47	3	summary	summary	NN
4520	47	4	conclusions	conclusion	NNS
4520	47	5	are	be	VBP
4520	47	6	presented	present	VBN
4520	47	7	.	.	.
4520	48	1	AN	an	DT
4520	48	2	OPEN	open	JJ
4520	48	3	SEARCH	SEARCH	NNS
4520	48	4	ENVIRONMENT	environment	NN
4520	48	5	A	a	DT
4520	48	6	search	search	NN
4520	48	7	environment	environment	NN
4520	48	8	(	(	-LRB-
4520	48	9	or	or	CC
4520	48	10	ecosystem	ecosystem	NNP
4520	48	11	)	)	-RRB-
4520	48	12	consists	consist	VBZ
4520	48	13	of	of	IN
4520	48	14	a	a	DT
4520	48	15	software	software	NN
4520	48	16	infrastructure	infrastructure	NN
4520	48	17	and	and	CC
4520	48	18	participants	participant	NNS
4520	48	19	.	.	.
4520	49	1	The	the	DT
4520	49	2	users	user	NNS
4520	49	3	of	of	IN
4520	49	4	search	search	NN
4520	49	5	services	service	NNS
4520	49	6	and	and	CC
4520	49	7	the	the	DT
4520	49	8	content	content	NN
4520	49	9	providers	provider	NNS
4520	49	10	and	and	CC
4520	49	11	publishers	publisher	NNS
4520	49	12	are	be	VBP
4520	49	13	the	the	DT
4520	49	14	main	main	JJ
4520	49	15	participants	participant	NNS
4520	49	16	.	.	.
4520	50	1	The	the	DT
4520	50	2	systems	system	NNS
4520	50	3	infrastructure	infrastructure	NN
4520	50	4	consists	consist	VBZ
4520	50	5	of	of	IN
4520	50	6	the	the	DT
4520	50	7	websites	website	NNS
4520	50	8	and	and	CC
4520	50	9	applications	application	NNS
4520	50	10	that	that	IN
4520	50	11	both	both	DT
4520	50	12	publish	publish	JJ
4520	50	13	resources	resource	NNS
4520	50	14	and	and	CC
4520	50	15	present	present	VB
4520	50	16	a	a	DT
4520	50	17	search	search	NN
4520	50	18	interface	interface	NN
4520	50	19	for	for	IN
4520	50	20	the	the	DT
4520	50	21	user	user	NN
4520	50	22	,	,	,
4520	50	23	and	and	CC
4520	50	24	the	the	DT
4520	50	25	technologies	technology	NNS
4520	50	26	that	that	WDT
4520	50	27	enable	enable	VBP
4520	50	28	search	search	NN
4520	50	29	.	.	.
4520	51	1	Technologies	technology	NNS
4520	51	2	include	include	VBP
4520	51	3	publishing	publishing	NN
4520	51	4	standards	standard	NNS
4520	51	5	for	for	IN
4520	51	6	archiving	archive	VBG
4520	51	7	and	and	CC
4520	51	8	syndicating	syndicate	VBG
4520	51	9	content	content	NN
4520	51	10	,	,	,
4520	51	11	the	the	DT
4520	51	12	search	search	NN
4520	51	13	engines	engine	NNS
4520	51	14	and	and	CC
4520	51	15	web	web	NN
4520	51	16	crawlers	crawler	NNS
4520	51	17	,	,	,
4520	51	18	the	the	DT
4520	51	19	search	search	NN
4520	51	20	interface	interface	NN
4520	51	21	(	(	-LRB-
4520	51	22	and	and	CC
4520	51	23	query	query	NN
4520	51	24	languages	language	NNS
4520	51	25	)	)	-RRB-
4520	51	26	,	,	,
4520	51	27	and	and	CC
4520	51	28	the	the	DT
4520	51	29	protocols	protocol	NNS
4520	51	30	or	or	CC
4520	51	31	glue	glue	NN
4520	51	32	for	for	IN
4520	51	33	interoperability	interoperability	NN
4520	51	34	.	.	.
4520	52	1	Baeza	Baeza	NNP
4520	52	2	-	-	HYPH
4520	52	3	Yates	Yates	NNPS
4520	52	4	and	and	CC
4520	52	5	Raghavan	Raghavan	NNP
4520	52	6	present	present	VBP
4520	52	7	their	-PRON-	PRP$
4520	52	8	vision	vision	NN
4520	52	9	of	of	IN
4520	52	10	next	next	JJ
4520	52	11	-	-	HYPH
4520	52	12	generation	generation	NN
4520	52	13	web	web	NN
4520	52	14	search	search	NN
4520	52	15	highlighting	highlight	VBG
4520	52	16	how	how	WRB
4520	52	17	developments	development	NNS
4520	52	18	in	in	IN
4520	52	19	the	the	DT
4520	52	20	web	web	NN
4520	52	21	environment	environment	NN
4520	52	22	and	and	CC
4520	52	23	search	search	NN
4520	52	24	technology	technology	NN
4520	52	25	are	be	VBP
4520	52	26	shaping	shape	VBG
4520	52	27	the	the	DT
4520	52	28	next	next	JJ
4520	52	29	generation	generation	NN
4520	52	30	search	search	NN
4520	52	31	environment.6	environment.6	NFP
4520	52	32	Open	open	JJ
4520	52	33	-	-	HYPH
4520	52	34	source	source	NN
4520	52	35	libraries	library	NNS
4520	52	36	for	for	IN
4520	52	37	the	the	DT
4520	52	38	indexing	indexing	NN
4520	52	39	and	and	CC
4520	52	40	retrieval	retrieval	NN
4520	52	41	of	of	IN
4520	52	42	document	document	NN
4520	52	43	collections	collection	NNS
4520	52	44	and	and	CC
4520	52	45	the	the	DT
4520	52	46	creation	creation	NN
4520	52	47	of	of	IN
4520	52	48	search	search	NN
4520	52	49	engines	engine	NNS
4520	52	50	include	include	VBP
4520	52	51	the	the	DT
4520	52	52	Lemur	Lemur	NNP
4520	52	53	project	project	NN
4520	52	54	(	(	-LRB-
4520	52	55	and	and	CC
4520	52	56	the	the	DT
4520	52	57	companion	companion	NN
4520	52	58	Indri	Indri	NNP
4520	52	59	search	search	NN
4520	52	60	engine),7	engine),7	NN
4520	52	61	Xapian,8	Xapian,8	NNP
4520	52	62	Sphinx,9	Sphinx,9	NNP
4520	52	63	and	and	CC
4520	52	64	Lucene	Lucene	NNP
4520	52	65	(	(	-LRB-
4520	52	66	and	and	CC
4520	52	67	the	the	DT
4520	52	68	associated	associated	JJ
4520	52	69	Nutch	Nutch	NNP
4520	52	70	Web	Web	NNP
4520	52	71	crawler).10	crawler).10	NN
4520	52	72	All	all	DT
4520	52	73	of	of	IN
4520	52	74	these	these	DT
4520	52	75	systems	system	NNS
4520	52	76	support	support	NN
4520	52	77	web	web	NN
4520	52	78	information	information	NN
4520	52	79	retrieval	retrieval	NN
4520	52	80	and	and	CC
4520	52	81	common	common	JJ
4520	52	82	formats	format	NNS
4520	52	83	.	.	.
4520	53	1	From	from	IN
4520	53	2	a	a	DT
4520	53	3	developer	developer	NN
4520	53	4	perspective	perspective	NN
4520	53	5	they	-PRON-	PRP
4520	53	6	are	be	VBP
4520	53	7	all	all	RB
4520	53	8	cross-	cross-	JJ
4520	53	9	platform	platform	NN
4520	53	10	;	;	:
4520	53	11	Lemur	Lemur	NNP
4520	53	12	/	/	SYM
4520	53	13	Indri	Indri	NNP
4520	53	14	,	,	,
4520	53	15	Xapian	Xapian	NNP
4520	53	16	,	,	,
4520	53	17	and	and	CC
4520	53	18	Sphinx	Sphinx	NNP
4520	53	19	are	be	VBP
4520	53	20	in	in	IN
4520	53	21	C	C	NNP
4520	53	22	and	and	CC
4520	53	23	C++	C++	NNP
4520	53	24	whereas	whereas	IN
4520	53	25	Lucene	Lucene	NNP
4520	53	26	/	/	SYM
4520	53	27	Nutch	Nutch	NNP
4520	53	28	is	be	VBZ
4520	53	29	in	in	IN
4520	53	30	Java	Java	NNP
4520	53	31	.	.	.
4520	54	1	Xapian	Xapian	NNP
4520	54	2	has	have	VBZ
4520	54	3	language	language	NN
4520	54	4	bindings	binding	NNS
4520	54	5	for	for	IN
4520	54	6	other	other	JJ
4520	54	7	programming	programming	NN
4520	54	8	languages	language	NNS
4520	54	9	such	such	JJ
4520	54	10	as	as	IN
4520	54	11	Python	Python	NNP
4520	54	12	.	.	.
4520	55	1	The	the	DT
4520	55	2	robustness	robustness	NN
4520	55	3	and	and	CC
4520	55	4	scalability	scalability	NN
4520	55	5	of	of	IN
4520	55	6	these	these	DT
4520	55	7	libraries	library	NNS
4520	55	8	support	support	VBP
4520	55	9	large	large	JJ
4520	55	10	-	-	HYPH
4520	55	11	scale	scale	NN
4520	55	12	deployment	deployment	NN
4520	55	13	,	,	,
4520	55	14	for	for	IN
4520	55	15	example	example	NN
4520	55	16	the	the	DT
4520	55	17	following	follow	VBG
4520	55	18	large	large	JJ
4520	55	19	websites	website	NNS
4520	55	20	use	use	VBP
4520	55	21	Xapian	xapian	JJ
4520	55	22	:	:	:
4520	55	23	Citebase	citebase	NN
4520	55	24	,	,	,
4520	55	25	Die	die	VB
4520	55	26	Zeit	Zeit	NNP
4520	55	27	(	(	-LRB-
4520	55	28	German	german	JJ
4520	55	29	newspaper	newspaper	NN
4520	55	30	)	)	-RRB-
4520	55	31	,	,	,
4520	55	32	and	and	CC
4520	55	33	Debian	Debian	NNP
4520	55	34	(	(	-LRB-
4520	55	35	Linux	Linux	NNP
4520	55	36	distribution).11	distribution).11	NN
4520	55	37	Middleton	Middleton	NNP
4520	55	38	and	and	CC
4520	55	39	Baeza	Baeza	NNP
4520	55	40	-	-	HYPH
4520	55	41	Yates	Yates	NNPS
4520	55	42	present	present	VBP
4520	55	43	a	a	DT
4520	55	44	more	more	RBR
4520	55	45	detailed	detailed	JJ
4520	55	46	comparison	comparison	NN
4520	55	47	of	of	IN
4520	55	48	open	open	JJ
4520	55	49	-	-	HYPH
4520	55	50	source	source	NN
4520	55	51	search	search	NN
4520	55	52	engines.12	engines.12	NNP
4520	55	53	They	-PRON-	PRP
4520	55	54	compare	compare	VBP
4520	55	55	twelve	twelve	CD
4520	55	56	open	open	JJ
4520	55	57	-	-	HYPH
4520	55	58	source	source	NN
4520	55	59	search	search	NN
4520	55	60	engines	engine	NNS
4520	55	61	including	include	VBG
4520	55	62	Indri	Indri	NNP
4520	55	63	and	and	CC
4520	55	64	Lucene	Lucene	NNP
4520	55	65	mentioned	mention	VBD
4520	55	66	above	above	RB
4520	55	67	across	across	IN
4520	55	68	thirteen	thirteen	CD
4520	55	69	dimensions	dimension	NNS
4520	55	70	.	.	.
4520	56	1	Features	feature	NNS
4520	56	2	include	include	VBP
4520	56	3	license	license	NN
4520	56	4	,	,	,
4520	56	5	storage	storage	NN
4520	56	6	,	,	,
4520	56	7	indexing	indexing	NN
4520	56	8	,	,	,
4520	56	9	query	query	NN
4520	56	10	preprocessing	preprocessing	NN
4520	56	11	(	(	-LRB-
4520	56	12	stemming	stem	VBG
4520	56	13	,	,	,
4520	56	14	stop	stop	VB
4520	56	15	-	-	HYPH
4520	56	16	word	word	NN
4520	56	17	removal	removal	NN
4520	56	18	)	)	-RRB-
4520	56	19	,	,	,
4520	56	20	results	result	NNS
4520	56	21	format	format	NN
4520	56	22	,	,	,
4520	56	23	and	and	CC
4520	56	24	ranking	ranking	NN
4520	56	25	.	.	.
4520	57	1	Apache	Apache	NNP
4520	57	2	Solr	Solr	NNP
4520	57	3	is	be	VBZ
4520	57	4	a	a	DT
4520	57	5	popular	popular	JJ
4520	57	6	open	open	JJ
4520	57	7	-	-	HYPH
4520	57	8	source	source	NN
4520	57	9	search	search	NN
4520	57	10	platform	platform	NN
4520	57	11	that	that	WDT
4520	57	12	additionally	additionally	RB
4520	57	13	supports	support	VBZ
4520	57	14	features	feature	NNS
4520	57	15	such	such	JJ
4520	57	16	as	as	IN
4520	57	17	database	database	NN
4520	57	18	integration	integration	NN
4520	57	19	,	,	,
4520	57	20	real	real	JJ
4520	57	21	-	-	HYPH
4520	57	22	time	time	NN
4520	57	23	indexing	indexing	NN
4520	57	24	,	,	,
4520	57	25	faceted	facete	VBN
4520	57	26	search	search	NN
4520	57	27	,	,	,
4520	57	28	and	and	CC
4520	57	29	clustering.13	clustering.13	NNP
4520	57	30	Solr	Solr	NNP
4520	57	31	uses	use	VBZ
4520	57	32	the	the	DT
4520	57	33	Lucene	Lucene	NNP
4520	57	34	search	search	NN
4520	57	35	library	library	NN
4520	57	36	for	for	IN
4520	57	37	the	the	DT
4520	57	38	core	core	NNP
4520	57	39	information	information	NN
4520	57	40	retrieval	retrieval	NNP
4520	57	41	.	.	.
4520	58	1	Solr	Solr	NNP
4520	58	2	’s	’s	POS
4520	58	3	rich	rich	JJ
4520	58	4	functionality	functionality	NN
4520	58	5	and	and	CC
4520	58	6	the	the	DT
4520	58	7	provision	provision	NN
4520	58	8	of	of	IN
4520	58	9	RESTful	restful	JJ
4520	58	10	HTTP	HTTP	NNP
4520	58	11	/	/	SYM
4520	58	12	XML	xml	NN
4520	58	13	and	and	CC
4520	58	14	JSON	JSON	NNP
4520	58	15	APIs	api	NNS
4520	58	16	makes	make	VBZ
4520	58	17	it	-PRON-	PRP
4520	58	18	an	an	DT
4520	58	19	attractive	attractive	JJ
4520	58	20	option	option	NN
4520	58	21	for	for	IN
4520	58	22	open	open	JJ
4520	58	23	information	information	NN
4520	58	24	integration	integration	NN
4520	58	25	projects	project	NNS
4520	58	26	.	.	.
4520	59	1	In	in	IN
4520	59	2	a	a	DT
4520	59	3	libraries	library	NNS
4520	59	4	context	context	NN
4520	59	5	Singer	Singer	NNP
4520	59	6	cites	cite	VBZ
4520	59	7	Solr	Solr	NNP
4520	59	8	as	as	IN
4520	59	9	an	an	DT
4520	59	10	open	open	JJ
4520	59	11	-	-	HYPH
4520	59	12	source	source	NN
4520	59	13	alternative	alternative	NN
4520	59	14	for	for	IN
4520	59	15	next	next	JJ
4520	59	16	-	-	HYPH
4520	59	17	generation	generation	NN
4520	59	18	OPAC	OPAC	NNP
4520	59	19	replacements.14	replacements.14	NNP
4520	59	20	Solr	Solr	NNP
4520	59	21	is	be	VBZ
4520	59	22	employed	employ	VBN
4520	59	23	,	,	,
4520	59	24	for	for	IN
4520	59	25	example	example	NN
4520	59	26	,	,	,
4520	59	27	in	in	IN
4520	59	28	the	the	DT
4520	59	29	large	large	JJ
4520	59	30	-	-	HYPH
4520	59	31	scale	scale	NN
4520	59	32	Europeana	Europeana	NNP
4520	59	33	project.15	project.15	NNP
4520	59	34	The	the	DT
4520	59	35	focus	focus	NN
4520	59	36	of	of	IN
4520	59	37	much	much	JJ
4520	59	38	of	of	IN
4520	59	39	this	this	DT
4520	59	40	paper	paper	NN
4520	59	41	is	be	VBZ
4520	59	42	on	on	IN
4520	59	43	the	the	DT
4520	59	44	lightweight	lightweight	JJ
4520	59	45	open	open	JJ
4520	59	46	protocols	protocol	NNS
4520	59	47	and	and	CC
4520	59	48	interoperability	interoperability	NN
4520	59	49	solutions	solution	NNS
4520	59	50	that	that	WDT
4520	59	51	allow	allow	VBP
4520	59	52	application	application	NN
4520	59	53	developers	developer	NNS
4520	59	54	to	to	TO
4520	59	55	harvest	harvest	VB
4520	59	56	and	and	CC
4520	59	57	search	search	VB
4520	59	58	content	content	NN
4520	59	59	across	across	IN
4520	59	60	a	a	DT
4520	59	61	range	range	NN
4520	59	62	of	of	IN
4520	59	63	locations	location	NNS
4520	59	64	and	and	CC
4520	59	65	formats	format	NNS
4520	59	66	.	.	.
4520	60	1	In	in	IN
4520	60	2	contrast	contrast	NN
4520	60	3	,	,	,
4520	60	4	the	the	DT
4520	60	5	DelosDLMS	delosdlms	CD
4520	60	6	digital	digital	JJ
4520	60	7	library	library	NN
4520	60	8	framework	framework	NN
4520	60	9	exemplifies	exemplify	VBZ
4520	60	10	a	a	DT
4520	60	11	heavyweight	heavyweight	JJ
4520	60	12	approach	approach	NN
4520	60	13	to	to	IN
4520	60	14	integation.16	integation.16	NNP
4520	60	15	In	in	IN
4520	60	16	DelosDLMS	delosdlms	CD
4520	60	17	,	,	,
4520	60	18	services	service	NNS
4520	60	19	are	be	VBP
4520	60	20	either	either	CC
4520	60	21	loosely	loosely	RB
4520	60	22	or	or	CC
4520	60	23	tightly	tightly	RB
4520	60	24	coupled	couple	VBN
4520	60	25	in	in	IN
4520	60	26	a	a	DT
4520	60	27	service-	service-	JJ
4520	60	28	oriented	orient	VBN
4520	60	29	architecture	architecture	NN
4520	60	30	using	use	VBG
4520	60	31	web	web	NN
4520	60	32	service	service	NN
4520	60	33	middleware	middleware	NN
4520	60	34	.	.	.
4520	61	1	OPEN	open	JJ
4520	61	2	SEARCH	search	NN
4520	61	3	ENVIRONMENTS	environment	NNS
4520	61	4	:	:	:
4520	61	5	THE	the	DT
4520	61	6	FREE	free	JJ
4520	61	7	ALTERNATIVE	alternative	NN
4520	61	8	TO	to	IN
4520	61	9	COMMERCIAL	commercial	JJ
4520	61	10	SEARCH	SEARCH	NNP
4520	61	11	SERVICES	SERVICES	NNP
4520	61	12	|	|	CD
4520	61	13	O’RIORDAN	O’RIORDAN	NNP
4520	61	14	48	48	CD
4520	61	15	Particular	particular	JJ
4520	61	16	issues	issue	NNS
4520	61	17	for	for	IN
4520	61	18	open	open	JJ
4520	61	19	search	search	NN
4520	61	20	are	be	VBP
4520	61	21	the	the	DT
4520	61	22	location	location	NN
4520	61	23	and	and	CC
4520	61	24	collection	collection	NN
4520	61	25	of	of	IN
4520	61	26	metadata	metadata	NN
4520	61	27	for	for	IN
4520	61	28	searchable	searchable	JJ
4520	61	29	resources	resource	NNS
4520	61	30	and	and	CC
4520	61	31	the	the	DT
4520	61	32	creation	creation	NN
4520	61	33	of	of	IN
4520	61	34	applications	application	NNS
4520	61	35	offering	offering	NN
4520	61	36	search	search	NN
4520	61	37	functionality	functionality	NN
4520	61	38	.	.	.
4520	62	1	Principal	principal	NN
4520	62	2	among	among	IN
4520	62	3	these	these	DT
4520	62	4	technological	technological	JJ
4520	62	5	solutions	solution	NNS
4520	62	6	are	be	VBP
4520	62	7	the	the	DT
4520	62	8	OpenSearch	OpenSearch	NNP
4520	62	9	and	and	CC
4520	62	10	SRU	SRU	NNP
4520	62	11	protocols	protocol	NNS
4520	62	12	.	.	.
4520	63	1	Both	both	DT
4520	63	2	implement	implement	VB
4520	63	3	what	what	WP
4520	63	4	Alipour-	Alipour-	NNP
4520	63	5	Hafezi	Hafezi	NNP
4520	63	6	et	et	FW
4520	63	7	al	al	NNP
4520	63	8	.	.	.
4520	64	1	term	term	VB
4520	64	2	a	a	DT
4520	64	3	federated	federate	VBN
4520	64	4	model	model	NN
4520	64	5	in	in	IN
4520	64	6	the	the	DT
4520	64	7	context	context	NN
4520	64	8	of	of	IN
4520	64	9	search	search	NN
4520	64	10	interoperability	interoperability	NN
4520	64	11	,	,	,
4520	64	12	wherein	wherein	WRB
4520	64	13	providers	provider	NNS
4520	64	14	agree	agree	VBP
4520	64	15	that	that	IN
4520	64	16	their	-PRON-	PRP$
4520	64	17	services	service	NNS
4520	64	18	will	will	MD
4520	64	19	conform	conform	VB
4520	64	20	to	to	IN
4520	64	21	certain	certain	JJ
4520	64	22	standard	standard	JJ
4520	64	23	specifications.17	specifications.17	NNP
4520	64	24	The	the	DT
4520	64	25	costs	cost	NNS
4520	64	26	and	and	CC
4520	64	27	adoption	adoption	NN
4520	64	28	risk	risk	NN
4520	64	29	of	of	IN
4520	64	30	this	this	DT
4520	64	31	approach	approach	NN
4520	64	32	are	be	VBP
4520	64	33	low	low	JJ
4520	64	34	.	.	.
4520	65	1	Technologies	technology	NNS
4520	65	2	such	such	JJ
4520	65	3	as	as	IN
4520	65	4	OpenSearch	OpenSearch	NNP
4520	65	5	occupy	occupy	VBP
4520	65	6	an	an	DT
4520	65	7	abstraction	abstraction	NN
4520	65	8	layer	layer	NN
4520	65	9	above	above	IN
4520	65	10	existing	exist	VBG
4520	65	11	search	search	NN
4520	65	12	infrastructure	infrastructure	NN
4520	65	13	such	such	JJ
4520	65	14	as	as	IN
4520	65	15	Solr	Solr	NNP
4520	65	16	.	.	.
4520	66	1	Interoperability	Interoperability	NNP
4520	66	2	Interoperability	Interoperability	NNP
4520	66	3	is	be	VBZ
4520	66	4	an	an	DT
4520	66	5	active	active	JJ
4520	66	6	area	area	NN
4520	66	7	of	of	IN
4520	66	8	work	work	NN
4520	66	9	in	in	IN
4520	66	10	both	both	PDT
4520	66	11	the	the	DT
4520	66	12	search	search	NN
4520	66	13	and	and	CC
4520	66	14	digital	digital	JJ
4520	66	15	library	library	NN
4520	66	16	fields	field	NNS
4520	66	17	.	.	.
4520	67	1	Interoperability	interoperability	NN
4520	67	2	is	be	VBZ
4520	67	3	“	"	``
4520	67	4	the	the	DT
4520	67	5	ability	ability	NN
4520	67	6	of	of	IN
4520	67	7	two	two	CD
4520	67	8	or	or	CC
4520	67	9	more	more	JJR
4520	67	10	systems	system	NNS
4520	67	11	or	or	CC
4520	67	12	components	component	NNS
4520	67	13	to	to	TO
4520	67	14	exchange	exchange	VB
4520	67	15	information	information	NN
4520	67	16	and	and	CC
4520	67	17	to	to	TO
4520	67	18	use	use	VB
4520	67	19	the	the	DT
4520	67	20	information	information	NN
4520	67	21	that	that	WDT
4520	67	22	has	have	VBZ
4520	67	23	been	be	VBN
4520	67	24	exchanged	exchange	VBN
4520	67	25	.	.	.
4520	67	26	”18	”18	CC
4520	67	27	Interoperability	Interoperability	NNP
4520	67	28	in	in	IN
4520	67	29	web	web	NN
4520	67	30	search	search	NN
4520	67	31	applies	apply	VBZ
4520	67	32	to	to	TO
4520	67	33	resource	resource	VB
4520	67	34	harvesting	harvesting	NN
4520	67	35	,	,	,
4520	67	36	meta	meta	JJ
4520	67	37	-	-	HYPH
4520	67	38	search	search	NN
4520	67	39	,	,	,
4520	67	40	and	and	CC
4520	67	41	to	to	TO
4520	67	42	allow	allow	VB
4520	67	43	search	search	NN
4520	67	44	functions	function	NNS
4520	67	45	interact	interact	VBP
4520	67	46	with	with	IN
4520	67	47	other	other	JJ
4520	67	48	system	system	NN
4520	67	49	elements	element	NNS
4520	67	50	.	.	.
4520	68	1	Interoperability	interoperability	NN
4520	68	2	in	in	IN
4520	68	3	digital	digital	JJ
4520	68	4	libraries	library	NNS
4520	68	5	is	be	VBZ
4520	68	6	a	a	DT
4520	68	7	well	well	RB
4520	68	8	-	-	HYPH
4520	68	9	established	establish	VBN
4520	68	10	research	research	NN
4520	68	11	agenda,19	agenda,19	NNP
4520	68	12	and	and	CC
4520	68	13	it	-PRON-	PRP
4520	68	14	has	have	VBZ
4520	68	15	been	be	VBN
4520	68	16	described	describe	VBN
4520	68	17	by	by	IN
4520	68	18	Paepcke	Paepcke	NNP
4520	68	19	et	et	NNP
4520	68	20	al	al	NNP
4520	68	21	.	.	.
4520	69	1	as	as	IN
4520	69	2	“	"	``
4520	69	3	one	one	CD
4520	69	4	of	of	IN
4520	69	5	the	the	DT
4520	69	6	most	most	RBS
4520	69	7	important	important	JJ
4520	69	8	problems	problem	NNS
4520	69	9	to	to	TO
4520	69	10	solve	solve	VB
4520	69	11	[	[	-LRB-
4520	69	12	in	in	IN
4520	69	13	DLs].”20	DLs].”20	NNP
4520	69	14	Issues	issue	NNS
4520	69	15	that	that	WDT
4520	69	16	are	be	VBP
4520	69	17	common	common	JJ
4520	69	18	to	to	IN
4520	69	19	both	both	DT
4520	69	20	web	web	NN
4520	69	21	search	search	NN
4520	69	22	and	and	CC
4520	69	23	digital	digital	JJ
4520	69	24	-	-	HYPH
4520	69	25	library	library	NN
4520	69	26	search	search	NN
4520	69	27	include	include	VBP
4520	69	28	metadata	metadata	NN
4520	69	29	incompatibilities	incompatibility	NNS
4520	69	30	,	,	,
4520	69	31	protocol	protocol	NN
4520	69	32	incompatibilities	incompatibility	NNS
4520	69	33	,	,	,
4520	69	34	and	and	CC
4520	69	35	record	record	NN
4520	69	36	duplication	duplication	NN
4520	69	37	and	and	CC
4520	69	38	near	near	JJ
4520	69	39	-	-	HYPH
4520	69	40	duplication	duplication	NN
4520	69	41	.	.	.
4520	70	1	In	in	IN
4520	70	2	this	this	DT
4520	70	3	paper	paper	NN
4520	70	4	,	,	,
4520	70	5	the	the	DT
4520	70	6	focus	focus	NN
4520	70	7	is	be	VBZ
4520	70	8	on	on	IN
4520	70	9	search	search	NN
4520	70	10	protocols	protocol	NNS
4520	70	11	;	;	:
4520	70	12	for	for	IN
4520	70	13	a	a	DT
4520	70	14	comprehensive	comprehensive	JJ
4520	70	15	survey	survey	NN
4520	70	16	of	of	IN
4520	70	17	technology	technology	NN
4520	70	18	for	for	IN
4520	70	19	semantic	semantic	JJ
4520	70	20	interoperability	interoperability	NN
4520	70	21	in	in	IN
4520	70	22	digital	digital	JJ
4520	70	23	library	library	NN
4520	70	24	systems	system	NNS
4520	70	25	,	,	,
4520	70	26	see	see	VB
4520	70	27	the	the	DT
4520	70	28	DELOS	DELOS	NNP
4520	70	29	report	report	NN
4520	70	30	on	on	IN
4520	70	31	same.21	same.21	NNP
4520	70	32	A	a	DT
4520	70	33	comprehensive	comprehensive	JJ
4520	70	34	survey	survey	NN
4520	70	35	of	of	IN
4520	70	36	methods	method	NNS
4520	70	37	and	and	CC
4520	70	38	technology	technology	NN
4520	70	39	for	for	IN
4520	70	40	digital	digital	JJ
4520	70	41	library	library	JJ
4520	70	42	interoperability	interoperability	NN
4520	70	43	is	be	VBZ
4520	70	44	provided	provide	VBN
4520	70	45	in	in	IN
4520	70	46	a	a	DT
4520	70	47	DL.org	dl.org	NN
4520	70	48	report.22	report.22	NNP
4520	70	49	Formats	Formats	NNP
4520	70	50	and	and	CC
4520	70	51	Metadata	Metadata	NNP
4520	70	52	Free	free	JJ
4520	70	53	and	and	CC
4520	70	54	open	open	JJ
4520	70	55	standard	standard	JJ
4520	70	56	formats	format	NNS
4520	70	57	are	be	VBP
4520	70	58	extensive	extensive	JJ
4520	70	59	in	in	IN
4520	70	60	web	web	NN
4520	70	61	technology	technology	NN
4520	70	62	.	.	.
4520	71	1	Standard	standard	JJ
4520	71	2	or	or	CC
4520	71	3	de	de	FW
4520	71	4	facto	facto	FW
4520	71	5	formats	format	NNS
4520	71	6	for	for	IN
4520	71	7	archiving	archive	VBG
4520	71	8	content	content	NN
4520	71	9	include	include	VBP
4520	71	10	Plain	Plain	NNP
4520	71	11	text	text	NN
4520	71	12	,	,	,
4520	71	13	Rich	Rich	NNP
4520	71	14	Text	Text	NNP
4520	71	15	Format	Format	NNP
4520	71	16	(	(	-LRB-
4520	71	17	RTF	RTF	NNP
4520	71	18	)	)	-RRB-
4520	71	19	,	,	,
4520	71	20	HTML	html	NN
4520	71	21	,	,	,
4520	71	22	PDF	PDF	NNP
4520	71	23	,	,	,
4520	71	24	and	and	CC
4520	71	25	various	various	JJ
4520	71	26	XML	xml	NN
4520	71	27	formats	format	NNS
4520	71	28	.	.	.
4520	72	1	Document	document	NN
4520	72	2	or	or	CC
4520	72	3	resource	resource	NN
4520	72	4	identification	identification	NN
4520	72	5	is	be	VBZ
4520	72	6	another	another	DT
4520	72	7	area	area	NN
4520	72	8	where	where	WRB
4520	72	9	there	there	EX
4520	72	10	has	have	VBZ
4520	72	11	been	be	VBN
4520	72	12	much	much	JJ
4520	72	13	agreement	agreement	NN
4520	72	14	.	.	.
4520	73	1	Resource	resource	NN
4520	73	2	identification	identification	NN
4520	73	3	schemes	scheme	NNS
4520	73	4	need	need	VBP
4520	73	5	to	to	TO
4520	73	6	be	be	VB
4520	73	7	globally	globally	RB
4520	73	8	unique	unique	JJ
4520	73	9	,	,	,
4520	73	10	persistent	persistent	JJ
4520	73	11	,	,	,
4520	73	12	efficient	efficient	JJ
4520	73	13	,	,	,
4520	73	14	and	and	CC
4520	73	15	extensible	extensible	JJ
4520	73	16	.	.	.
4520	74	1	Popular	popular	JJ
4520	74	2	schemes	scheme	NNS
4520	74	3	include	include	VBP
4520	74	4	URLs	url	NNS
4520	74	5	,	,	,
4520	74	6	Persistent	persistent	JJ
4520	74	7	URLs	url	NNS
4520	74	8	(	(	-LRB-
4520	74	9	PURLs	PURLs	NNP
4520	74	10	)	)	-RRB-
4520	74	11	,	,	,
4520	74	12	the	the	DT
4520	74	13	Handle	Handle	NNP
4520	74	14	system	system	NN
4520	74	15	(	(	-LRB-
4520	74	16	handle.net	handle.net	NNP
4520	74	17	)	)	-RRB-
4520	74	18	,	,	,
4520	74	19	and	and	CC
4520	74	20	DOIs	doi	NNS
4520	74	21	(	(	-LRB-
4520	74	22	Digital	Digital	NNP
4520	74	23	Object	Object	NNP
4520	74	24	Identifiers	Identifiers	NNP
4520	74	25	)	)	-RRB-
4520	74	26	.	.	.
4520	75	1	Linking	link	VBG
4520	75	2	technologies	technology	NNS
4520	75	3	include	include	VBP
4520	75	4	OpenURL	OpenURL	``
4520	75	5	and	and	CC
4520	75	6	COinS.	COinS.	NNP
4520	76	1	OpenURL	OpenURL	``
4520	76	2	links	link	NNS
4520	76	3	sources	source	NNS
4520	76	4	to	to	IN
4520	76	5	targets	target	NNS
4520	76	6	using	use	VBG
4520	76	7	a	a	DT
4520	76	8	knowledge	knowledge	NN
4520	76	9	base	base	NN
4520	76	10	of	of	IN
4520	76	11	electronic	electronic	JJ
4520	76	12	resources	resource	NNS
4520	76	13	such	such	JJ
4520	76	14	as	as	IN
4520	76	15	digital	digital	NNP
4520	76	16	libraries.23	libraries.23	NNP
4520	76	17	ContextObjects	ContextObjects	NNP
4520	76	18	in	in	IN
4520	76	19	Spans	Spans	NNP
4520	76	20	(	(	-LRB-
4520	76	21	COinS	COinS	NNP
4520	76	22	)	)	-RRB-
4520	76	23	,	,	,
4520	76	24	as	as	IN
4520	76	25	used	use	VBN
4520	76	26	in	in	IN
4520	76	27	Wikipedia	Wikipedia	NNP
4520	76	28	for	for	IN
4520	76	29	example	example	NN
4520	76	30	,	,	,
4520	76	31	is	be	VBZ
4520	76	32	another	another	DT
4520	76	33	popular	popular	JJ
4520	76	34	linking	link	VBG
4520	76	35	technology.24	technology.24	NNP
4520	76	36	Applications	Applications	NNPS
4520	76	37	can	can	MD
4520	76	38	use	use	VB
4520	76	39	various	various	JJ
4520	76	40	formats	format	NNS
4520	76	41	for	for	IN
4520	76	42	transporting	transport	VBG
4520	76	43	and	and	CC
4520	76	44	syndicating	syndicate	VBG
4520	76	45	content	content	NN
4520	76	46	.	.	.
4520	77	1	Syndication	syndication	NN
4520	77	2	and	and	CC
4520	77	3	transport	transport	NN
4520	77	4	technologies	technology	NNS
4520	77	5	include	include	VBP
4520	77	6	XML	xml	NN
4520	77	7	,	,	,
4520	77	8	JSON	JSON	NNP
4520	77	9	,	,	,
4520	77	10	RSS	RSS	NNP
4520	77	11	/	/	SYM
4520	77	12	Atom	Atom	NNP
4520	77	13	,	,	,
4520	77	14	and	and	CC
4520	77	15	heavyweight	heavyweight	JJ
4520	77	16	web	web	NN
4520	77	17	service	service	NN
4520	77	18	-	-	HYPH
4520	77	19	based	base	VBN
4520	77	20	approaches	approach	NNS
4520	77	21	.	.	.
4520	78	1	Much	much	JJ
4520	78	2	of	of	IN
4520	78	3	the	the	DT
4520	78	4	metadata	metadata	NN
4520	78	5	employed	employ	VBN
4520	78	6	in	in	IN
4520	78	7	digital	digital	JJ
4520	78	8	libraries	library	NNS
4520	78	9	is	be	VBZ
4520	78	10	in	in	IN
4520	78	11	XML	xml	NN
4520	78	12	formats	format	NNS
4520	78	13	,	,	,
4520	78	14	for	for	IN
4520	78	15	example	example	NN
4520	78	16	in	in	IN
4520	78	17	MARCXML	marcxml	NN
4520	78	18	and	and	CC
4520	78	19	the	the	DT
4520	78	20	Metadata	Metadata	NNP
4520	78	21	Encoding	Encoding	NNP
4520	78	22	and	and	CC
4520	78	23	Transmission	Transmission	NNP
4520	78	24	Standard	Standard	NNP
4520	78	25	(	(	-LRB-
4520	78	26	METS	METS	NNP
4520	78	27	)	)	-RRB-
4520	78	28	.	.	.
4520	79	1	The	the	DT
4520	79	2	World	World	NNP
4520	79	3	Wide	Wide	NNP
4520	79	4	Web	Web	NNP
4520	79	5	Consortium	Consortium	NNP
4520	79	6	defined	define	VBN
4520	79	7	RDF	RDF	NNP
4520	79	8	(	(	-LRB-
4520	79	9	Resource	Resource	NNP
4520	79	10	Description	Description	NNP
4520	79	11	Framework	Framework	NNP
4520	79	12	)	)	-RRB-
4520	79	13	to	to	TO
4520	79	14	provide	provide	VB
4520	79	15	among	among	IN
4520	79	16	other	other	JJ
4520	79	17	goals	goal	NNS
4520	79	18	“	"	``
4520	79	19	a	a	DT
4520	79	20	mechanism	mechanism	NN
4520	79	21	for	for	IN
4520	79	22	integrating	integrate	VBG
4520	79	23	multiple	multiple	JJ
4520	79	24	metadata	metadata	NN
4520	79	25	schemes	scheme	NNS
4520	79	26	.	.	.
4520	79	27	”25	”25	JJ
4520	79	28	RDF	RDF	NNP
4520	79	29	records	record	NNS
4520	79	30	are	be	VBP
4520	79	31	defined	define	VBN
4520	79	32	in	in	IN
4520	79	33	an	an	DT
4520	79	34	XML	xml	NN
4520	79	35	namespace	namespace	NN
4520	79	36	.	.	.
4520	80	1	In	in	IN
4520	80	2	RDF	RDF	NNP
4520	80	3	,	,	,
4520	80	4	Subject	subject	JJ
4520	80	5	-	-	HYPH
4520	80	6	predicate	predicate	NN
4520	80	7	-	-	HYPH
4520	80	8	object	object	NN
4520	80	9	expressions	expression	NNS
4520	80	10	represent	represent	VBP
4520	80	11	web	web	NN
4520	80	12	INFORMATION	INFORMATION	NNP
4520	80	13	TECHNOLOGY	TECHNOLOGY	NNP
4520	80	14	AND	and	CC
4520	80	15	LIBRARIES	LIBRARIES	NNP
4520	80	16	|	|	NNP
4520	80	17	JUNE	JUNE	NNP
4520	80	18	2014	2014	CD
4520	80	19	49	49	CD
4520	80	20	resources	resource	NNS
4520	80	21	and	and	CC
4520	80	22	typically	typically	RB
4520	80	23	identified	identify	VBN
4520	80	24	by	by	IN
4520	80	25	means	mean	NNS
4520	80	26	of	of	IN
4520	80	27	an	an	DT
4520	80	28	URI	URI	NNP
4520	80	29	(	(	-LRB-
4520	80	30	Universal	Universal	NNP
4520	80	31	Resource	Resource	NNP
4520	80	32	Identifier	Identifier	NNP
4520	80	33	)	)	-RRB-
4520	80	34	.	.	.
4520	81	1	JSON	JSON	NNP
4520	81	2	(	(	-LRB-
4520	81	3	JavaScript	JavaScript	NNP
4520	81	4	Object	Object	NNP
4520	81	5	Notation	Notation	NNP
4520	81	6	)	)	-RRB-
4520	81	7	is	be	VBZ
4520	81	8	a	a	DT
4520	81	9	lightweight	lightweight	JJ
4520	81	10	data	data	NN
4520	81	11	-	-	HYPH
4520	81	12	interchange	interchange	JJ
4520	81	13	format	format	NN
4520	81	14	that	that	WDT
4520	81	15	has	have	VBZ
4520	81	16	become	become	VBN
4520	81	17	popular	popular	JJ
4520	81	18	in	in	IN
4520	81	19	Web	web	NN
4520	81	20	-	-	HYPH
4520	81	21	based	base	VBN
4520	81	22	applications	application	NNS
4520	81	23	and	and	CC
4520	81	24	is	be	VBZ
4520	81	25	seeing	see	VBG
4520	81	26	increasing	increase	VBG
4520	81	27	support	support	NN
4520	81	28	in	in	IN
4520	81	29	digital	digital	JJ
4520	81	30	library	library	NN
4520	81	31	systems.26	systems.26	NNP
4520	81	32	Harvesting	Harvesting	NNP
4520	81	33	Web	web	NN
4520	81	34	content	content	NN
4520	81	35	is	be	VBZ
4520	81	36	harvested	harvest	VBN
4520	81	37	using	use	VBG
4520	81	38	software	software	NN
4520	81	39	called	call	VBN
4520	81	40	web	web	NN
4520	81	41	crawlers	crawler	NNS
4520	81	42	(	(	-LRB-
4520	81	43	or	or	CC
4520	81	44	web	web	NN
4520	81	45	spiders	spider	NNS
4520	81	46	)	)	-RRB-
4520	81	47	.	.	.
4520	82	1	A	a	DT
4520	82	2	crawler	crawler	NN
4520	82	3	is	be	VBZ
4520	82	4	an	an	DT
4520	82	5	instance	instance	NN
4520	82	6	of	of	IN
4520	82	7	a	a	DT
4520	82	8	software	software	NN
4520	82	9	application	application	NN
4520	82	10	that	that	WDT
4520	82	11	runs	run	VBZ
4520	82	12	automated	automate	VBD
4520	82	13	tasks	task	NNS
4520	82	14	on	on	IN
4520	82	15	the	the	DT
4520	82	16	web	web	NN
4520	82	17	.	.	.
4520	83	1	Specifically	specifically	RB
4520	83	2	the	the	DT
4520	83	3	crawler	crawler	NN
4520	83	4	follows	follow	VBZ
4520	83	5	web	web	NN
4520	83	6	links	link	NNS
4520	83	7	to	to	IN
4520	83	8	index	index	NN
4520	83	9	websites	website	NNS
4520	83	10	.	.	.
4520	84	1	There	there	EX
4520	84	2	was	be	VBD
4520	84	3	been	be	VBN
4520	84	4	little	little	JJ
4520	84	5	standardization	standardization	NN
4520	84	6	in	in	IN
4520	84	7	this	this	DT
4520	84	8	area	area	NN
4520	84	9	except	except	IN
4520	84	10	the	the	DT
4520	84	11	Robot	Robot	NNP
4520	84	12	Exclusion	Exclusion	NNP
4520	84	13	Standard	Standard	NNP
4520	84	14	and	and	CC
4520	84	15	use	use	NN
4520	84	16	of	of	IN
4520	84	17	various	various	JJ
4520	84	18	XHTML	XHTML	NNP
4520	84	19	meta	meta	JJ
4520	84	20	-	-	HYPH
4520	84	21	elements	element	NNS
4520	84	22	and	and	CC
4520	84	23	HTTP	http	JJ
4520	84	24	header	header	NN
4520	84	25	fields	field	NNS
4520	84	26	.	.	.
4520	85	1	There	there	EX
4520	85	2	is	be	VBZ
4520	85	3	a	a	DT
4520	85	4	lot	lot	NN
4520	85	5	of	of	IN
4520	85	6	variability	variability	NN
4520	85	7	in	in	IN
4520	85	8	terms	term	NNS
4520	85	9	of	of	IN
4520	85	10	the	the	DT
4520	85	11	policy	policy	NN
4520	85	12	for	for	IN
4520	85	13	the	the	DT
4520	85	14	selection	selection	NN
4520	85	15	of	of	IN
4520	85	16	content	content	NN
4520	85	17	sources	source	NNS
4520	85	18	,	,	,
4520	85	19	policy	policy	NN
4520	85	20	for	for	IN
4520	85	21	following	follow	VBG
4520	85	22	links	link	NNS
4520	85	23	,	,	,
4520	85	24	URL	url	NN
4520	85	25	normalization	normalization	NN
4520	85	26	,	,	,
4520	85	27	politeness	politeness	NN
4520	85	28	,	,	,
4520	85	29	depth	depth	NN
4520	85	30	of	of	IN
4520	85	31	crawl	crawl	NN
4520	85	32	,	,	,
4520	85	33	and	and	CC
4520	85	34	revisit	revisit	NN
4520	85	35	policy	policy	NN
4520	85	36	.	.	.
4520	86	1	Consequently	consequently	RB
4520	86	2	,	,	,
4520	86	3	there	there	EX
4520	86	4	are	be	VBP
4520	86	5	many	many	JJ
4520	86	6	web	web	NN
4520	86	7	crawling	crawl	VBG
4520	86	8	systems	system	NNS
4520	86	9	in	in	IN
4520	86	10	operation	operation	NN
4520	86	11	;	;	:
4520	86	12	open	open	JJ
4520	86	13	-	-	HYPH
4520	86	14	source	source	NN
4520	86	15	crawlers	crawler	NNS
4520	86	16	include	include	VBP
4520	86	17	DatapartSearch	DatapartSearch	NNP
4520	86	18	,	,	,
4520	86	19	Grub	Grub	NNP
4520	86	20	,	,	,
4520	86	21	Heritrix	Heritrix	NNP
4520	86	22	,	,	,
4520	86	23	and	and	CC
4520	86	24	the	the	DT
4520	86	25	aforementioned	aforementioned	JJ
4520	86	26	Nutch	Nutch	NNP
4520	86	27	.	.	.
4520	87	1	Harvesting	harvesting	NN
4520	87	2	and	and	CC
4520	87	3	syndication	syndication	NN
4520	87	4	of	of	IN
4520	87	5	metadata	metadata	NN
4520	87	6	from	from	IN
4520	87	7	open	open	JJ
4520	87	8	repositories	repository	NNS
4520	87	9	is	be	VBZ
4520	87	10	the	the	DT
4520	87	11	goal	goal	NN
4520	87	12	of	of	IN
4520	87	13	the	the	DT
4520	87	14	Open	Open	NNP
4520	87	15	Archives	Archives	NNP
4520	87	16	Initiative	Initiative	NNP
4520	87	17	Protocol	Protocol	NNP
4520	87	18	for	for	IN
4520	87	19	Metadata	Metadata	NNP
4520	87	20	Harvesting	Harvesting	NNP
4520	87	21	(	(	-LRB-
4520	87	22	OAI	OAI	NNP
4520	87	23	-	-	HYPH
4520	87	24	PMH	PMH	NNP
4520	87	25	)	)	-RRB-
4520	87	26	,	,	,
4520	87	27	originally	originally	RB
4520	87	28	developed	develop	VBN
4520	87	29	by	by	IN
4520	87	30	Los	Los	NNP
4520	87	31	Alamos	Alamos	NNP
4520	87	32	National	National	NNP
4520	87	33	Laboratory	Laboratory	NNP
4520	87	34	,	,	,
4520	87	35	Cornel	Cornel	NNP
4520	87	36	,	,	,
4520	87	37	and	and	CC
4520	87	38	NASA	NASA	NNP
4520	87	39	in	in	IN
4520	87	40	2000	2000	CD
4520	87	41	and	and	CC
4520	87	42	2001.27	2001.27	CD
4520	87	43	Resource	Resource	NNP
4520	87	44	harvesting	harvesting	NN
4520	87	45	challenges	challenge	NNS
4520	87	46	include	include	VBP
4520	87	47	scale	scale	NN
4520	87	48	,	,	,
4520	87	49	keeping	keep	VBG
4520	87	50	information	information	NN
4520	87	51	up	up	RB
4520	87	52	-	-	HYPH
4520	87	53	to	to	IN
4520	87	54	-	-	HYPH
4520	87	55	date	date	NN
4520	87	56	,	,	,
4520	87	57	robustness	robustness	NN
4520	87	58	,	,	,
4520	87	59	and	and	CC
4520	87	60	security	security	NN
4520	87	61	.	.	.
4520	88	1	OAI	OAI	NNP
4520	88	2	-	-	HYPH
4520	88	3	PMH	PMH	NNP
4520	88	4	has	have	VBZ
4520	88	5	been	be	VBN
4520	88	6	adopted	adopt	VBN
4520	88	7	by	by	IN
4520	88	8	many	many	JJ
4520	88	9	digital	digital	JJ
4520	88	10	libraries	library	NNS
4520	88	11	,	,	,
4520	88	12	museums	museum	NNS
4520	88	13	,	,	,
4520	88	14	archives	archive	NNS
4520	88	15	,	,	,
4520	88	16	and	and	CC
4520	88	17	publishers	publisher	NNS
4520	88	18	.	.	.
4520	89	1	The	the	DT
4520	89	2	latest	late	JJS
4520	89	3	version	version	NN
4520	89	4	,	,	,
4520	89	5	OAI	OAI	NNP
4520	89	6	-	-	HYPH
4520	89	7	PMH	PMH	NNP
4520	89	8	2.0	2.0	CD
4520	89	9	,	,	,
4520	89	10	was	be	VBD
4520	89	11	released	release	VBN
4520	89	12	in	in	IN
4520	89	13	2012	2012	CD
4520	89	14	.	.	.
4520	90	1	OAI	OAI	NNP
4520	90	2	-	-	HYPH
4520	90	3	PMH	PMH	NNP
4520	90	4	specifies	specify	VBZ
4520	90	5	a	a	DT
4520	90	6	general	general	JJ
4520	90	7	application	application	NN
4520	90	8	-	-	HYPH
4520	90	9	independent	independent	JJ
4520	90	10	model	model	NN
4520	90	11	of	of	IN
4520	90	12	network	network	NN
4520	90	13	-	-	HYPH
4520	90	14	accessible	accessible	JJ
4520	90	15	repository	repository	NN
4520	90	16	and	and	CC
4520	90	17	client	client	NN
4520	90	18	harvester	harvester	NN
4520	90	19	that	that	WDT
4520	90	20	issues	issue	VBZ
4520	90	21	requests	request	NNS
4520	90	22	using	use	VBG
4520	90	23	HTTP	HTTP	NNP
4520	90	24	(	(	-LRB-
4520	90	25	either	either	CC
4520	90	26	GET	GET	NNP
4520	90	27	or	or	CC
4520	90	28	POST	POST	NNP
4520	90	29	)	)	-RRB-
4520	90	30	.	.	.
4520	91	1	Metadata	Metadata	NNP
4520	91	2	is	be	VBZ
4520	91	3	expressed	express	VBN
4520	91	4	as	as	IN
4520	91	5	a	a	DT
4520	91	6	record	record	NN
4520	91	7	in	in	IN
4520	91	8	XML	xml	NN
4520	91	9	format	format	NN
4520	91	10	.	.	.
4520	92	1	An	an	DT
4520	92	2	OAI	OAI	NNP
4520	92	3	-	-	HYPH
4520	92	4	PHM	PHM	NNP
4520	92	5	implementation	implementation	NN
4520	92	6	must	must	MD
4520	92	7	support	support	VB
4520	92	8	Dublin	Dublin	NNP
4520	92	9	Core	Core	NNP
4520	92	10	,	,	,
4520	92	11	with	with	IN
4520	92	12	other	other	JJ
4520	92	13	vocabularies	vocabulary	NNS
4520	92	14	as	as	IN
4520	92	15	additions	addition	NNS
4520	92	16	.	.	.
4520	93	1	OAI	OAI	NNP
4520	93	2	-	-	HYPH
4520	93	3	PMH	PMH	NNP
4520	93	4	is	be	VBZ
4520	93	5	the	the	DT
4520	93	6	key	key	JJ
4520	93	7	technology	technology	NN
4520	93	8	in	in	IN
4520	93	9	the	the	DT
4520	93	10	harvesting	harvesting	NN
4520	93	11	model	model	NN
4520	93	12	of	of	IN
4520	93	13	digital	digital	JJ
4520	93	14	library	library	JJ
4520	93	15	interoperability	interoperability	NN
4520	93	16	described	describe	VBN
4520	93	17	by	by	IN
4520	93	18	Van	Van	NNP
4520	93	19	de	de	FW
4520	93	20	Sompel	Sompel	NNP
4520	93	21	et	et	NN
4520	93	22	al.28	al.28	NNP
4520	93	23	An	an	DT
4520	93	24	OAI	OAI	NNP
4520	93	25	-	-	HYPH
4520	93	26	PMH	PMH	NNP
4520	93	27	-	-	HYPH
4520	93	28	compliant	compliant	JJ
4520	93	29	system	system	NN
4520	93	30	consists	consist	VBZ
4520	93	31	of	of	IN
4520	93	32	harvester	harvester	NNP
4520	93	33	(	(	-LRB-
4520	93	34	client	client	NN
4520	93	35	)	)	-RRB-
4520	93	36	,	,	,
4520	93	37	repository	repository	NN
4520	93	38	(	(	-LRB-
4520	93	39	network	network	NN
4520	93	40	accessible	accessible	JJ
4520	93	41	server	server	NN
4520	93	42	)	)	-RRB-
4520	93	43	,	,	,
4520	93	44	and	and	CC
4520	93	45	items	item	NNS
4520	93	46	(	(	-LRB-
4520	93	47	constituents	constituent	NNS
4520	93	48	of	of	IN
4520	93	49	a	a	DT
4520	93	50	repository	repository	NN
4520	93	51	)	)	-RRB-
4520	93	52	.	.	.
4520	94	1	Portal	portal	JJ
4520	94	2	sites	site	NNS
4520	94	3	such	such	JJ
4520	94	4	as	as	IN
4520	94	5	Europeana	Europeana	NNP
4520	94	6	and	and	CC
4520	94	7	OAIster	OAIster	NNP
4520	94	8	use	use	VBP
4520	94	9	OAI	OAI	NNP
4520	94	10	-	-	HYPH
4520	94	11	PMH	PMH	NNP
4520	94	12	to	to	TO
4520	94	13	harvest	harvest	VB
4520	94	14	from	from	IN
4520	94	15	large	large	JJ
4520	94	16	numbers	number	NNS
4520	94	17	of	of	IN
4520	94	18	collections.29	collections.29	NNP
4520	94	19	There	there	EX
4520	94	20	are	be	VBP
4520	94	21	online	online	JJ
4520	94	22	registries	registry	NNS
4520	94	23	of	of	IN
4520	94	24	OAI	OAI	NNP
4520	94	25	-	-	HYPH
4520	94	26	compliant	compliant	JJ
4520	94	27	repositories	repository	NNS
4520	94	28	.	.	.
4520	95	1	The	the	DT
4520	95	2	European	European	NNP
4520	95	3	Commission	Commission	NNP
4520	95	4	’s	’s	POS
4520	95	5	Europeana	Europeana	NNP
4520	95	6	allow	allow	VBP
4520	95	7	users	user	NNS
4520	95	8	to	to	TO
4520	95	9	search	search	VB
4520	95	10	across	across	IN
4520	95	11	multiple	multiple	JJ
4520	95	12	image	image	NN
4520	95	13	collections	collection	NNS
4520	95	14	including	include	VBG
4520	95	15	the	the	DT
4520	95	16	British	British	NNP
4520	95	17	Library	Library	NNP
4520	95	18	and	and	CC
4520	95	19	the	the	DT
4520	95	20	Louvre	Louvre	NNP
4520	95	21	online	online	RB
4520	95	22	.	.	.
4520	96	1	Another	another	DT
4520	96	2	portal	portal	JJ
4520	96	3	site	site	NN
4520	96	4	that	that	WDT
4520	96	5	uses	use	VBZ
4520	96	6	OAI	OAI	NNP
4520	96	7	-	-	HYPH
4520	96	8	PMH	PMH	NNP
4520	96	9	is	be	VBZ
4520	96	10	CultureGrid	CultureGrid	NNP
4520	96	11	,	,	,
4520	96	12	operated	operate	VBN
4520	96	13	by	by	IN
4520	96	14	the	the	DT
4520	96	15	UK	UK	NNP
4520	96	16	Collections	Collections	NNPS
4520	96	17	Trust	Trust	NNP
4520	96	18	.	.	.
4520	97	1	CultureGrid	CultureGrid	NNP
4520	97	2	provides	provide	VBZ
4520	97	3	access	access	NN
4520	97	4	to	to	IN
4520	97	5	hundreds	hundred	NNS
4520	97	6	of	of	IN
4520	97	7	museum	museum	NN
4520	97	8	,	,	,
4520	97	9	galleries	gallery	NNS
4520	97	10	,	,	,
4520	97	11	libraries	library	NNS
4520	97	12	,	,	,
4520	97	13	and	and	CC
4520	97	14	archives	archive	NNS
4520	97	15	in	in	IN
4520	97	16	the	the	DT
4520	97	17	UK	UK	NNP
4520	97	18	.	.	.
4520	98	1	The	the	DT
4520	98	2	Apache	Apache	NNP
4520	98	3	Software	Software	NNP
4520	98	4	Foundation	Foundation	NNP
4520	98	5	has	have	VBZ
4520	98	6	developed	develop	VBN
4520	98	7	a	a	DT
4520	98	8	module	module	NN
4520	98	9	,	,	,
4520	98	10	mod_oai	mod_oai	FW
4520	98	11	,	,	,
4520	98	12	for	for	IN
4520	98	13	Apache	Apache	NNP
4520	98	14	Webservers	webserver	NNS
4520	98	15	that	that	WDT
4520	98	16	helps	help	VBZ
4520	98	17	crawlers	crawler	NNS
4520	98	18	to	to	TO
4520	98	19	discover	discover	VB
4520	98	20	content	content	NN
4520	98	21	.	.	.
4520	99	1	Syndication	Syndication	NNP
4520	99	2	and	and	CC
4520	99	3	Exchange	Exchange	NNP
4520	99	4	Here	here	RB
4520	99	5	we	-PRON-	PRP
4520	99	6	outline	outline	VBP
4520	99	7	lightweight	lightweight	JJ
4520	99	8	options	option	NNS
4520	99	9	for	for	IN
4520	99	10	syndication	syndication	NN
4520	99	11	and	and	CC
4520	99	12	information	information	NN
4520	99	13	exchange	exchange	NN
4520	99	14	.	.	.
4520	100	1	Heavyweight	heavyweight	JJ
4520	100	2	web	web	NN
4520	100	3	services	service	NNS
4520	100	4	-	-	HYPH
4520	100	5	based	base	VBN
4520	100	6	approaches	approach	NNS
4520	100	7	are	be	VBP
4520	100	8	outside	outside	IN
4520	100	9	the	the	DT
4520	100	10	scope	scope	NN
4520	100	11	of	of	IN
4520	100	12	this	this	DT
4520	100	13	article	article	NN
4520	100	14	.	.	.
4520	101	1	Web	web	NN
4520	101	2	syndication	syndication	NN
4520	101	3	commonly	commonly	RB
4520	101	4	uses	use	VBZ
4520	101	5	RSS	RSS	NNP
4520	101	6	(	(	-LRB-
4520	101	7	Really	really	RB
4520	101	8	Simple	Simple	NNP
4520	101	9	Syndication	Syndication	NNP
4520	101	10	)	)	-RRB-
4520	101	11	or	or	CC
4520	101	12	its	-PRON-	PRP$
4520	101	13	main	main	JJ
4520	101	14	alternative	alternative	NN
4520	101	15	,	,	,
4520	101	16	Atom	atom	NN
4520	101	17	.	.	.
4520	102	1	Atom	atom	NN
4520	102	2	is	be	VBZ
4520	102	3	a	a	DT
4520	102	4	proposed	proposed	JJ
4520	102	5	IETF	IETF	NNP
4520	102	6	standard.30	standard.30	NNP
4520	102	7	RSS	RSS	NNP
4520	102	8	2.0	2.0	CD
4520	102	9	is	be	VBZ
4520	102	10	the	the	DT
4520	102	11	latest	late	JJS
4520	102	12	version	version	NN
4520	102	13	in	in	IN
4520	102	14	the	the	DT
4520	102	15	RSS	RSS	NNP
4520	102	16	family	family	NN
4520	102	17	of	of	IN
4520	102	18	specifications	specification	NNS
4520	102	19	,	,	,
4520	102	20	a	a	DT
4520	102	21	simple	simple	NN
4520	102	22	yet	yet	CC
4520	102	23	highly	highly	RB
4520	102	24	extensible	extensible	JJ
4520	102	25	OPEN	open	JJ
4520	102	26	SEARCH	search	NN
4520	102	27	ENVIRONMENTS	environment	NNS
4520	102	28	:	:	:
4520	102	29	THE	the	DT
4520	102	30	FREE	free	JJ
4520	102	31	ALTERNATIVE	alternative	NN
4520	102	32	TO	to	IN
4520	102	33	COMMERCIAL	commercial	JJ
4520	102	34	SEARCH	SEARCH	NNP
4520	102	35	SERVICES	SERVICES	NNP
4520	102	36	|	|	CD
4520	102	37	O’RIORDAN	O’RIORDAN	NNP
4520	102	38	50	50	CD
4520	102	39	format	format	NN
4520	102	40	where	where	WRB
4520	102	41	content	content	NN
4520	102	42	items	item	NNS
4520	102	43	contain	contain	VBP
4520	102	44	plain	plain	JJ
4520	102	45	text	text	NN
4520	102	46	or	or	CC
4520	102	47	escaped	escape	VBD
4520	102	48	HTML.31	HTML.31	NNP
4520	102	49	Atom	Atom	NNP
4520	102	50	,	,	,
4520	102	51	developed	develop	VBD
4520	102	52	to	to	TO
4520	102	53	counter	counter	VB
4520	102	54	perceived	perceive	VBN
4520	102	55	deficiencies	deficiency	NNS
4520	102	56	in	in	IN
4520	102	57	RSS	RSS	NNP
4520	102	58	,	,	,
4520	102	59	has	have	VBZ
4520	102	60	a	a	DT
4520	102	61	richer	rich	JJR
4520	102	62	content	content	NN
4520	102	63	model	model	NN
4520	102	64	than	than	IN
4520	102	65	RSS	RSS	NNP
4520	102	66	and	and	CC
4520	102	67	is	be	VBZ
4520	102	68	more	more	RBR
4520	102	69	reusable	reusable	JJ
4520	102	70	in	in	IN
4520	102	71	other	other	JJ
4520	102	72	XML	XML	NNP
4520	102	73	vocabularies.32	vocabularies.32	NNP
4520	102	74	Both	both	CC
4520	102	75	RSS	RSS	NNP
4520	102	76	and	and	CC
4520	102	77	Atom	Atom	NNP
4520	102	78	use	use	NN
4520	102	79	HTTP	HTTP	VBN
4520	102	80	for	for	IN
4520	102	81	transport	transport	NN
4520	102	82	.	.	.
4520	103	1	RSS	RSS	NNP
4520	103	2	organizes	organize	VBZ
4520	103	3	information	information	NN
4520	103	4	into	into	IN
4520	103	5	channels	channel	NNS
4520	103	6	and	and	CC
4520	103	7	items	item	NNS
4520	103	8	,	,	,
4520	103	9	Atom	atom	NN
4520	103	10	into	into	IN
4520	103	11	feeds	feed	NNS
4520	103	12	and	and	CC
4520	103	13	entries	entry	NNS
4520	103	14	.	.	.
4520	104	1	Extension	extension	NN
4520	104	2	as	as	IN
4520	104	3	modules	module	NNS
4520	104	4	allows	allow	VBZ
4520	104	5	RSS	RSS	NNP
4520	104	6	to	to	TO
4520	104	7	carry	carry	VB
4520	104	8	multimedia	multimedia	NNP
4520	104	9	payload	payload	NN
4520	104	10	(	(	-LRB-
4520	104	11	RSS	RSS	NNP
4520	104	12	enclosures	enclosure	NNS
4520	104	13	)	)	-RRB-
4520	104	14	and	and	CC
4520	104	15	geographical	geographical	JJ
4520	104	16	information	information	NN
4520	104	17	(	(	-LRB-
4520	104	18	GeoRSS	GeoRSS	NNP
4520	104	19	)	)	-RRB-
4520	104	20	.	.	.
4520	105	1	Atom	Atom	NNP
4520	105	2	has	have	VBZ
4520	105	3	an	an	DT
4520	105	4	associated	associate	VBN
4520	105	5	publishing	publish	VBG
4520	105	6	protocol	protocol	NN
4520	105	7	called	call	VBD
4520	105	8	AtomPub	AtomPub	NNP
4520	105	9	.	.	.
4520	106	1	Syndication	syndication	NN
4520	106	2	middleware	middleware	NN
4520	106	3	,	,	,
4520	106	4	which	which	WDT
4520	106	5	supports	support	VBZ
4520	106	6	multiple	multiple	JJ
4520	106	7	formats	format	NNS
4520	106	8	,	,	,
4520	106	9	can	can	MD
4520	106	10	serve	serve	VB
4520	106	11	as	as	IN
4520	106	12	an	an	DT
4520	106	13	intermediary	intermediary	NN
4520	106	14	in	in	IN
4520	106	15	application	application	NN
4520	106	16	architectures	architecture	NNS
4520	106	17	.	.	.
4520	107	1	Information	Information	NNP
4520	107	2	and	and	CC
4520	107	3	Content	Content	NNP
4520	107	4	Exchange	Exchange	NNP
4520	107	5	(	(	-LRB-
4520	107	6	ICE	ICE	NNP
4520	107	7	)	)	-RRB-
4520	107	8	is	be	VBZ
4520	107	9	a	a	DT
4520	107	10	protocol	protocol	NN
4520	107	11	that	that	WDT
4520	107	12	aims	aim	VBZ
4520	107	13	to	to	TO
4520	107	14	“	"	``
4520	107	15	automate	automate	VB
4520	107	16	the	the	DT
4520	107	17	scheduled	schedule	VBN
4520	107	18	,	,	,
4520	107	19	reliable	reliable	JJ
4520	107	20	,	,	,
4520	107	21	secure	secure	JJ
4520	107	22	redistribution	redistribution	NN
4520	107	23	of	of	IN
4520	107	24	any	any	DT
4520	107	25	content	content	NN
4520	107	26	.	.	.
4520	107	27	”33	”33	VB
4520	107	28	TwICE	TwICE	NNP
4520	107	29	is	be	VBZ
4520	107	30	a	a	DT
4520	107	31	Java	Java	NNP
4520	107	32	implementation	implementation	NN
4520	107	33	of	of	IN
4520	107	34	ICE	ICE	NNP
4520	107	35	.	.	.
4520	108	1	ICE	ice	NN
4520	108	2	automates	automate	VBZ
4520	108	3	the	the	DT
4520	108	4	establishment	establishment	NN
4520	108	5	of	of	IN
4520	108	6	syndication	syndication	NN
4520	108	7	relationships	relationship	NNS
4520	108	8	and	and	CC
4520	108	9	handles	handles	NNP
4520	108	10	data	data	NN
4520	108	11	transfer	transfer	NN
4520	108	12	and	and	CC
4520	108	13	results	result	NNS
4520	108	14	formatting	formatting	NN
4520	108	15	.	.	.
4520	109	1	This	this	DT
4520	109	2	gives	give	VBZ
4520	109	3	content	content	NN
4520	109	4	providers	provider	NNS
4520	109	5	more	more	JJR
4520	109	6	control	control	NN
4520	109	7	over	over	IN
4520	109	8	delivery	delivery	NN
4520	109	9	,	,	,
4520	109	10	schedule	schedule	NN
4520	109	11	,	,	,
4520	109	12	and	and	CC
4520	109	13	reliability	reliability	NN
4520	109	14	than	than	IN
4520	109	15	simple	simple	JJ
4520	109	16	web	web	NN
4520	109	17	syndication	syndication	NN
4520	109	18	without	without	IN
4520	109	19	deploying	deploy	VBG
4520	109	20	a	a	DT
4520	109	21	full	full	JJ
4520	109	22	-	-	HYPH
4520	109	23	scale	scale	NN
4520	109	24	web	web	NN
4520	109	25	services	service	NNS
4520	109	26	solution	solution	NN
4520	109	27	.	.	.
4520	110	1	The	the	DT
4520	110	2	Open	Open	NNP
4520	110	3	Archives	Archives	NNP
4520	110	4	Initiative	Initiative	NNP
4520	110	5	—	—	:
4520	110	6	Object	object	NN
4520	110	7	Reuse	Reuse	NNP
4520	110	8	and	and	CC
4520	110	9	Exchange	Exchange	NNP
4520	110	10	(	(	-LRB-
4520	110	11	OAI	OAI	NNP
4520	110	12	-	-	HYPH
4520	110	13	ORE	ORE	NNP
4520	110	14	)	)	-RRB-
4520	110	15	protocol	protocol	NN
4520	110	16	provides	provide	VBZ
4520	110	17	standards	standard	NNS
4520	110	18	for	for	IN
4520	110	19	the	the	DT
4520	110	20	description	description	NN
4520	110	21	and	and	CC
4520	110	22	exchange	exchange	NN
4520	110	23	of	of	IN
4520	110	24	aggregations	aggregation	NNS
4520	110	25	of	of	IN
4520	110	26	web	web	NN
4520	110	27	resources.34	resources.34	NNP
4520	110	28	This	this	DT
4520	110	29	specification	specification	NN
4520	110	30	standardizes	standardize	VBZ
4520	110	31	how	how	WRB
4520	110	32	compound	compound	JJ
4520	110	33	digital	digital	JJ
4520	110	34	objects	object	NNS
4520	110	35	can	can	MD
4520	110	36	combine	combine	VB
4520	110	37	distributed	distributed	JJ
4520	110	38	resources	resource	NNS
4520	110	39	of	of	IN
4520	110	40	multiple	multiple	JJ
4520	110	41	media	medium	NNS
4520	110	42	types	type	NNS
4520	110	43	.	.	.
4520	111	1	ORE	ORE	NNP
4520	111	2	introduces	introduce	VBZ
4520	111	3	the	the	DT
4520	111	4	concepts	concept	NNS
4520	111	5	of	of	IN
4520	111	6	aggregation	aggregation	NN
4520	111	7	,	,	,
4520	111	8	resource	resource	NN
4520	111	9	map	map	NN
4520	111	10	,	,	,
4520	111	11	and	and	CC
4520	111	12	proxy	proxy	NN
4520	111	13	resource	resource	NN
4520	111	14	.	.	.
4520	112	1	Resource	resource	NN
4520	112	2	providers	provider	NNS
4520	112	3	or	or	CC
4520	112	4	curators	curator	NNS
4520	112	5	can	can	MD
4520	112	6	express	express	VB
4520	112	7	objects	object	NNS
4520	112	8	in	in	IN
4520	112	9	RDF	RDF	NNP
4520	112	10	or	or	CC
4520	112	11	Atom	Atom	NNP
4520	112	12	format	format	NN
4520	112	13	and	and	CC
4520	112	14	assign	assign	NN
4520	112	15	HTTP	HTTP	NNP
4520	112	16	URIs	uri	NNS
4520	112	17	for	for	IN
4520	112	18	identification	identification	NN
4520	112	19	.	.	.
4520	113	1	ORE	ORE	NNP
4520	113	2	supports	support	VBZ
4520	113	3	resource	resource	NN
4520	113	4	discovery	discovery	NN
4520	113	5	so	so	IN
4520	113	6	crawlers	crawler	NNS
4520	113	7	or	or	CC
4520	113	8	harvesters	harvester	NNS
4520	113	9	can	can	MD
4520	113	10	find	find	VB
4520	113	11	these	these	DT
4520	113	12	resource	resource	NN
4520	113	13	maps	map	NNS
4520	113	14	and	and	CC
4520	113	15	aggregates	aggregate	NNS
4520	113	16	.	.	.
4520	114	1	ORE	ORE	NNP
4520	114	2	can	can	MD
4520	114	3	work	work	VB
4520	114	4	in	in	IN
4520	114	5	partnership	partnership	NN
4520	114	6	with	with	IN
4520	114	7	OAI	OAI	NNP
4520	114	8	-	-	HYPH
4520	114	9	PMH	PMH	NNP
4520	114	10	.	.	.
4520	115	1	We	-PRON-	PRP
4520	115	2	outline	outline	VBP
4520	115	3	some	some	DT
4520	115	4	additional	additional	JJ
4520	115	5	lightweight	lightweight	JJ
4520	115	6	technologies	technology	NNS
4520	115	7	for	for	IN
4520	115	8	information	information	NN
4520	115	9	exchange	exchange	NN
4520	115	10	to	to	TO
4520	115	11	conclude	conclude	VB
4520	115	12	this	this	DT
4520	115	13	section	section	NN
4520	115	14	.	.	.
4520	116	1	OPML	OPML	NNP
4520	116	2	(	(	-LRB-
4520	116	3	Outline	Outline	NNP
4520	116	4	Processor	Processor	NNP
4520	116	5	Markup	Markup	NNP
4520	116	6	Language	Language	NNP
4520	116	7	)	)	-RRB-
4520	116	8	is	be	VBZ
4520	116	9	a	a	DT
4520	116	10	format	format	NN
4520	116	11	that	that	WDT
4520	116	12	represents	represent	VBZ
4520	116	13	lists	list	NNS
4520	116	14	of	of	IN
4520	116	15	web	web	NN
4520	116	16	feeds	feed	VBZ
4520	116	17	for	for	IN
4520	116	18	services	service	NNS
4520	116	19	such	such	JJ
4520	116	20	as	as	IN
4520	116	21	aggregators.35	aggregators.35	NNP
4520	116	22	It	-PRON-	PRP
4520	116	23	is	be	VBZ
4520	116	24	a	a	DT
4520	116	25	simple	simple	JJ
4520	116	26	XML	xml	NN
4520	116	27	format	format	NN
4520	116	28	.	.	.
4520	117	1	Feedsync	Feedsync	NNS
4520	117	2	and	and	CC
4520	117	3	ROME	ROME	NNP
4520	117	4	support	support	NN
4520	117	5	format-	format-	VBD
4520	117	6	neutral	neutral	JJ
4520	117	7	feed	feed	NN
4520	117	8	formats	format	NNS
4520	117	9	that	that	WDT
4520	117	10	abstract	abstract	VBP
4520	117	11	from	from	IN
4520	117	12	wire	wire	NN
4520	117	13	formats	format	NNS
4520	117	14	such	such	JJ
4520	117	15	as	as	IN
4520	117	16	RSS	RSS	NNP
4520	117	17	2.0	2.0	CD
4520	117	18	and	and	CC
4520	117	19	Atom	Atom	NNP
4520	117	20	1.0	1.0	CD
4520	117	21	for	for	IN
4520	117	22	aggregator	aggregator	NN
4520	117	23	or	or	CC
4520	117	24	syndication	syndication	NN
4520	117	25	middleware	middleware	NN
4520	117	26	.	.	.
4520	118	1	These	these	DT
4520	118	2	technologies	technology	NNS
4520	118	3	are	be	VBP
4520	118	4	described	describe	VBN
4520	118	5	in	in	IN
4520	118	6	the	the	DT
4520	118	7	literature.36	literature.36	NNP
4520	118	8	LOCKSS	LOCKSS	NNP
4520	118	9	(	(	-LRB-
4520	118	10	Lots	lot	NNS
4520	118	11	of	of	IN
4520	118	12	Copies	copy	NNS
4520	118	13	Keep	keep	VBP
4520	118	14	Stuff	Stuff	NNP
4520	118	15	Safe	Safe	NNP
4520	118	16	)	)	-RRB-
4520	118	17	is	be	VBZ
4520	118	18	a	a	DT
4520	118	19	novel	novel	JJ
4520	118	20	project	project	NN
4520	118	21	that	that	WDT
4520	118	22	users	user	VBZ
4520	118	23	a	a	DT
4520	118	24	peer	peer	NN
4520	118	25	-	-	HYPH
4520	118	26	to	to	IN
4520	118	27	-	-	HYPH
4520	118	28	peer	peer	NN
4520	118	29	network	network	NN
4520	118	30	to	to	TO
4520	118	31	preserve	preserve	VB
4520	118	32	and	and	CC
4520	118	33	provide	provide	VB
4520	118	34	access	access	NN
4520	118	35	to	to	IN
4520	118	36	web	web	NN
4520	118	37	resources	resource	NNS
4520	118	38	.	.	.
4520	119	1	For	for	IN
4520	119	2	example	example	NN
4520	119	3	,	,	,
4520	119	4	the	the	DT
4520	119	5	MetaArchive	MetaArchive	NNP
4520	119	6	Cooperative	Cooperative	NNP
4520	119	7	uses	use	VBZ
4520	119	8	LOCKSS	LOCKSS	NNP
4520	119	9	for	for	IN
4520	119	10	digital	digital	JJ
4520	119	11	preservation.37	preservation.37	NNP
4520	119	12	Meta	Meta	NNP
4520	119	13	-	-	HYPH
4520	119	14	search	search	NN
4520	119	15	Meta	meta	JJ
4520	119	16	-	-	HYPH
4520	119	17	search	search	NN
4520	119	18	is	be	VBZ
4520	119	19	where	where	WRB
4520	119	20	multiple	multiple	JJ
4520	119	21	search	search	NN
4520	119	22	services	service	NNS
4520	119	23	are	be	VBP
4520	119	24	combined	combine	VBN
4520	119	25	.	.	.
4520	120	1	Such	such	JJ
4520	120	2	services	service	NNS
4520	120	3	have	have	VBP
4520	120	4	a	a	DT
4520	120	5	very	very	RB
4520	120	6	small	small	JJ
4520	120	7	share	share	NN
4520	120	8	of	of	IN
4520	120	9	the	the	DT
4520	120	10	total	total	JJ
4520	120	11	search	search	NN
4520	120	12	market	market	NN
4520	120	13	owing	owe	VBG
4520	120	14	to	to	IN
4520	120	15	the	the	DT
4520	120	16	dominance	dominance	NN
4520	120	17	of	of	IN
4520	120	18	the	the	DT
4520	120	19	big	big	JJ
4520	120	20	players	player	NNS
4520	120	21	.	.	.
4520	121	1	MetaCrawler	MetaCrawler	NNP
4520	121	2	,	,	,
4520	121	3	developed	develop	VBN
4520	121	4	in	in	IN
4520	121	5	the	the	DT
4520	121	6	1990s	1990s	CD
4520	121	7	,	,	,
4520	121	8	was	be	VBD
4520	121	9	one	one	CD
4520	121	10	of	of	IN
4520	121	11	the	the	DT
4520	121	12	first	first	JJ
4520	121	13	meta	meta	JJ
4520	121	14	-	-	HYPH
4520	121	15	search	search	NN
4520	121	16	engines	engine	NNS
4520	121	17	and	and	CC
4520	121	18	serves	serve	VBZ
4520	121	19	as	as	IN
4520	121	20	a	a	DT
4520	121	21	model	model	NN
4520	121	22	for	for	IN
4520	121	23	how	how	WRB
4520	121	24	such	such	JJ
4520	121	25	systems	system	NNS
4520	121	26	operate.38	operate.38	NNP
4520	121	27	A	a	DT
4520	121	28	meta	meta	JJ
4520	121	29	-	-	HYPH
4520	121	30	search	search	NN
4520	121	31	engine	engine	NN
4520	121	32	utilizes	utilize	VBZ
4520	121	33	multiple	multiple	JJ
4520	121	34	search	search	NN
4520	121	35	engines	engine	NNS
4520	121	36	by	by	IN
4520	121	37	sending	send	VBG
4520	121	38	a	a	DT
4520	121	39	user	user	NN
4520	121	40	request	request	NN
4520	121	41	to	to	IN
4520	121	42	multiple	multiple	JJ
4520	121	43	sources	source	NNS
4520	121	44	or	or	CC
4520	121	45	engines	engine	NNS
4520	121	46	aiming	aim	VBG
4520	121	47	to	to	TO
4520	121	48	improve	improve	VB
4520	121	49	recall	recall	NN
4520	121	50	in	in	IN
4520	121	51	the	the	DT
4520	121	52	process	process	NN
4520	121	53	.	.	.
4520	122	1	A	a	DT
4520	122	2	key	key	JJ
4520	122	3	issue	issue	NN
4520	122	4	with	with	IN
4520	122	5	meta	meta	JJ
4520	122	6	-	-	HYPH
4520	122	7	search	search	NN
4520	122	8	is	be	VBZ
4520	122	9	how	how	WRB
4520	122	10	to	to	TO
4520	122	11	weight	weight	VB
4520	122	12	search	search	NN
4520	122	13	engines	engine	NNS
4520	122	14	and	and	CC
4520	122	15	how	how	WRB
4520	122	16	to	to	TO
4520	122	17	integrate	integrate	VB
4520	122	18	sets	set	NNS
4520	122	19	of	of	IN
4520	122	20	results	result	NNS
4520	122	21	into	into	IN
4520	122	22	a	a	DT
4520	122	23	single	single	JJ
4520	122	24	results	result	NNS
4520	122	25	list	list	NN
4520	122	26	.	.	.
4520	123	1	Figure	figure	NN
4520	123	2	1	1	CD
4520	123	3	shows	show	VBZ
4520	123	4	a	a	DT
4520	123	5	general	general	JJ
4520	123	6	model	model	NN
4520	123	7	of	of	IN
4520	123	8	meta	meta	JJ
4520	123	9	-	-	HYPH
4520	123	10	search	search	NN
4520	123	11	where	where	WRB
4520	123	12	the	the	DT
4520	123	13	meta	meta	JJ
4520	123	14	-	-	HYPH
4520	123	15	search	search	NN
4520	123	16	service	service	NN
4520	123	17	chooses	choose	NNS
4520	123	18	which	which	WDT
4520	123	19	search	search	NN
4520	123	20	engines	engine	NNS
4520	123	21	and	and	CC
4520	123	22	content	content	NN
4520	123	23	providers	provider	NNS
4520	123	24	to	to	TO
4520	123	25	employ	employ	VB
4520	123	26	.	.	.
4520	124	1	Active	active	JJ
4520	124	2	meta	meta	JJ
4520	124	3	-	-	HYPH
4520	124	4	search	search	NN
4520	124	5	engines	engine	NNS
4520	124	6	on	on	IN
4520	124	7	the	the	DT
4520	124	8	web	web	NN
4520	124	9	include	include	VBP
4520	124	10	dogpile	dogpile	NN
4520	124	11	,	,	,
4520	124	12	Yippy	Yippy	NNP
4520	124	13	,	,	,
4520	124	14	ixquick	ixquick	NN
4520	124	15	,	,	,
4520	124	16	and	and	CC
4520	124	17	info.com	info.com	ADD
4520	124	18	.	.	.
4520	125	1	Note	note	VB
4520	125	2	that	that	IN
4520	125	3	these	these	DT
4520	125	4	types	type	NNS
4520	125	5	of	of	IN
4520	125	6	website	website	NN
4520	125	7	appear	appear	VBP
4520	125	8	,	,	,
4520	125	9	change	change	VB
4520	125	10	INFORMATION	INFORMATION	NNP
4520	125	11	TECHNOLOGY	technology	NN
4520	125	12	AND	and	CC
4520	125	13	LIBRARIES	library	NNS
4520	125	14	|	|	NNP
4520	125	15	JUNE	JUNE	NNP
4520	125	16	2014	2014	CD
4520	125	17	51	51	CD
4520	125	18	names	name	NNS
4520	125	19	,	,	,
4520	125	20	and	and	CC
4520	125	21	disappear	disappear	VBP
4520	125	22	frequently	frequently	RB
4520	125	23	.	.	.
4520	126	1	Currently	currently	RB
4520	126	2	meta	meta	JJ
4520	126	3	-	-	HYPH
4520	126	4	search	search	NN
4520	126	5	services	service	NNS
4520	126	6	use	use	VBP
4520	126	7	various	various	JJ
4520	126	8	implementation	implementation	NN
4520	126	9	methods	method	NNS
4520	126	10	such	such	JJ
4520	126	11	as	as	IN
4520	126	12	proprietary	proprietary	JJ
4520	126	13	protocols	protocol	NNS
4520	126	14	and	and	CC
4520	126	15	screen	screen	NN
4520	126	16	scraping	scraping	NN
4520	126	17	.	.	.
4520	127	1	Figure	figure	NN
4520	127	2	1	1	CD
4520	127	3	.	.	.
4520	128	1	General	general	JJ
4520	128	2	model	model	NN
4520	128	3	of	of	IN
4520	128	4	meta	meta	JJ
4520	128	5	-	-	HYPH
4520	128	6	search	search	NN
4520	128	7	.	.	.
4520	129	1	Metasearch	Metasearch	NNP
4520	129	2	XML	XML	NNP
4520	129	3	Gateway	Gateway	NNP
4520	129	4	(	(	-LRB-
4520	129	5	MXG	MXG	NNP
4520	129	6	)	)	-RRB-
4520	129	7	is	be	VBZ
4520	129	8	a	a	DT
4520	129	9	meta	meta	JJ
4520	129	10	-	-	HYPH
4520	129	11	search	search	NN
4520	129	12	protocol	protocol	NN
4520	129	13	developed	develop	VBN
4520	129	14	by	by	IN
4520	129	15	the	the	DT
4520	129	16	NISO	NISO	NNP
4520	129	17	MetaSearch	MetaSearch	NNP
4520	129	18	Initiative	Initiative	NNP
4520	129	19	,	,	,
4520	129	20	a	a	DT
4520	129	21	consortium	consortium	NN
4520	129	22	of	of	IN
4520	129	23	meta	meta	JJ
4520	129	24	-	-	HYPH
4520	129	25	search	search	NN
4520	129	26	developers	developer	NNS
4520	129	27	and	and	CC
4520	129	28	interested	interested	JJ
4520	129	29	parties.39	parties.39	NNP
4520	129	30	MXG	MXG	NNP
4520	129	31	is	be	VBZ
4520	129	32	a	a	DT
4520	129	33	message	message	NN
4520	129	34	and	and	CC
4520	129	35	response	response	NN
4520	129	36	protocol	protocol	NNP
4520	129	37	,	,	,
4520	129	38	which	which	WDT
4520	129	39	enables	enable	VBZ
4520	129	40	meta	meta	JJ
4520	129	41	-	-	HYPH
4520	129	42	search	search	NN
4520	129	43	service	service	NN
4520	129	44	providers	provider	NNS
4520	129	45	and	and	CC
4520	129	46	content	content	NN
4520	129	47	providers	provider	NNS
4520	129	48	communicate	communicate	VBP
4520	129	49	.	.	.
4520	130	1	A	a	DT
4520	130	2	goal	goal	NN
4520	130	3	of	of	IN
4520	130	4	the	the	DT
4520	130	5	design	design	NN
4520	130	6	of	of	IN
4520	130	7	MXG	MXG	NNP
4520	130	8	was	be	VBD
4520	130	9	that	that	IN
4520	130	10	content	content	NN
4520	130	11	providers	provider	NNS
4520	130	12	should	should	MD
4520	130	13	not	not	RB
4520	130	14	have	have	VB
4520	130	15	to	to	TO
4520	130	16	expend	expend	VB
4520	130	17	substantial	substantial	JJ
4520	130	18	development	development	NN
4520	130	19	resources	resource	NNS
4520	130	20	.	.	.
4520	131	1	MXG	MXG	NNP
4520	131	2	,	,	,
4520	131	3	based	base	VBN
4520	131	4	on	on	IN
4520	131	5	SRU	SRU	NNP
4520	131	6	,	,	,
4520	131	7	specifies	specify	VBZ
4520	131	8	both	both	CC
4520	131	9	the	the	DT
4520	131	10	query	query	NN
4520	131	11	and	and	CC
4520	131	12	search	search	NN
4520	131	13	results	result	NNS
4520	131	14	formats	format	NNS
4520	131	15	.	.	.
4520	132	1	Combining	combine	VBG
4520	132	2	results	result	NNS
4520	132	3	,	,	,
4520	132	4	aggregation	aggregation	NN
4520	132	5	and	and	CC
4520	132	6	presentation	presentation	NN
4520	132	7	are	be	VBP
4520	132	8	not	not	RB
4520	132	9	part	part	NN
4520	132	10	of	of	IN
4520	132	11	the	the	DT
4520	132	12	protocol	protocol	NN
4520	132	13	and	and	CC
4520	132	14	handled	handle	VBN
4520	132	15	by	by	IN
4520	132	16	the	the	DT
4520	132	17	meta	meta	JJ
4520	132	18	-	-	HYPH
4520	132	19	search	search	NN
4520	132	20	service	service	NN
4520	132	21	.	.	.
4520	133	1	The	the	DT
4520	133	2	standard	standard	JJ
4520	133	3	defines	define	VBZ
4520	133	4	three	three	CD
4520	133	5	levels	level	NNS
4520	133	6	of	of	IN
4520	133	7	compliance	compliance	NN
4520	133	8	allowing	allow	VBG
4520	133	9	varying	vary	VBG
4520	133	10	degrees	degree	NNS
4520	133	11	of	of	IN
4520	133	12	commitment	commitment	NN
4520	133	13	and	and	CC
4520	133	14	interoperability	interoperability	NN
4520	133	15	.	.	.
4520	134	1	SEARCH	SEARCH	NNP
4520	134	2	PROTOCOLS	PROTOCOLS	NNP
4520	134	3	We	-PRON-	PRP
4520	134	4	describe	describe	VBP
4520	134	5	OpenSearch	OpenSearch	NNP
4520	134	6	and	and	CC
4520	134	7	SRU	SRU	NNP
4520	134	8	,	,	,
4520	134	9	along	along	IN
4520	134	10	with	with	IN
4520	134	11	applications	application	NNS
4520	134	12	,	,	,
4520	134	13	in	in	IN
4520	134	14	the	the	DT
4520	134	15	following	following	JJ
4520	134	16	subsections	subsection	NNS
4520	134	17	.	.	.
4520	135	1	After	after	IN
4520	135	2	that	that	DT
4520	135	3	,	,	,
4520	135	4	we	-PRON-	PRP
4520	135	5	detail	detail	VBP
4520	135	6	related	related	JJ
4520	135	7	technologies	technology	NNS
4520	135	8	.	.	.
4520	136	1	OpenSearch	OpenSearch	NNP
4520	136	2	OpenSearch	OpenSearch	NNP
4520	136	3	is	be	VBZ
4520	136	4	a	a	DT
4520	136	5	protocol	protocol	NN
4520	136	6	that	that	WDT
4520	136	7	defines	define	VBZ
4520	136	8	simple	simple	JJ
4520	136	9	formats	format	NNS
4520	136	10	to	to	TO
4520	136	11	help	help	VB
4520	136	12	search	search	NN
4520	136	13	engines	engine	NNS
4520	136	14	and	and	CC
4520	136	15	content	content	NN
4520	136	16	providers	provider	NNS
4520	136	17	communicate	communicate	VBP
4520	136	18	.	.	.
4520	137	1	It	-PRON-	PRP
4520	137	2	was	be	VBD
4520	137	3	developed	develop	VBN
4520	137	4	by	by	IN
4520	137	5	A9	A9	NNP
4520	137	6	,	,	,
4520	137	7	a	a	DT
4520	137	8	subsidiary	subsidiary	NN
4520	137	9	of	of	IN
4520	137	10	Amazon	Amazon	NNP
4520	137	11	,	,	,
4520	137	12	in	in	IN
4520	137	13	2005.40	2005.40	CD
4520	137	14	It	-PRON-	PRP
4520	137	15	defines	define	VBZ
4520	137	16	common	common	JJ
4520	137	17	formats	format	NNS
4520	137	18	for	for	IN
4520	137	19	describing	describe	VBG
4520	137	20	a	a	DT
4520	137	21	search	search	NN
4520	137	22	service	service	NN
4520	137	23	,	,	,
4520	137	24	query	query	NN
4520	137	25	results	result	NNS
4520	137	26	,	,	,
4520	137	27	and	and	CC
4520	137	28	operation	operation	NN
4520	137	29	control	control	NN
4520	137	30	.	.	.
4520	138	1	It	-PRON-	PRP
4520	138	2	does	do	VBZ
4520	138	3	not	not	RB
4520	138	4	specify	specify	VB
4520	138	5	content	content	NN
4520	138	6	formats	format	NNS
4520	138	7	for	for	IN
4520	138	8	documents	document	NNS
4520	138	9	or	or	CC
4520	138	10	queries	query	NNS
4520	138	11	.	.	.
4520	139	1	The	the	DT
4520	139	2	current	current	JJ
4520	139	3	specification	specification	NN
4520	139	4	,	,	,
4520	139	5	version	version	NN
4520	139	6	1.1	1.1	CD
4520	139	7	,	,	,
4520	139	8	is	be	VBZ
4520	139	9	available	available	JJ
4520	139	10	with	with	IN
4520	139	11	a	a	DT
4520	139	12	Creative	Creative	NNP
4520	139	13	Commons	Commons	NNP
4520	139	14	license	license	NN
4520	139	15	.	.	.
4520	140	1	It	-PRON-	PRP
4520	140	2	is	be	VBZ
4520	140	3	an	an	DT
4520	140	4	extensible	extensible	JJ
4520	140	5	specification	specification	NN
4520	140	6	with	with	IN
4520	140	7	extensions	extension	NNS
4520	140	8	published	publish	VBN
4520	140	9	on	on	IN
4520	140	10	the	the	DT
4520	140	11	website	website	NN
4520	140	12	.	.	.
4520	141	1	Both	both	DT
4520	141	2	free	free	JJ
4520	141	3	open	open	JJ
4520	141	4	systems	system	NNS
4520	141	5	and	and	CC
4520	141	6	proprietary	proprietary	JJ
4520	141	7	systems	system	NNS
4520	141	8	use	use	VBP
4520	141	9	OpenSearch	OpenSearch	NNP
4520	141	10	.	.	.
4520	142	1	In	in	IN
4520	142	2	particular	particular	JJ
4520	142	3	,	,	,
4520	142	4	many	many	JJ
4520	142	5	open	open	JJ
4520	142	6	-	-	HYPH
4520	142	7	source	source	NN
4520	142	8	search	search	NN
4520	142	9	engines	engine	NNS
4520	142	10	and	and	CC
4520	142	11	content	content	NN
4520	142	12	management	management	NN
4520	142	13	systems	system	NNS
4520	142	14	support	support	NN
4520	142	15	OpenSearch	OpenSearch	NNP
4520	142	16	,	,	,
4520	142	17	including	include	VBG
4520	142	18	YaCy	YaCy	NNP
4520	142	19	,	,	,
4520	142	20	Drupal	Drupal	NNP
4520	142	21	and	and	CC
4520	142	22	Plone	Plone	NNP
4520	142	23	CMS	CMS	NNP
4520	142	24	.	.	.
4520	143	1	OpenSearch	OpenSearch	NNP
4520	143	2	consists	consist	VBZ
4520	143	3	of	of	IN
4520	143	4	a	a	DT
4520	143	5	description	description	NN
4520	143	6	file	file	NN
4520	143	7	for	for	IN
4520	143	8	search	search	NN
4520	143	9	source	source	NN
4520	143	10	and	and	CC
4520	143	11	a	a	DT
4520	143	12	response	response	NN
4520	143	13	format	format	NN
4520	143	14	for	for	IN
4520	143	15	query	query	NN
4520	143	16	results	result	NNS
4520	143	17	.	.	.
4520	144	1	Descriptors	descriptor	NNS
4520	144	2	include	include	VBP
4520	144	3	elements	element	NNS
4520	144	4	Url	Url	NNP
4520	144	5	,	,	,
4520	144	6	Query	Query	NNP
4520	144	7	,	,	,
4520	144	8	SyndicationRight	SyndicationRight	NNP
4520	144	9	,	,	,
4520	144	10	and	and	CC
4520	144	11	Language	Language	NNP
4520	144	12	.	.	.
4520	145	1	Resource	resource	NN
4520	145	2	identification	identification	NN
4520	145	3	can	can	MD
4520	145	4	be	be	VB
4520	145	5	by	by	IN
4520	145	6	URLs	url	NNS
4520	145	7	,	,	,
4520	145	8	DOIs	doi	NNS
4520	145	9	,	,	,
4520	145	10	or	or	CC
4520	145	11	a	a	DT
4520	145	12	linking	link	VBG
4520	145	13	technology	technology	NN
4520	145	14	such	such	JJ
4520	145	15	as	as	IN
4520	145	16	OpenURL	OpenURL	``
4520	145	17	.	.	.
4520	146	1	Responses	response	NNS
4520	146	2	describe	describe	VBP
4520	146	3	a	a	DT
4520	146	4	list	list	NN
4520	146	5	of	of	IN
4520	146	6	results	result	NNS
4520	146	7	and	and	CC
4520	146	8	can	can	MD
4520	146	9	be	be	VB
4520	146	10	in	in	IN
4520	146	11	RSS	RSS	NNP
4520	146	12	,	,	,
4520	146	13	Atom	Atom	NNP
4520	146	14	,	,	,
4520	146	15	or	or	CC
4520	146	16	HTML	html	NN
4520	146	17	formats	format	NNS
4520	146	18	.	.	.
4520	147	1	Additionally	additionally	RB
4520	147	2	there	there	EX
4520	147	3	is	be	VBZ
4520	147	4	an	an	DT
4520	147	5	auto	auto	NN
4520	147	6	-	-	HYPH
4520	147	7	discovery	discovery	NN
4520	147	8	feature	feature	NN
4520	147	9	to	to	TO
4520	147	10	signal	signal	VB
4520	147	11	that	that	IN
4520	147	12	a	a	DT
4520	147	13	HTML	html	NN
4520	147	14	page	page	NN
4520	147	15	is	be	VBZ
4520	147	16	searchable	searchable	JJ
4520	147	17	,	,	,
4520	147	18	implemented	implement	VBN
4520	147	19	using	use	VBG
4520	147	20	a	a	DT
4520	147	21	HTML	html	NN
4520	147	22	4.0	4.0	CD
4520	147	23	<	<	XX
4520	147	24	link	link	VB
4520	147	25	>	>	NN
4520	147	26	element	element	NN
4520	147	27	.	.	.
4520	148	1	Search	Search	NNP
4520	148	2	Engine	Engine	NNP
4520	148	3	Content	Content	NNP
4520	148	4	Provider	Provider	NNP
4520	148	5	Search	Search	NNP
4520	148	6	Engine	Engine	NNP
4520	148	7	Content	Content	NNP
4520	148	8	Provider	Provider	NNP
4520	148	9	Choose	Choose	NNP
4520	148	10	Combine	Combine	NNP
4520	148	11	query	query	NN
4520	148	12	combined	combine	VBN
4520	148	13	results	result	NNS
4520	148	14	OPEN	open	JJ
4520	148	15	SEARCH	search	NN
4520	148	16	ENVIRONMENTS	environment	NNS
4520	148	17	:	:	:
4520	148	18	THE	the	DT
4520	148	19	FREE	free	JJ
4520	148	20	ALTERNATIVE	alternative	NN
4520	148	21	TO	to	IN
4520	148	22	COMMERCIAL	commercial	JJ
4520	148	23	SEARCH	SEARCH	NNP
4520	148	24	SERVICES	SERVICES	NNP
4520	148	25	|	|	CD
4520	148	26	O’RIORDAN	O’RIORDAN	NNP
4520	148	27	52	52	CD
4520	148	28	OpenSearch	OpenSearch	NNP
4520	148	29	makes	make	VBZ
4520	148	30	very	very	RB
4520	148	31	few	few	JJ
4520	148	32	assumptions	assumption	NNS
4520	148	33	about	about	IN
4520	148	34	the	the	DT
4520	148	35	types	type	NNS
4520	148	36	of	of	IN
4520	148	37	sources	source	NNS
4520	148	38	,	,	,
4520	148	39	the	the	DT
4520	148	40	type	type	NN
4520	148	41	of	of	IN
4520	148	42	query	query	NN
4520	148	43	or	or	CC
4520	148	44	the	the	DT
4520	148	45	search	search	NN
4520	148	46	operation	operation	NN
4520	148	47	.	.	.
4520	149	1	It	-PRON-	PRP
4520	149	2	is	be	VBZ
4520	149	3	ideal	ideal	JJ
4520	149	4	for	for	IN
4520	149	5	combining	combine	VBG
4520	149	6	content	content	NN
4520	149	7	from	from	IN
4520	149	8	multiple	multiple	JJ
4520	149	9	disparate	disparate	JJ
4520	149	10	sources	source	NNS
4520	149	11	,	,	,
4520	149	12	which	which	WDT
4520	149	13	may	may	MD
4520	149	14	be	be	VB
4520	149	15	data	datum	NNS
4520	149	16	from	from	IN
4520	149	17	repositories	repository	NNS
4520	149	18	,	,	,
4520	149	19	webpages	webpage	NNS
4520	149	20	,	,	,
4520	149	21	or	or	CC
4520	149	22	syndicated	syndicate	VBN
4520	149	23	feeds	feed	NNS
4520	149	24	.	.	.
4520	150	1	For	for	IN
4520	150	2	illustrative	illustrative	JJ
4520	150	3	purposes	purpose	NNS
4520	150	4	,	,	,
4520	150	5	listing	list	VBG
4520	150	6	1	1	CD
4520	150	7	gives	give	VBZ
4520	150	8	an	an	DT
4520	150	9	example	example	NN
4520	150	10	OpenSearch	OpenSearch	NNP
4520	150	11	description	description	NN
4520	150	12	for	for	IN
4520	150	13	harvesting	harvesting	NN
4520	150	14	book	book	NN
4520	150	15	information	information	NN
4520	150	16	from	from	IN
4520	150	17	an	an	DT
4520	150	18	example	example	NN
4520	150	19	digital	digital	JJ
4520	150	20	library	library	NN
4520	150	21	called	call	VBN
4520	150	22	DigLib	DigLib	NNP
4520	150	23	.	.	.
4520	151	1	The	the	DT
4520	151	2	root	root	NN
4520	151	3	node	node	NN
4520	151	4	<	<	XX
4520	151	5	openseachdescription	openseachdescription	NN
4520	151	6	>	>	XX
4520	151	7	includes	include	VBZ
4520	151	8	an	an	DT
4520	151	9	XML	xml	NN
4520	151	10	namespace	namespace	NN
4520	151	11	attribute	attribute	NN
4520	151	12	,	,	,
4520	151	13	which	which	WDT
4520	151	14	gives	give	VBZ
4520	151	15	the	the	DT
4520	151	16	URL	url	NN
4520	151	17	for	for	IN
4520	151	18	the	the	DT
4520	151	19	standard	standard	JJ
4520	151	20	version	version	NN
4520	151	21	.	.	.
4520	152	1	The	the	DT
4520	152	2	url	url	JJ
4520	152	3	element	element	NN
4520	152	4	specifies	specify	VBZ
4520	152	5	the	the	DT
4520	152	6	content	content	NN
4520	152	7	type	type	NN
4520	152	8	(	(	-LRB-
4520	152	9	a	a	DT
4520	152	10	MIME	MIME	NNP
4520	152	11	type	type	NN
4520	152	12	)	)	-RRB-
4520	152	13	,	,	,
4520	152	14	the	the	DT
4520	152	15	query	query	NN
4520	152	16	(	(	-LRB-
4520	152	17	book	book	NN
4520	152	18	in	in	IN
4520	152	19	this	this	DT
4520	152	20	case	case	NN
4520	152	21	)	)	-RRB-
4520	152	22	,	,	,
4520	152	23	and	and	CC
4520	152	24	the	the	DT
4520	152	25	index	index	NN
4520	152	26	offset	offset	VBD
4520	152	27	where	where	WRB
4520	152	28	to	to	TO
4520	152	29	begin	begin	VB
4520	152	30	.	.	.
4520	153	1	The	the	DT
4520	153	2	rel	rel	NN
4520	153	3	attribute	attribute	NN
4520	153	4	states	state	VBZ
4520	153	5	that	that	IN
4520	153	6	the	the	DT
4520	153	7	result	result	NN
4520	153	8	is	be	VBZ
4520	153	9	a	a	DT
4520	153	10	collection	collection	NN
4520	153	11	of	of	IN
4520	153	12	resources	resource	NNS
4520	153	13	.	.	.
4520	154	1	<	<	XX
4520	154	2	openseachdescription	openseachdescription	NN
4520	154	3	xmlns	xmlns	NNP
4520	154	4	=	=	SYM
4520	154	5	http://a9.com/~/spec	http://a9.com/~/spec	NNP
4520	154	6	/	/	SYM
4520	154	7	opensearch/1.1/	opensearch/1.1/	UH
4520	154	8	>	>	FW
4520	154	9	<	<	XX
4520	154	10	shortname	shortname	XX
4520	154	11	>	>	XX
4520	154	12	DigLib</shortname	diglib</shortname	NN
4520	154	13	>	>	XX
4520	154	14	<	<	XX
4520	154	15	description	description	NN
4520	154	16	>	>	XX
4520	154	17	Harvests	harvest	NNS
4520	154	18	book	book	NN
4520	154	19	items</description	items</description	NN
4520	154	20	>	>	XX
4520	154	21	<	<	XX
4520	154	22	url	url	JJ
4520	154	23	type="application	type="application	NN
4520	154	24	/	/	SYM
4520	154	25	rdf+xml	rdf+xml	NN
4520	154	26	"	"	``
4520	154	27	indexoffset="0	indexoffset="0	IN
4520	154	28	"	"	``
4520	154	29	rel="collection	rel="collection	CD
4520	154	30	"	"	''
4520	154	31	template="http://diglib.com/?q={book}&amp;start={startIndex	template="http://diglib.com/?q={book}&amp;start={startIndex	NNP
4520	154	32	?	?	.
4520	155	1	}	}	-RRB-
4520	155	2	&	&	CC
4520	155	3	amp;format	amp;format	NNP
4520	155	4	=	=	SYM
4520	155	5	rdf	rdf	NN
4520	155	6	"	"	''
4520	155	7	/	/	,
4520	155	8	>	>	XX
4520	155	9	<	<	XX
4520	155	10	language	language	NN
4520	155	11	>	>	FW
4520	155	12	en	en	NN
4520	155	13	-	-	HYPH
4520	155	14	us</language	us</language	NN
4520	155	15	>	>	NN
4520	155	16	<	<	XX
4520	155	17	outputencoding	outputencode	VBG
4520	155	18	>	>	XX
4520	155	19	UTF-8</outputencoding	utf-8</outputencode	VBG
4520	155	20	>	>	XX
4520	155	21	<	<	XX
4520	155	22	/opensearchdescription	/opensearchdescription	.
4520	155	23	>	>	XX
4520	155	24	Listing	list	VBG
4520	155	25	1	1	CD
4520	155	26	.	.	.
4520	156	1	XML	XML	NNP
4520	156	2	OpenSearch	OpenSearch	NNP
4520	156	3	Description	Description	NNP
4520	156	4	Record	Record	NNP
4520	156	5	.	.	.
4520	157	1	Next	next	RB
4520	157	2	,	,	,
4520	157	3	we	-PRON-	PRP
4520	157	4	describe	describe	VBP
4520	157	5	some	some	DT
4520	157	6	deployed	deploy	VBN
4520	157	7	applications	application	NNS
4520	157	8	that	that	WDT
4520	157	9	use	use	VBP
4520	157	10	OpenSearch	OpenSearch	NNP
4520	157	11	.	.	.
4520	158	1	OJAX	ojax	IN
4520	158	2	uses	use	VBZ
4520	158	3	qeb	qeb	NN
4520	158	4	technologies	technology	NNS
4520	158	5	such	such	JJ
4520	158	6	as	as	IN
4520	158	7	Ajax	Ajax	NNP
4520	158	8	(	(	-LRB-
4520	158	9	Asynchronous	Asynchronous	NNP
4520	158	10	Javascript	Javascript	NNP
4520	158	11	)	)	-RRB-
4520	158	12	to	to	TO
4520	158	13	provide	provide	VB
4520	158	14	a	a	DT
4520	158	15	federated	federate	VBN
4520	158	16	search	search	NN
4520	158	17	service	service	NN
4520	158	18	for	for	IN
4520	158	19	OAI	OAI	NNP
4520	158	20	-	-	HYPH
4520	158	21	PMH	PMH	NNP
4520	158	22	compatible	compatible	JJ
4520	158	23	open	open	JJ
4520	158	24	repositories.41	repositories.41	NNP
4520	158	25	,	,	,
4520	158	26	42	42	CD
4520	158	27	OJAX	ojax	RB
4520	158	28	also	also	RB
4520	158	29	supports	support	VBZ
4520	158	30	the	the	DT
4520	158	31	Discovery	Discovery	NNP
4520	158	32	feature	feature	NN
4520	158	33	of	of	IN
4520	158	34	OpenSearch	OpenSearch	NNP
4520	158	35	,	,	,
4520	158	36	as	as	IN
4520	158	37	described	describe	VBN
4520	158	38	in	in	IN
4520	158	39	the	the	DT
4520	158	40	OpenSearch	OpenSearch	NNP
4520	158	41	1.1	1.1	CD
4520	158	42	specification	specification	NN
4520	158	43	,	,	,
4520	158	44	for	for	IN
4520	158	45	auto	auto	NN
4520	158	46	-	-	HYPH
4520	158	47	detecting	detecting	NN
4520	158	48	that	that	IN
4520	158	49	a	a	DT
4520	158	50	repository	repository	NN
4520	158	51	is	be	VBZ
4520	158	52	searchable	searchable	JJ
4520	158	53	.	.	.
4520	159	1	Stored	stored	JJ
4520	159	2	searches	search	NNS
4520	159	3	are	be	VBP
4520	159	4	in	in	IN
4520	159	5	Atom	Atom	NNP
4520	159	6	format	format	NN
4520	159	7	.	.	.
4520	160	1	Open	open	JJ
4520	160	2	-	-	HYPH
4520	160	3	source	source	NN
4520	160	4	meta	meta	JJ
4520	160	5	-	-	HYPH
4520	160	6	search	search	NN
4520	160	7	engines	engine	NNS
4520	160	8	can	can	MD
4520	160	9	combine	combine	VB
4520	160	10	the	the	DT
4520	160	11	results	result	NNS
4520	160	12	of	of	IN
4520	160	13	OpenSearch	OpenSearch	NNP
4520	160	14	enabled	enable	VBD
4520	160	15	search	search	NN
4520	160	16	engines.43	engines.43	NNP
4520	160	17	A	a	DT
4520	160	18	system	system	NN
4520	160	19	built	build	VBN
4520	160	20	as	as	IN
4520	160	21	a	a	DT
4520	160	22	proof	proof	NN
4520	160	23	-	-	HYPH
4520	160	24	of	of	IN
4520	160	25	-	-	HYPH
4520	160	26	concept	concept	NN
4520	160	27	uses	use	VBZ
4520	160	28	four	four	CD
4520	160	29	search	search	NN
4520	160	30	sources	source	NNS
4520	160	31	:	:	:
4520	160	32	A9.com	A9.com	NNP
4520	160	33	,	,	,
4520	160	34	yaCy	yaCy	NNP
4520	160	35	,	,	,
4520	160	36	mozDex	mozDex	NNP
4520	160	37	,	,	,
4520	160	38	and	and	CC
4520	160	39	alpha	alpha	NN
4520	160	40	.	.	.
4520	161	1	A	a	DT
4520	161	2	user	user	NN
4520	161	3	can	can	MD
4520	161	4	issue	issue	VB
4520	161	5	a	a	DT
4520	161	6	text	text	NN
4520	161	7	query	query	NN
4520	161	8	(	(	-LRB-
4520	161	9	word	word	NN
4520	161	10	or	or	CC
4520	161	11	phrase	phrase	NN
4520	161	12	)	)	-RRB-
4520	161	13	with	with	IN
4520	161	14	Boolean	boolean	JJ
4520	161	15	operators	operator	NNS
4520	161	16	and	and	CC
4520	161	17	several	several	JJ
4520	161	18	modifiers	modifier	NNS
4520	161	19	.	.	.
4520	162	1	Users	user	NNS
4520	162	2	can	can	MD
4520	162	3	prefer	prefer	VB
4520	162	4	or	or	CC
4520	162	5	bias	bias	VB
4520	162	6	particular	particular	JJ
4520	162	7	engines	engine	NNS
4520	162	8	by	by	IN
4520	162	9	setting	set	VBG
4520	162	10	weights	weight	NNS
4520	162	11	.	.	.
4520	163	1	The	the	DT
4520	163	2	system	system	NN
4520	163	3	ranks	rank	VBZ
4520	163	4	results	result	NNS
4520	163	5	,	,	,
4520	163	6	combined	combine	VBN
4520	163	7	using	use	VBG
4520	163	8	a	a	DT
4520	163	9	voting	voting	NN
4520	163	10	algorithm	algorithm	NN
4520	163	11	and	and	CC
4520	163	12	implemented	implement	VBD
4520	163	13	using	use	VBG
4520	163	14	the	the	DT
4520	163	15	Lucene	Lucene	NNP
4520	163	16	library	library	NN
4520	163	17	.	.	.
4520	164	1	OpenSearch	OpenSearch	NNP
4520	164	2	can	can	MD
4520	164	3	be	be	VB
4520	164	4	employed	employ	VBN
4520	164	5	to	to	TO
4520	164	6	specify	specify	VB
4520	164	7	the	the	DT
4520	164	8	search	search	NN
4520	164	9	sources	source	NNS
4520	164	10	and	and	CC
4520	164	11	as	as	IN
4520	164	12	a	a	DT
4520	164	13	common	common	JJ
4520	164	14	format	format	NN
4520	164	15	when	when	WRB
4520	164	16	results	result	NNS
4520	164	17	are	be	VBP
4520	164	18	combined	combine	VBN
4520	164	19	.	.	.
4520	165	1	As	as	IN
4520	165	2	LeVan	LeVan	NNP
4520	165	3	points	point	VBZ
4520	165	4	out	out	RP
4520	165	5	“	"	``
4520	165	6	the	the	DT
4520	165	7	job	job	NN
4520	165	8	of	of	IN
4520	165	9	the	the	DT
4520	165	10	meta	meta	JJ
4520	165	11	-	-	HYPH
4520	165	12	search	search	NN
4520	165	13	engine	engine	NN
4520	165	14	is	be	VBZ
4520	165	15	made	make	VBN
4520	165	16	much	much	RB
4520	165	17	simpler	simple	JJR
4520	165	18	if	if	IN
4520	165	19	the	the	DT
4520	165	20	local	local	JJ
4520	165	21	search	search	NN
4520	165	22	engine	engine	NN
4520	165	23	supports	support	VBZ
4520	165	24	a	a	DT
4520	165	25	standard	standard	JJ
4520	165	26	search	search	NN
4520	165	27	interface	interface	NN
4520	165	28	.	.	.
4520	165	29	”44	”44	NNP
4520	165	30	LeVan	LeVan	NNP
4520	165	31	also	also	RB
4520	165	32	mentions	mention	VBZ
4520	165	33	MXG	MXG	NNP
4520	165	34	in	in	IN
4520	165	35	this	this	DT
4520	165	36	context	context	NN
4520	165	37	.	.	.
4520	166	1	Nguyen	Nguyen	NNP
4520	166	2	et	et	NNP
4520	166	3	al	al	NNP
4520	166	4	.	.	.
4520	167	1	describe	describe	VB
4520	167	2	an	an	DT
4520	167	3	application	application	NN
4520	167	4	where	where	WRB
4520	167	5	over	over	IN
4520	167	6	one	one	CD
4520	167	7	hundred	hundred	CD
4520	167	8	search	search	NN
4520	167	9	engines	engine	NNS
4520	167	10	are	be	VBP
4520	167	11	used	use	VBN
4520	167	12	in	in	IN
4520	167	13	experiments	experiment	NNS
4520	167	14	in	in	IN
4520	167	15	federated	federated	NNP
4520	167	16	search.45	search.45	NNP
4520	167	17	The	the	DT
4520	167	18	search	search	NN
4520	167	19	sources	source	NNS
4520	167	20	were	be	VBD
4520	167	21	mostly	mostly	RB
4520	167	22	OpenSearch	OpenSearch	NNP
4520	167	23	-	-	HYPH
4520	167	24	compliant	compliant	JJ
4520	167	25	search	search	NN
4520	167	26	engines	engine	NNS
4520	167	27	.	.	.
4520	168	1	An	an	DT
4520	168	2	additional	additional	JJ
4520	168	3	tool	tool	NN
4520	168	4	scrapes	scrape	NNS
4520	168	5	results	result	NNS
4520	168	6	from	from	IN
4520	168	7	noncompliant	noncompliant	JJ
4520	168	8	systems	system	NNS
4520	168	9	.	.	.
4520	169	1	InterSynd	InterSynd	NNP
4520	169	2	uses	use	VBZ
4520	169	3	OpenSearch	OpenSearch	NNP
4520	169	4	to	to	TO
4520	169	5	help	help	VB
4520	169	6	provide	provide	VB
4520	169	7	a	a	DT
4520	169	8	common	common	JJ
4520	169	9	protocol	protocol	NN
4520	169	10	for	for	IN
4520	169	11	harvesting	harvesting	NN
4520	169	12	web	web	NN
4520	169	13	feeds	feed	VBZ
4520	169	14	.	.	.
4520	170	1	InterSynd	InterSynd	NNP
4520	170	2	is	be	VBZ
4520	170	3	a	a	DT
4520	170	4	syndication	syndication	NN
4520	170	5	system	system	NN
4520	170	6	that	that	WDT
4520	170	7	harvests	harvest	VBZ
4520	170	8	,	,	,
4520	170	9	stores	store	NNS
4520	170	10	,	,	,
4520	170	11	and	and	CC
4520	170	12	provides	provide	VBZ
4520	170	13	feed	feed	NN
4520	170	14	recommendations.36	recommendations.36	NNP
4520	170	15	It	-PRON-	PRP
4520	170	16	uses	use	VBZ
4520	170	17	Java.net	java.net	NN
4520	170	18	’s	’s	NN
4520	170	19	ROME	ROME	NNP
4520	170	20	(	(	-LRB-
4520	170	21	RSS	RSS	NNP
4520	170	22	and	and	CC
4520	170	23	atOM	atom	RB
4520	170	24	utilitiEs	utilities	PRP$
4520	170	25	)	)	-RRB-
4520	170	26	library	library	NN
4520	170	27	to	to	TO
4520	170	28	represent	represent	VB
4520	170	29	feeds	feed	NNS
4520	170	30	in	in	IN
4520	170	31	a	a	DT
4520	170	32	format	format	NN
4520	170	33	-	-	HYPH
4520	170	34	neutral	neutral	JJ
4520	170	35	way	way	NN
4520	170	36	.	.	.
4520	171	1	INFORMATION	INFORMATION	NNP
4520	171	2	TECHNOLOGY	technology	NN
4520	171	3	AND	and	CC
4520	171	4	LIBRARIES	library	NNS
4520	171	5	|	|	NNP
4520	171	6	JUNE	JUNE	NNP
4520	171	7	2014	2014	CD
4520	171	8	53	53	CD
4520	171	9	InterSynd	InterSynd	NNP
4520	171	10	is	be	VBZ
4520	171	11	syndication	syndication	NN
4520	171	12	middleware	middleware	NN
4520	171	13	that	that	WDT
4520	171	14	allows	allow	VBZ
4520	171	15	sources	source	NNS
4520	171	16	to	to	TO
4520	171	17	post	post	VB
4520	171	18	and	and	CC
4520	171	19	services	service	NNS
4520	171	20	to	to	TO
4520	171	21	fetch	fetch	VB
4520	171	22	information	information	NN
4520	171	23	in	in	IN
4520	171	24	all	all	DT
4520	171	25	major	major	JJ
4520	171	26	syndication	syndication	NN
4520	171	27	formats	format	NNS
4520	171	28	(	(	-LRB-
4520	171	29	see	see	VB
4520	171	30	figure	figure	NN
4520	171	31	2	2	CD
4520	171	32	)	)	-RRB-
4520	171	33	.	.	.
4520	172	1	Its	-PRON-	PRP$
4520	172	2	feed	feed	NN
4520	172	3	-	-	HYPH
4520	172	4	discovery	discovery	NN
4520	172	5	module	module	NN
4520	172	6	,	,	,
4520	172	7	Disco	Disco	NNP
4520	172	8	,	,	,
4520	172	9	uses	use	VBZ
4520	172	10	the	the	DT
4520	172	11	Nutch	Nutch	NNP
4520	172	12	crawler	crawler	NN
4520	172	13	and	and	CC
4520	172	14	the	the	DT
4520	172	15	OpenSearch	OpenSearch	NNP
4520	172	16	protocol	protocol	NN
4520	172	17	to	to	IN
4520	172	18	harvest	harvest	NN
4520	172	19	feeds	feed	VBZ
4520	172	20	.	.	.
4520	173	1	Nutch	Nutch	NNP
4520	173	2	is	be	VBZ
4520	173	3	an	an	DT
4520	173	4	open	open	JJ
4520	173	5	-	-	HYPH
4520	173	6	source	source	NN
4520	173	7	library	library	NN
4520	173	8	for	for	IN
4520	173	9	building	build	VBG
4520	173	10	search	search	NN
4520	173	11	engines	engine	NNS
4520	173	12	that	that	WDT
4520	173	13	supports	support	VBZ
4520	173	14	OpenSearch	OpenSearch	NNP
4520	173	15	.	.	.
4520	174	1	Nutch	Nutch	NNP
4520	174	2	builds	build	VBZ
4520	174	3	on	on	IN
4520	174	4	the	the	DT
4520	174	5	Lucene	Lucene	NNP
4520	174	6	information	information	NN
4520	174	7	retrieval	retrieval	NN
4520	174	8	library	library	NN
4520	174	9	,	,	,
4520	174	10	adding	add	VBG
4520	174	11	web	web	NN
4520	174	12	-	-	HYPH
4520	174	13	specifics	specific	NNS
4520	174	14	,	,	,
4520	174	15	such	such	JJ
4520	174	16	as	as	IN
4520	174	17	a	a	DT
4520	174	18	crawler	crawler	NN
4520	174	19	,	,	,
4520	174	20	a	a	DT
4520	174	21	link	link	NN
4520	174	22	-	-	HYPH
4520	174	23	graph	graph	NN
4520	174	24	database	database	NN
4520	174	25	,	,	,
4520	174	26	and	and	CC
4520	174	27	parsers	parser	NNS
4520	174	28	for	for	IN
4520	174	29	HTML	html	NN
4520	174	30	.	.	.
4520	175	1	Figure	figure	NN
4520	175	2	2	2	CD
4520	175	3	.	.	.
4520	176	1	OpenSeach	OpenSeach	NNP
4520	176	2	in	in	IN
4520	176	3	InterSynd	InterSynd	NNP
4520	176	4	.	.	.
4520	177	1	OpenSearch	OpenSearch	NNP
4520	177	2	1.1	1.1	CD
4520	177	3	allows	allow	VBZ
4520	177	4	returned	return	VBD
4520	177	5	results	result	NNS
4520	177	6	in	in	IN
4520	177	7	either	either	DT
4520	177	8	RSS	RSS	NNP
4520	177	9	2.0	2.0	CD
4520	177	10	or	or	CC
4520	177	11	Atom	atom	NN
4520	177	12	1.0	1.0	CD
4520	177	13	format	format	NN
4520	177	14	or	or	CC
4520	177	15	an	an	DT
4520	177	16	OpenSearch	OpenSearch	NNP
4520	177	17	format	format	NN
4520	177	18	,	,	,
4520	177	19	the	the	DT
4520	177	20	“	"	``
4520	177	21	bare	bare	JJ
4520	177	22	minimum	minimum	NN
4520	177	23	of	of	IN
4520	177	24	additional	additional	JJ
4520	177	25	functionality	functionality	NN
4520	177	26	required	require	VBN
4520	177	27	to	to	TO
4520	177	28	provide	provide	VB
4520	177	29	search	search	NN
4520	177	30	results	result	NNS
4520	177	31	over	over	IN
4520	177	32	RSS	RSS	NNP
4520	177	33	channels	channel	NNS
4520	177	34	”	"	''
4520	177	35	(	(	-LRB-
4520	177	36	quoted	quote	VBN
4520	177	37	from	from	IN
4520	177	38	A9	A9	NNP
4520	177	39	Website	Website	NNP
4520	177	40	)	)	-RRB-
4520	177	41	.	.	.
4520	178	1	Listing	list	VBG
4520	178	2	2	2	CD
4520	178	3	below	below	RB
4520	178	4	shows	show	VBZ
4520	178	5	a	a	DT
4520	178	6	Disco	Disco	NNP
4520	178	7	results	result	NNS
4520	178	8	list	list	NN
4520	178	9	in	in	IN
4520	178	10	RSS	RSS	NNP
4520	178	11	2.0	2.0	CD
4520	178	12	format	format	NN
4520	178	13	.	.	.
4520	179	1	OpenSearch	OpenSearch	NNP
4520	179	2	fields	field	NNS
4520	179	3	appear	appear	VBP
4520	179	4	in	in	IN
4520	179	5	the	the	DT
4520	179	6	channel	channel	NNP
4520	179	7	description	description	NN
4520	179	8	.	.	.
4520	180	1	The	the	DT
4520	180	2	Nutch	Nutch	NNP
4520	180	3	fields	field	NNS
4520	180	4	appear	appear	VBP
4520	180	5	within	within	IN
4520	180	6	each	each	DT
4520	180	7	item	item	NN
4520	180	8	(	(	-LRB-
4520	180	9	not	not	RB
4520	180	10	shown	show	VBN
4520	180	11	)	)	-RRB-
4520	180	12	.	.	.
4520	181	1	An	an	DT
4520	181	2	OpenSearch	OpenSearch	NNP
4520	181	3	namespace	namespace	NN
4520	181	4	is	be	VBZ
4520	181	5	specified	specify	VBN
4520	181	6	in	in	IN
4520	181	7	the	the	DT
4520	181	8	opening	opening	NN
4520	181	9	<	<	XX
4520	181	10	rss	rss	NNP
4520	181	11	>	>	NN
4520	181	12	XML	xml	NN
4520	181	13	element	element	NN
4520	181	14	.	.	.
4520	182	1	The	the	DT
4520	182	2	following	follow	VBG
4520	182	3	additional	additional	JJ
4520	182	4	OpenSearch	OpenSearch	NNP
4520	182	5	elements	element	NNS
4520	182	6	appear	appear	VBP
4520	182	7	in	in	IN
4520	182	8	the	the	DT
4520	182	9	example	example	NN
4520	182	10	:	:	:
4520	182	11	totalResults	totalresult	NNS
4520	182	12	,	,	,
4520	182	13	itemsPerPage	itemsperpage	NN
4520	182	14	and	and	CC
4520	182	15	startIndex	startindex	NN
4520	182	16	.	.	.
4520	183	1	<	<	XX
4520	183	2	?	?	.
4520	183	3	xml	xml	NNP
4520	183	4	version="1.0	version="1.0	NNP
4520	183	5	"	"	``
4520	183	6	encoding="UTF-8	encoding="UTF-8	NNP
4520	183	7	"	"	''
4520	183	8	?	?	.
4520	183	9	>	>	XX
4520	183	10	<	<	XX
4520	183	11	rss	rss	NNP
4520	183	12	version="2.0	version="2.0	NNP
4520	183	13	"	"	``
4520	183	14	xmlns	xmln	NNS
4520	183	15	:	:	:
4520	183	16	nutch="http://www.nutch.org	nutch="http://www.nutch.org	NNP
4520	183	17	/	/	SYM
4520	183	18	opensearchrss/1.0/	opensearchrss/1.0/	FW
4520	183	19	"	"	``
4520	183	20	xmlns	xmln	NNS
4520	183	21	:	:	:
4520	183	22	opensearch="http://a9.com/-/spec	opensearch="http://a9.com/-/spec	JJ
4520	183	23	/	/	SYM
4520	183	24	opensearch/1.1/	opensearch/1.1/	UH
4520	183	25	"	"	''
4520	183	26	>	>	XX
4520	183	27	<	<	XX
4520	183	28	channel	channel	NNP
4520	183	29	>	>	XX
4520	183	30	<	<	XX
4520	183	31	title	title	NN
4520	183	32	>	>	XX
4520	183	33	Nutch	Nutch	NNP
4520	183	34	:	:	:
4520	183	35	metasearch</title	metasearch</title	.
4520	183	36	>	>	XX
4520	183	37	<	<	XX
4520	183	38	description	description	NN
4520	183	39	>	>	NN
4520	183	40	Nutch	Nutch	NNP
4520	183	41	search	search	NN
4520	183	42	results	result	NNS
4520	183	43	for	for	IN
4520	183	44	query	query	NN
4520	183	45	:	:	:
4520	183	46	metasearch</description	metasearch</description	NNP
4520	183	47	>	>	XX
4520	183	48	<	<	XX
4520	183	49	link	link	VBP
4520	183	50	>	>	XX
4520	183	51	http://localhost	http://localhost	XX
4520	183	52	/	/	SYM
4520	183	53	nutch-1.6-	nutch-1.6-	NNP
4520	183	54	dev	dev	NNP
4520	183	55	/	/	SYM
4520	183	56	opensearch?query	opensearch?query	.
4520	183	57	=	=	SYM
4520	183	58	metasearch&amp;start=0&amp;hitsPerSite=2&amp;hitsPerPage=10</link	metasearch&amp;start=0&amp;hitsPerSite=2&amp;hitsPerPage=10</link	.
4520	183	59	>	>	NNP
4520	183	60	<	<	XX
4520	183	61	opensearch	opensearch	NN
4520	183	62	:	:	:
4520	183	63	totalResults>282</opensearch	totalresults>282</opensearch	NN
4520	183	64	:	:	:
4520	183	65	totalResults	totalresult	NNS
4520	183	66	>	>	XX
4520	183	67	<	<	XX
4520	183	68	opensearch	opensearch	NN
4520	183	69	:	:	:
4520	183	70	startIndex>0</opensearch	startindex>0</opensearch	NN
4520	183	71	:	:	:
4520	183	72	startIndex	startIndex	NNP
4520	183	73	>	>	XX
4520	183	74	<	<	XX
4520	183	75	opensearch	opensearch	NN
4520	183	76	:	:	:
4520	183	77	itemsPerPage>10</opensearch	itemsperpage>10</opensearch	XX
4520	183	78	:	:	:
4520	183	79	itemsPerPage	itemsperpage	NN
4520	183	80	>	>	XX
4520	183	81	<	<	XX
4520	183	82	nutch	nutch	NNP
4520	183	83	:	:	:
4520	183	84	query	query	NNP
4520	183	85	>	>	XX
4520	183	86	metasearch</nutch	metasearch</nutch	XX
4520	183	87	:	:	:
4520	183	88	query	query	NN
4520	183	89	>	>	XX
4520	183	90	<	<	XX
4520	183	91	item	item	NNP
4520	183	92	>	>	XX
4520	183	93	cut	cut	XX
4520	183	94	...	...	NFP
4520	183	95	<	<	XX
4520	183	96	/item	/item	.
4520	183	97	>	>	XX
4520	183	98	more	more	JJR
4520	183	99	items	item	NNS
4520	183	100	cut	cut	VBD
4520	183	101	...	...	NFP
4520	183	102	<	<	XX
4520	183	103	/channel	/channel	,
4520	183	104	>	>	XX
4520	183	105	<	<	XX
4520	183	106	/rss	/rss	NFP
4520	183	107	>	>	XX
4520	183	108	Listing	list	VBG
4520	183	109	2	2	CD
4520	183	110	.	.	.
4520	184	1	Results	result	NNS
4520	184	2	Produced	produce	VBN
4520	184	3	using	use	VBG
4520	184	4	Nutch	Nutch	NNP
4520	184	5	with	with	IN
4520	184	6	OpenSearch	OpenSearch	NNP
4520	184	7	.	.	.
4520	185	1	OPEN	open	JJ
4520	185	2	SEARCH	search	NN
4520	185	3	ENVIRONMENTS	environment	NNS
4520	185	4	:	:	:
4520	185	5	THE	the	DT
4520	185	6	FREE	free	JJ
4520	185	7	ALTERNATIVE	alternative	NN
4520	185	8	TO	to	IN
4520	185	9	COMMERCIAL	commercial	JJ
4520	185	10	SEARCH	SEARCH	NNP
4520	185	11	SERVICES	SERVICES	NNP
4520	185	12	|	|	CD
4520	185	13	O’RIORDAN	O’RIORDAN	NNP
4520	185	14	54	54	CD
4520	185	15	We	-PRON-	PRP
4520	185	16	mention	mention	VBP
4520	185	17	one	one	CD
4520	185	18	more	more	JJR
4520	185	19	application	application	NN
4520	185	20	of	of	IN
4520	185	21	OpenSearch	OpenSearch	NNP
4520	185	22	here	here	RB
4520	185	23	.	.	.
4520	186	1	A	a	DT
4520	186	2	series	series	NN
4520	186	3	of	of	IN
4520	186	4	NASA	NASA	NNP
4520	186	5	projects	project	NNS
4520	186	6	to	to	TO
4520	186	7	develop	develop	VB
4520	186	8	a	a	DT
4520	186	9	set	set	NN
4520	186	10	of	of	IN
4520	186	11	interoperable	interoperable	JJ
4520	186	12	standards	standard	NNS
4520	186	13	for	for	IN
4520	186	14	sharing	share	VBG
4520	186	15	information	information	NN
4520	186	16	employs	employ	VBZ
4520	186	17	various	various	JJ
4520	186	18	open	open	JJ
4520	186	19	technologies	technology	NNS
4520	186	20	for	for	IN
4520	186	21	sharing	share	VBG
4520	186	22	and	and	CC
4520	186	23	disseminating	disseminate	VBG
4520	186	24	datasets	dataset	NNS
4520	186	25	including	include	VBG
4520	186	26	OpenSearch	OpenSearch	NNP
4520	186	27	for	for	IN
4520	186	28	its	-PRON-	PRP$
4520	186	29	discovery	discovery	NN
4520	186	30	capability.46	capability.46	NNP
4520	186	31	Discovery	Discovery	NNP
4520	186	32	of	of	IN
4520	186	33	document	document	NN
4520	186	34	and	and	CC
4520	186	35	data	datum	NNS
4520	186	36	collections	collection	NNS
4520	186	37	is	be	VBZ
4520	186	38	by	by	IN
4520	186	39	keyword	keyword	NNP
4520	186	40	search	search	NN
4520	186	41	,	,	,
4520	186	42	using	use	VBG
4520	186	43	the	the	DT
4520	186	44	OpenSearch	OpenSearch	NNP
4520	186	45	protocol	protocol	NN
4520	186	46	.	.	.
4520	187	1	There	there	EX
4520	187	2	are	be	VBP
4520	187	3	various	various	JJ
4520	187	4	extensions	extension	NNS
4520	187	5	to	to	IN
4520	187	6	OpenSearch	OpenSearch	NNP
4520	187	7	.	.	.
4520	188	1	For	for	IN
4520	188	2	example	example	NN
4520	188	3	,	,	,
4520	188	4	an	an	DT
4520	188	5	extension	extension	NN
4520	188	6	to	to	TO
4520	188	7	handle	handle	VB
4520	188	8	SRU	SRU	NNP
4520	188	9	allows	allow	VBZ
4520	188	10	SRU	SRU	NNP
4520	188	11	(	(	-LRB-
4520	188	12	Search	Search	NNP
4520	188	13	and	and	CC
4520	188	14	Retrieval	Retrieval	NNP
4520	188	15	via	via	IN
4520	188	16	URL	URL	NNP
4520	188	17	)	)	-RRB-
4520	188	18	queries	query	NNS
4520	188	19	within	within	IN
4520	188	20	OpenSearch	OpenSearch	NNP
4520	188	21	contexts	contexts	NN
4520	188	22	.	.	.
4520	189	1	Other	other	JJ
4520	189	2	proposed	propose	VBN
4520	189	3	extensions	extension	NNS
4520	189	4	include	include	VBP
4520	189	5	support	support	NN
4520	189	6	for	for	IN
4520	189	7	mobility	mobility	NN
4520	189	8	,	,	,
4520	189	9	e	e	NNP
4520	189	10	-	-	NN
4520	189	11	commerce	commerce	NNP
4520	189	12	,	,	,
4520	189	13	and	and	CC
4520	189	14	geo	geo	NN
4520	189	15	-	-	HYPH
4520	189	16	location	location	NN
4520	189	17	.	.	.
4520	190	1	SRU	SRU	NNP
4520	190	2	(	(	-LRB-
4520	190	3	Search	Search	NNP
4520	190	4	/	/	SYM
4520	190	5	Retrieval	Retrieval	NNP
4520	190	6	via	via	IN
4520	190	7	URL	URL	NNP
4520	190	8	)	)	-RRB-
4520	190	9	A	a	DT
4520	190	10	technology	technology	NN
4520	190	11	with	with	IN
4520	190	12	some	some	DT
4520	190	13	similarities	similarity	NNS
4520	190	14	to	to	IN
4520	190	15	OpenSearch	OpenSearch	NNP
4520	190	16	but	but	CC
4520	190	17	more	more	RBR
4520	190	18	comprehensive	comprehensive	JJ
4520	190	19	is	be	VBZ
4520	190	20	SRU	SRU	NNP
4520	190	21	(	(	-LRB-
4520	190	22	Search	Search	NNP
4520	190	23	/	/	SYM
4520	190	24	Retrieval	Retrieval	NNP
4520	190	25	via	via	IN
4520	190	26	URL).47	URL).47	.
4520	190	27	SRU	SRU	NNP
4520	190	28	is	be	VBZ
4520	190	29	an	an	DT
4520	190	30	open	open	JJ
4520	190	31	RESTful	restful	JJ
4520	190	32	technology	technology	NN
4520	190	33	for	for	IN
4520	190	34	web	web	NN
4520	190	35	search	search	NN
4520	190	36	.	.	.
4520	191	1	The	the	DT
4520	191	2	current	current	JJ
4520	191	3	version	version	NN
4520	191	4	is	be	VBZ
4520	191	5	SRU	SRU	NNP
4520	191	6	2.0	2.0	CD
4520	191	7	,	,	,
4520	191	8	standardized	standardize	VBN
4520	191	9	by	by	IN
4520	191	10	the	the	DT
4520	191	11	Organization	Organization	NNP
4520	191	12	for	for	IN
4520	191	13	the	the	DT
4520	191	14	Advancement	Advancement	NNP
4520	191	15	of	of	IN
4520	191	16	Structured	Structured	NNP
4520	191	17	Information	Information	NNP
4520	191	18	Standards	Standards	NNPS
4520	191	19	(	(	-LRB-
4520	191	20	OASIS	OASIS	NNP
4520	191	21	)	)	-RRB-
4520	191	22	as	as	IN
4520	191	23	searchRetrieve	searchretrieve	VB
4520	191	24	.	.	.
4520	192	1	Version	version	NN
4520	192	2	1.0	1.0	CD
4520	192	3	.	.	.
4520	193	1	SRU	SRU	NNP
4520	193	2	was	be	VBD
4520	193	3	developed	develop	VBN
4520	193	4	to	to	TO
4520	193	5	provide	provide	VB
4520	193	6	functionality	functionality	NN
4520	193	7	similar	similar	JJ
4520	193	8	to	to	IN
4520	193	9	the	the	DT
4520	193	10	widely	widely	RB
4520	193	11	deployed	deploy	VBN
4520	193	12	Z39.50	z39.50	NN
4520	193	13	standard	standard	NN
4520	193	14	for	for	IN
4520	193	15	library	library	NNP
4520	193	16	information	information	NN
4520	193	17	retrieval	retrieval	NN
4520	193	18	updated	update	VBN
4520	193	19	for	for	IN
4520	193	20	the	the	DT
4520	193	21	web	web	NN
4520	193	22	age.48	age.48	NNP
4520	193	23	SRU	SRU	NNP
4520	193	24	addresses	address	NNS
4520	193	25	aspect	aspect	VBP
4520	193	26	of	of	IN
4520	193	27	search	search	NN
4520	193	28	and	and	CC
4520	193	29	retrieval	retrieval	NN
4520	193	30	by	by	IN
4520	193	31	defining	define	VBG
4520	193	32	models	model	NNS
4520	193	33	:	:	:
4520	193	34	a	a	DT
4520	193	35	data	data	NN
4520	193	36	model	model	NN
4520	193	37	,	,	,
4520	193	38	a	a	DT
4520	193	39	query	query	NN
4520	193	40	model	model	NN
4520	193	41	,	,	,
4520	193	42	and	and	CC
4520	193	43	processing	processing	NN
4520	193	44	model	model	NN
4520	193	45	,	,	,
4520	193	46	a	a	DT
4520	193	47	result	result	NN
4520	193	48	set	set	NN
4520	193	49	model	model	NN
4520	193	50	,	,	,
4520	193	51	a	a	DT
4520	193	52	diagnostics	diagnostic	NNS
4520	193	53	model	model	NN
4520	193	54	and	and	CC
4520	193	55	a	a	DT
4520	193	56	description	description	NN
4520	193	57	-	-	HYPH
4520	193	58	and	and	CC
4520	193	59	-	-	HYPH
4520	193	60	discovery	discovery	NN
4520	193	61	model	model	NN
4520	193	62	.	.	.
4520	194	1	SRU	SRU	NNP
4520	194	2	is	be	VBZ
4520	194	3	extensible	extensible	JJ
4520	194	4	and	and	CC
4520	194	5	can	can	MD
4520	194	6	support	support	VB
4520	194	7	various	various	JJ
4520	194	8	underlying	underlying	JJ
4520	194	9	low	low	JJ
4520	194	10	-	-	HYPH
4520	194	11	level	level	NN
4520	194	12	technologies	technology	NNS
4520	194	13	.	.	.
4520	195	1	Both	both	DT
4520	195	2	Lucene	Lucene	NNP
4520	195	3	and	and	CC
4520	195	4	DSpace	DSpace	NNP
4520	195	5	implementations	implementation	NNS
4520	195	6	are	be	VBP
4520	195	7	available	available	JJ
4520	195	8	.	.	.
4520	196	1	The	the	DT
4520	196	2	OCLC	oclc	NN
4520	196	3	implementation	implementation	NN
4520	196	4	of	of	IN
4520	196	5	SRU	SRU	NNP
4520	196	6	supports	support	VBZ
4520	196	7	both	both	CC
4520	196	8	RSS	RSS	NNP
4520	196	9	and	and	CC
4520	196	10	Atom	Atom	NNP
4520	196	11	feed	feed	NN
4520	196	12	formats	format	NNS
4520	196	13	and	and	CC
4520	196	14	the	the	DT
4520	196	15	Atom	Atom	NNP
4520	196	16	Publishing	Publishing	NNP
4520	196	17	Protocol	Protocol	NNP
4520	196	18	.	.	.
4520	197	1	SRU	SRU	NNP
4520	197	2	uses	use	VBZ
4520	197	3	HTTP	HTTP	NNP
4520	197	4	as	as	IN
4520	197	5	the	the	DT
4520	197	6	application	application	NN
4520	197	7	transport	transport	NN
4520	197	8	and	and	CC
4520	197	9	XML	xml	NN
4520	197	10	formats	format	NNS
4520	197	11	for	for	IN
4520	197	12	messages	message	NNS
4520	197	13	.	.	.
4520	198	1	Requests	request	NNS
4520	198	2	can	can	MD
4520	198	3	be	be	VB
4520	198	4	in	in	IN
4520	198	5	the	the	DT
4520	198	6	form	form	NN
4520	198	7	of	of	IN
4520	198	8	either	either	CC
4520	198	9	GET	get	VB
4520	198	10	or	or	CC
4520	198	11	POST	post	JJ
4520	198	12	HTTP	HTTP	VBN
4520	198	13	methods	method	NNS
4520	198	14	.	.	.
4520	199	1	SRU	SRU	NNP
4520	199	2	supports	support	VBZ
4520	199	3	a	a	DT
4520	199	4	high	high	JJ
4520	199	5	-	-	HYPH
4520	199	6	level	level	NN
4520	199	7	query	query	NN
4520	199	8	language	language	NN
4520	199	9	called	call	VBN
4520	199	10	Contextual	Contextual	NNP
4520	199	11	Query	Query	NNP
4520	199	12	Language	Language	NNP
4520	199	13	(	(	-LRB-
4520	199	14	CQL	CQL	NNP
4520	199	15	)	)	-RRB-
4520	199	16	.	.	.
4520	200	1	CQL	CQL	NNP
4520	200	2	is	be	VBZ
4520	200	3	a	a	DT
4520	200	4	human	human	JJ
4520	200	5	-	-	HYPH
4520	200	6	readable	readable	JJ
4520	200	7	query	query	NN
4520	200	8	language	language	NN
4520	200	9	consisting	consist	VBG
4520	200	10	of	of	IN
4520	200	11	search	search	NN
4520	200	12	clauses	clause	NNS
4520	200	13	.	.	.
4520	201	1	SRU	SRU	NNP
4520	201	2	operation	operation	NN
4520	201	3	involves	involve	VBZ
4520	201	4	three	three	CD
4520	201	5	parts	part	NNS
4520	201	6	:	:	:
4520	201	7	Explain	explain	VB
4520	201	8	,	,	,
4520	201	9	Search	Search	NNP
4520	201	10	/	/	SYM
4520	201	11	Retrieve	Retrieve	NNP
4520	201	12	and	and	CC
4520	201	13	Scan	Scan	NNP
4520	201	14	.	.	.
4520	202	1	Explain	Explain	NNP
4520	202	2	is	be	VBZ
4520	202	3	a	a	DT
4520	202	4	way	way	NN
4520	202	5	to	to	TO
4520	202	6	publish	publish	VB
4520	202	7	resource	resource	NN
4520	202	8	descriptions	description	NNS
4520	202	9	.	.	.
4520	203	1	Search	Search	NNP
4520	203	2	/	/	SYM
4520	203	3	Retrieve	Retrieve	NNP
4520	203	4	entails	entail	VBZ
4520	203	5	the	the	DT
4520	203	6	sending	sending	NN
4520	203	7	of	of	IN
4520	203	8	requests	request	NNS
4520	203	9	(	(	-LRB-
4520	203	10	formulated	formulate	VBN
4520	203	11	in	in	IN
4520	203	12	CQL	CQL	NNP
4520	203	13	)	)	-RRB-
4520	203	14	and	and	CC
4520	203	15	the	the	DT
4520	203	16	receiving	receiving	NN
4520	203	17	of	of	IN
4520	203	18	responses	response	NNS
4520	203	19	over	over	IN
4520	203	20	HTTP	HTTP	NNP
4520	203	21	.	.	.
4520	204	1	The	the	DT
4520	204	2	optional	optional	JJ
4520	204	3	SRU	SRU	NNP
4520	204	4	Scan	Scan	NNP
4520	204	5	enables	enable	VBZ
4520	204	6	software	software	NN
4520	204	7	to	to	TO
4520	204	8	query	query	VB
4520	204	9	the	the	DT
4520	204	10	index	index	NN
4520	204	11	.	.	.
4520	205	1	The	the	DT
4520	205	2	result	result	NN
4520	205	3	list	list	NN
4520	205	4	is	be	VBZ
4520	205	5	in	in	IN
4520	205	6	XML	XML	NNP
4520	205	7	Schema	Schema	NNP
4520	205	8	format	format	NN
4520	205	9	.	.	.
4520	206	1	The	the	DT
4520	206	2	meta	meta	JJ
4520	206	3	-	-	HYPH
4520	206	4	search	search	NN
4520	206	5	service	service	NN
4520	206	6	MXG	MXG	NNP
4520	206	7	uses	use	VBZ
4520	206	8	SRU	SRU	NNP
4520	206	9	,	,	,
4520	206	10	but	but	CC
4520	206	11	relaxes	relax	VBZ
4520	206	12	the	the	DT
4520	206	13	requirement	requirement	NN
4520	206	14	to	to	TO
4520	206	15	use	use	VB
4520	206	16	CQL.39	CQL.39	NNP
4520	206	17	SRW	srw	NN
4520	206	18	(	(	-LRB-
4520	206	19	Search	Search	NNP
4520	206	20	/	/	SYM
4520	206	21	Retrieve	Retrieve	NNP
4520	206	22	Web	Web	NNP
4520	206	23	Service	Service	NNP
4520	206	24	)	)	-RRB-
4520	206	25	is	be	VBZ
4520	206	26	a	a	DT
4520	206	27	web	web	NN
4520	206	28	services	service	NNS
4520	206	29	implementation	implementation	NN
4520	206	30	of	of	IN
4520	206	31	SRU	SRU	NNP
4520	206	32	that	that	WDT
4520	206	33	uses	use	VBZ
4520	206	34	SOAP	SOAP	NNS
4520	206	35	as	as	IN
4520	206	36	the	the	DT
4520	206	37	transfer	transfer	NN
4520	206	38	mechanism	mechanism	NN
4520	206	39	.	.	.
4520	207	1	Hammond	Hammond	NNP
4520	207	2	combines	combine	VBZ
4520	207	3	OpenSearch	OpenSearch	NNP
4520	207	4	with	with	IN
4520	207	5	SRU	SRU	NNP
4520	207	6	technology	technology	NN
4520	207	7	in	in	IN
4520	207	8	an	an	DT
4520	207	9	application	application	NN
4520	207	10	for	for	IN
4520	207	11	nature	nature	NN
4520	207	12	publishers.49	publishers.49	NNP
4520	207	13	He	-PRON-	PRP
4520	207	14	also	also	RB
4520	207	15	points	point	VBZ
4520	207	16	out	out	RP
4520	207	17	the	the	DT
4520	207	18	main	main	JJ
4520	207	19	differences	difference	NNS
4520	207	20	between	between	IN
4520	207	21	the	the	DT
4520	207	22	protocols	protocol	NNS
4520	207	23	such	such	JJ
4520	207	24	as	as	IN
4520	207	25	SRU	SRU	NNP
4520	207	26	’s	’s	POS
4520	207	27	use	use	NN
4520	207	28	of	of	IN
4520	207	29	a	a	DT
4520	207	30	query	query	NN
4520	207	31	specification	specification	NN
4520	207	32	language	language	NN
4520	207	33	and	and	CC
4520	207	34	differences	difference	NNS
4520	207	35	in	in	IN
4520	207	36	the	the	DT
4520	207	37	results	result	NNS
4520	207	38	records	record	NNS
4520	207	39	.	.	.
4520	208	1	As	as	RB
4520	208	2	well	well	RB
4520	208	3	as	as	IN
4520	208	4	supporting	support	VBG
4520	208	5	OpenSearch	OpenSearch	NNP
4520	208	6	data	datum	NNS
4520	208	7	formats	format	NNS
4520	208	8	(	(	-LRB-
4520	208	9	RSS	RSS	NNP
4520	208	10	and	and	CC
4520	208	11	Atom	Atom	NNP
4520	208	12	)	)	-RRB-
4520	208	13	,	,	,
4520	208	14	the	the	DT
4520	208	15	nature	nature	NN
4520	208	16	application	application	NN
4520	208	17	also	also	RB
4520	208	18	supports	support	VBZ
4520	208	19	JSON	JSON	NNP
4520	208	20	(	(	-LRB-
4520	208	21	Javascript	Javascript	NNP
4520	208	22	Object	Object	NNP
4520	208	23	Notation	Notation	NNP
4520	208	24	)	)	-RRB-
4520	208	25	.	.	.
4520	209	1	OpenSearch	OpenSearch	NNP
4520	209	2	is	be	VBZ
4520	209	3	used	use	VBN
4520	209	4	for	for	IN
4520	209	5	formatting	format	VBG
4520	209	6	the	the	DT
4520	209	7	result	result	NN
4520	209	8	sets	set	NNS
4520	209	9	whereas	whereas	IN
4520	209	10	SRU	SRU	NNP
4520	209	11	/	/	SYM
4520	209	12	CQL	CQL	NNP
4520	209	13	is	be	VBZ
4520	209	14	used	use	VBN
4520	209	15	for	for	IN
4520	209	16	querying	querying	NN
4520	209	17	.	.	.
4520	210	1	This	this	DT
4520	210	2	search	search	NN
4520	210	3	application	application	NN
4520	210	4	launched	launch	VBD
4520	210	5	as	as	IN
4520	210	6	a	a	DT
4520	210	7	public	public	JJ
4520	210	8	service	service	NN
4520	210	9	in	in	IN
4520	210	10	2009	2009	CD
4520	210	11	.	.	.
4520	211	1	Listing	list	VBG
4520	211	2	3	3	CD
4520	211	3	below	below	RB
4520	211	4	is	be	VBZ
4520	211	5	an	an	DT
4520	211	6	example	example	NN
4520	211	7	from	from	IN
4520	211	8	the	the	DT
4520	211	9	nature	nature	NN
4520	211	10	application	application	NN
4520	211	11	showing	show	VBG
4520	211	12	CQL	CQL	NNP
4520	211	13	search	search	NN
4520	211	14	queries	query	NNS
4520	211	15	(	(	-LRB-
4520	211	16	<	<	XX
4520	211	17	Query	Query	NNP
4520	211	18	>	>	NN
4520	211	19	tags	tag	NNS
4520	211	20	)	)	-RRB-
4520	211	21	used	use	VBN
4520	211	22	in	in	IN
4520	211	23	an	an	DT
4520	211	24	OpenSearch	OpenSearch	NNP
4520	211	25	description	description	NN
4520	211	26	document	document	NN
4520	211	27	.	.	.
4520	212	1	Note	note	VB
4520	212	2	how	how	WRB
4520	212	3	both	both	PDT
4520	212	4	the	the	DT
4520	212	5	SRU	SRU	NNP
4520	212	6	queryType	querytype	NN
4520	212	7	and	and	CC
4520	212	8	the	the	DT
4520	212	9	INFORMATION	INFORMATION	NNP
4520	212	10	TECHNOLOGY	TECHNOLOGY	NNP
4520	212	11	AND	and	CC
4520	212	12	LIBRARIES	LIBRARIES	NNP
4520	212	13	|	|	NNP
4520	212	14	JUNE	JUNE	NNP
4520	212	15	2014	2014	CD
4520	212	16	55	55	CD
4520	212	17	OpenSearch	OpenSearch	NNP
4520	212	18	searchTerms	searchterm	NNS
4520	212	19	attributes	attribute	NNS
4520	212	20	appear	appear	VBP
4520	212	21	in	in	IN
4520	212	22	the	the	DT
4520	212	23	query	query	NN
4520	212	24	.	.	.
4520	213	1	Further	further	JJ
4520	213	2	details	detail	NNS
4520	213	3	on	on	IN
4520	213	4	how	how	WRB
4520	213	5	to	to	TO
4520	213	6	use	use	VB
4520	213	7	SRU	SRU	NNP
4520	213	8	and	and	CC
4520	213	9	OpenSearch	OpenSearch	NNP
4520	213	10	together	together	RB
4520	213	11	are	be	VBP
4520	213	12	on	on	IN
4520	213	13	the	the	DT
4520	213	14	OpenSearch	OpenSearch	NNP
4520	213	15	Website	Website	NNP
4520	213	16	.	.	.
4520	214	1	<	<	XX
4520	214	2	?	?	.
4520	214	3	xml	xml	NNP
4520	214	4	version="1.0	version="1.0	NNP
4520	214	5	"	"	``
4520	214	6	encoding="UTF-8	encoding="UTF-8	NNP
4520	214	7	"	"	''
4520	214	8	?	?	.
4520	214	9	>	>	XX
4520	214	10	<	<	XX
4520	214	11	OpenSearchDescription	opensearchdescription	XX
4520	214	12	xmlns="http://a9.com/-/spec	xmlns="http://a9.com/-/spec	NNP
4520	214	13	/	/	SYM
4520	214	14	opensearch/1.1/	opensearch/1.1/	UH
4520	214	15	"	"	``
4520	214	16	xmlns	xmln	NNS
4520	214	17	:	:	:
4520	214	18	sru="http://a9.com/-/opensearch	sru="http://a9.com/-/opensearch	NNS
4520	214	19	/	/	SYM
4520	214	20	extensions	extension	NNS
4520	214	21	/	/	SYM
4520	214	22	sru/2.0/	sru/2.0/	NNP
4520	214	23	"	"	''
4520	214	24	>	>	XX
4520	214	25	<	<	XX
4520	214	26	ShortName	ShortName	NNP
4520	214	27	>	>	XX
4520	214	28	nature.com</ShortName	nature.com</shortname	FW
4520	214	29	>	>	XX
4520	214	30	<	<	XX
4520	214	31	LongName	LongName	NNP
4520	214	32	>	>	XX
4520	214	33	OpenSearch	OpenSearch	NNP
4520	214	34	interface	interface	NN
4520	214	35	for	for	IN
4520	214	36	nature.com</LongName	nature.com</LongName	NNP
4520	214	37	>	>	XX
4520	214	38	<	<	XX
4520	214	39	Description	Description	NNP
4520	214	40	>	>	XX
4520	214	41	The	the	DT
4520	214	42	nature.com	nature.com	NNP
4520	214	43	OpenSearch	OpenSearch	NNP
4520	214	44	service	service	NN
4520	214	45	<	<	XX
4520	214	46	/Description	/Description	NFP
4520	214	47	>	>	XX
4520	214	48	<	<	XX
4520	214	49	Tags	Tags	NNP
4520	214	50	>	>	XX
4520	214	51	nature.com	nature.com	NNP
4520	214	52	opensearch	opensearch	NN
4520	214	53	sru</Tags	sru</tags	XX
4520	214	54	>	>	XX
4520	214	55	<	<	XX
4520	214	56	!	!	.
4520	214	57	--	--	:
4520	214	58	URL	URL	NNP
4520	214	59	Template	Template	NNP
4520	214	60	for	for	IN
4520	214	61	SRU	SRU	NNP
4520	214	62	--	--	:
4520	214	63	>	>	XX
4520	214	64	<	<	XX
4520	214	65	Url	url	XX
4520	214	66	type="application	type="application	NN
4520	214	67	/	/	SYM
4520	214	68	sru+xml	sru+xml	NN
4520	214	69	"	"	``
4520	214	70	indexOffset="1	indexoffset="1	NN
4520	214	71	"	"	''
4520	214	72	template="http://www.nature.com	template="http://www.nature.com	NNP
4520	214	73	/	/	SYM
4520	214	74	opensearch	opensearch	NNP
4520	214	75	/	/	SYM
4520	214	76	request?version=1.1&operation	request?version=1.1&operation	NNP
4520	214	77	=	=	SYM
4520	214	78	searchRetrieve&quer	searchRetrieve&quer	:
4520	214	79	y={searchTerms}&queryType={sru	y={searchterms}&querytype={sru	NN
4520	214	80	:	:	:
4520	214	81	queryType	queryType	NNP
4520	214	82	?	?	.
4520	215	1	}	}	-RRB-
4520	215	2	&	&	CC
4520	215	3	httpAccept	httpAccept	NNP
4520	215	4	=	=	SYM
4520	215	5	application	application	NN
4520	215	6	/	/	SYM
4520	215	7	sru%2Bxml&startRecord={st	sru%2Bxml&startRecord={st	NNP
4520	215	8	artIndex?}&maximumRecords={count?}&sortKeys={sru	artIndex?}&maximumRecords={count?}&sortKeys={sru	NNP
4520	215	9	:	:	:
4520	215	10	sortKeys?}&stylesheet={sru	sortKeys?}&stylesheet={sru	NNP
4520	215	11	:	:	:
4520	215	12	stylesheet	stylesheet	NNP
4520	215	13	?	?	.
4520	216	1	}	}	-RRB-
4520	216	2	"	"	``
4520	216	3	/	/	NFP
4520	216	4	>	>	XX
4520	216	5	<	<	XX
4520	216	6	!	!	.
4520	216	7	--	--	NFP
4520	216	8	Example	example	NN
4520	216	9	Queries	Queries	NNPS
4520	216	10	--	--	:
4520	216	11	>	>	XX
4520	216	12	<	<	XX
4520	216	13	Query	Query	NNP
4520	216	14	role="example	role="example	NNP
4520	216	15	"	"	''
4520	216	16	sru	sru	NN
4520	216	17	:	:	:
4520	216	18	queryType="searchTerms	querytype="searchterms	ADD
4520	216	19	"	"	``
4520	216	20	searchTerms="metasearch	searchTerms="metasearch	NNP
4520	216	21	"	"	''
4520	216	22	/	/	,
4520	216	23	>	>	XX
4520	216	24	<	<	XX
4520	216	25	Query	Query	NNP
4520	216	26	role="example	role="example	NNP
4520	216	27	"	"	''
4520	216	28	sru	sru	NN
4520	216	29	:	:	:
4520	216	30	queryType="cql	queryType="cql	NNP
4520	216	31	"	"	``
4520	216	32	searchTerms="metasearch	searchTerms="metasearch	NNP
4520	216	33	"	"	''
4520	216	34	/	/	,
4520	216	35	>	>	XX
4520	216	36	<	<	XX
4520	216	37	Query	Query	NNP
4520	216	38	role="example	role="example	NNP
4520	216	39	"	"	''
4520	216	40	sru	sru	NN
4520	216	41	:	:	:
4520	216	42	queryType="cql	queryType="cql	NNP
4520	216	43	"	"	''
4520	216	44	searchTerms="cql.keywords	searchTerms="cql.keywords	NNP
4520	216	45	=	=	SYM
4520	216	46	metasearch	metasearch	NN
4520	216	47	"	"	''
4520	216	48	/	/	,
4520	216	49	>	>	XX
4520	216	50	<	<	XX
4520	216	51	Query	Query	NNP
4520	216	52	role="example	role="example	NNP
4520	216	53	"	"	''
4520	216	54	sru	sru	NN
4520	216	55	:	:	:
4520	216	56	queryType="cql	queryType="cql	NNP
4520	216	57	"	"	``
4520	216	58	sru	sru	NNP
4520	216	59	:	:	:
4520	216	60	sortKeys="title	sortKeys="title	NNP
4520	216	61	,	,	,
4520	216	62	pam,1	pam,1	NNP
4520	216	63	"	"	''
4520	216	64	searchTerms="cql.keywords	searchTerms="cql.keywords	NNP
4520	216	65	=	=	SYM
4520	216	66	metasearch	metasearch	NN
4520	216	67	"	"	''
4520	216	68	/	/	,
4520	216	69	>	>	XX
4520	216	70	<	<	XX
4520	216	71	Query	Query	NNP
4520	216	72	role="example	role="example	NNP
4520	216	73	"	"	''
4520	216	74	sru	sru	NN
4520	216	75	:	:	:
4520	216	76	queryType="cql	queryType="cql	NNP
4520	216	77	"	"	``
4520	216	78	sru	sru	NNP
4520	216	79	:	:	:
4520	216	80	stylesheet="http://example.org	stylesheet="http://example.org	NNP
4520	216	81	/	/	SYM
4520	216	82	example.xsl	example.xsl	NNPS
4520	216	83	"	"	``
4520	216	84	searchTerms="cql.keywords	searchTerms="cql.keywords	NNP
4520	216	85	=	=	SYM
4520	216	86	metasearch	metasearch	NN
4520	216	87	"	"	''
4520	216	88	/	/	,
4520	216	89	>	>	XX
4520	216	90	<	<	XX
4520	216	91	/OpenSearchDescription	/OpenSearchDescription	NFP
4520	216	92	>	>	XX
4520	216	93	Listing	list	VBG
4520	216	94	3	3	CD
4520	216	95	.	.	.
4520	217	1	Example	example	NN
4520	217	2	using	use	VBG
4520	217	3	SRU	SRU	NNP
4520	217	4	and	and	CC
4520	217	5	OpenSearch	OpenSearch	NNP
4520	217	6	.	.	.
4520	218	1	Other	other	JJ
4520	218	2	Technologies	Technologies	NNPS
4520	218	3	Here	here	RB
4520	218	4	we	-PRON-	PRP
4520	218	5	more	more	RBR
4520	218	6	briefly	briefly	RB
4520	218	7	survey	survey	VBP
4520	218	8	some	some	DT
4520	218	9	additional	additional	JJ
4520	218	10	technologies	technology	NNS
4520	218	11	of	of	IN
4520	218	12	relevance	relevance	NN
4520	218	13	to	to	TO
4520	218	14	open	open	JJ
4520	218	15	-	-	HYPH
4520	218	16	search	search	NN
4520	218	17	interoperability	interoperability	NN
4520	218	18	.	.	.
4520	219	1	XML	xml	NN
4520	219	2	-	-	HYPH
4520	219	3	based	base	VBN
4520	219	4	approaches	approach	NNS
4520	219	5	to	to	IN
4520	219	6	information	information	NN
4520	219	7	integration	integration	NN
4520	219	8	,	,	,
4520	219	9	such	such	JJ
4520	219	10	as	as	IN
4520	219	11	the	the	DT
4520	219	12	use	use	NN
4520	219	13	of	of	IN
4520	219	14	XQuery	XQuery	NNP
4520	219	15	,	,	,
4520	219	16	are	be	VBP
4520	219	17	an	an	DT
4520	219	18	option	option	NN
4520	219	19	but	but	CC
4520	219	20	do	do	VBP
4520	219	21	not	not	RB
4520	219	22	present	present	VB
4520	219	23	a	a	DT
4520	219	24	loose	loose	JJ
4520	219	25	integration	integration	NN
4520	219	26	.	.	.
4520	220	1	Chudnov	Chudnov	NNP
4520	220	2	et	et	NNP
4520	220	3	al	al	NNP
4520	220	4	.	.	.
4520	221	1	describes	describe	VBZ
4520	221	2	a	a	DT
4520	221	3	simple	simple	JJ
4520	221	4	API	api	NN
4520	221	5	for	for	IN
4520	221	6	a	a	DT
4520	221	7	copy	copy	NN
4520	221	8	function	function	NN
4520	221	9	for	for	IN
4520	221	10	web	web	NN
4520	221	11	applications	application	NNS
4520	221	12	to	to	TO
4520	221	13	enable	enable	VB
4520	221	14	syndication	syndication	NN
4520	221	15	,	,	,
4520	221	16	searching	search	VBG
4520	221	17	,	,	,
4520	221	18	and	and	CC
4520	221	19	linking	linking	NN
4520	221	20	of	of	IN
4520	221	21	web	web	NN
4520	221	22	resources.50	resources.50	NNP
4520	221	23	Called	Called	NNP
4520	221	24	unAPI	unAPI	NNP
4520	221	25	,	,	,
4520	221	26	it	-PRON-	PRP
4520	221	27	requires	require	VBZ
4520	221	28	small	small	JJ
4520	221	29	changes	change	NNS
4520	221	30	for	for	IN
4520	221	31	publishers	publisher	NNS
4520	221	32	to	to	TO
4520	221	33	add	add	VB
4520	221	34	the	the	DT
4520	221	35	functionality	functionality	NN
4520	221	36	to	to	IN
4520	221	37	web	web	NN
4520	221	38	resources	resource	NNS
4520	221	39	such	such	JJ
4520	221	40	as	as	IN
4520	221	41	repositories	repository	NNS
4520	221	42	and	and	CC
4520	221	43	feeds	feed	NNS
4520	221	44	.	.	.
4520	222	1	Developers	developer	NNS
4520	222	2	can	can	MD
4520	222	3	layer	layer	VB
4520	222	4	unAPI	unapi	NN
4520	222	5	over	over	IN
4520	222	6	SRU	SRU	NNP
4520	222	7	,	,	,
4520	222	8	OpenSearch	OpenSearch	NNP
4520	222	9	,	,	,
4520	222	10	or	or	CC
4520	222	11	OpenURL.51	OpenURL.51	NNP
4520	222	12	Announced	announce	VBN
4520	222	13	in	in	IN
4520	222	14	2008	2008	CD
4520	222	15	,	,	,
4520	222	16	Yahoo	Yahoo	NNP
4520	222	17	!	!	.
4520	222	18	’s	’s	''
4520	222	19	SearchMonkey	SearchMonkey	NNP
4520	222	20	technology	technology	NN
4520	222	21	,	,	,
4520	222	22	also	also	RB
4520	222	23	called	call	VBN
4520	222	24	Yahoo	Yahoo	NNP
4520	222	25	!	!	.
4520	222	26	’s	’s	,
4520	222	27	Open	Open	NNP
4520	222	28	Search	Search	NNP
4520	222	29	Platform	Platform	NNP
4520	222	30	,	,	,
4520	222	31	allowed	allow	VBD
4520	222	32	publishers	publisher	NNS
4520	222	33	to	to	TO
4520	222	34	add	add	VB
4520	222	35	structured	structured	JJ
4520	222	36	metadata	metadata	NN
4520	222	37	to	to	IN
4520	222	38	Yahoo	Yahoo	NNP
4520	222	39	!	!	.
4520	223	1	Search	search	NN
4520	223	2	results	result	NNS
4520	223	3	.	.	.
4520	224	1	SearchMonkey	SearchMonkey	NNP
4520	224	2	divided	divide	VBD
4520	224	3	the	the	DT
4520	224	4	problem	problem	NN
4520	224	5	into	into	IN
4520	224	6	two	two	CD
4520	224	7	parts	part	NNS
4520	224	8	:	:	:
4520	224	9	metadata	metadata	NN
4520	224	10	extraction	extraction	NN
4520	224	11	and	and	CC
4520	224	12	result	result	NN
4520	224	13	presentation	presentation	NN
4520	224	14	.	.	.
4520	225	1	In	in	IN
4520	225	2	is	be	VBZ
4520	225	3	not	not	RB
4520	225	4	clear	clear	JJ
4520	225	5	how	how	WRB
4520	225	6	much	much	JJ
4520	225	7	of	of	IN
4520	225	8	this	this	DT
4520	225	9	technology	technology	NN
4520	225	10	survived	survive	VBD
4520	225	11	Yahoo	Yahoo	NNP
4520	225	12	!	!	.
4520	226	1	and	and	CC
4520	226	2	Microsoft	Microsoft	NNP
4520	226	3	’s	’s	POS
4520	226	4	new	new	JJ
4520	226	5	Search	Search	NNP
4520	226	6	Alliance	Alliance	NNP
4520	226	7	,	,	,
4520	226	8	signed	sign	VBN
4520	226	9	in	in	IN
4520	226	10	2010.52	2010.52	CD
4520	226	11	Mika	Mika	NNP
4520	226	12	described	describe	VBD
4520	226	13	a	a	DT
4520	226	14	search	search	NN
4520	226	15	interface	interface	NN
4520	226	16	technology	technology	NN
4520	226	17	called	call	VBN
4520	226	18	Microsearch	Microsearch	NNP
4520	226	19	that	that	WDT
4520	226	20	is	be	VBZ
4520	226	21	similar	similar	JJ
4520	226	22	in	in	IN
4520	226	23	nature.53	nature.53	NNP
4520	226	24	In	in	IN
4520	226	25	Microsearch	Microsearch	NNP
4520	226	26	,	,	,
4520	226	27	semantic	semantic	JJ
4520	226	28	fields	field	NNS
4520	226	29	are	be	VBP
4520	226	30	added	add	VBN
4520	226	31	a	a	DT
4520	226	32	search	search	NN
4520	226	33	and	and	CC
4520	226	34	search	search	NN
4520	226	35	result	result	NN
4520	226	36	presentation	presentation	NN
4520	226	37	enriched	enrich	VBD
4520	226	38	with	with	IN
4520	226	39	OPEN	open	JJ
4520	226	40	SEARCH	search	NN
4520	226	41	ENVIRONMENTS	environment	NNS
4520	226	42	:	:	:
4520	226	43	THE	the	DT
4520	226	44	FREE	free	JJ
4520	226	45	ALTERNATIVE	alternative	NN
4520	226	46	TO	to	IN
4520	226	47	COMMERCIAL	commercial	JJ
4520	226	48	SEARCH	SEARCH	NNP
4520	226	49	SERVICES	SERVICES	NNP
4520	226	50	|	|	CD
4520	226	51	O’RIORDAN	O’RIORDAN	NNP
4520	226	52	56	56	CD
4520	226	53	metadata	metadata	NN
4520	226	54	extracted	extract	VBN
4520	226	55	from	from	IN
4520	226	56	retrieved	retrieve	VBN
4520	226	57	content	content	NN
4520	226	58	.	.	.
4520	227	1	Govaerts	Govaerts	NNP
4520	227	2	et	et	NNP
4520	227	3	al	al	NNP
4520	227	4	.	.	.
4520	228	1	described	describe	VBD
4520	228	2	a	a	DT
4520	228	3	federated	federate	VBN
4520	228	4	search	search	NN
4520	228	5	and	and	CC
4520	228	6	recommender	recommender	NN
4520	228	7	system	system	NN
4520	228	8	that	that	WDT
4520	228	9	operates	operate	VBZ
4520	228	10	as	as	IN
4520	228	11	a	a	DT
4520	228	12	browser	browser	NN
4520	228	13	add	add	VB
4520	228	14	-	-	HYPH
4520	228	15	on	on	NN
4520	228	16	.	.	.
4520	229	1	The	the	DT
4520	229	2	system	system	NN
4520	229	3	is	be	VBZ
4520	229	4	OpenSearch	OpenSearch	NNP
4520	229	5	-	-	HYPH
4520	229	6	compliant	compliant	JJ
4520	229	7	and	and	CC
4520	229	8	all	all	DT
4520	229	9	results	result	NNS
4520	229	10	are	be	VBP
4520	229	11	in	in	IN
4520	229	12	the	the	DT
4520	229	13	Atom	Atom	NNP
4520	229	14	format.54	format.54	NNP
4520	229	15	The	the	DT
4520	229	16	Corporation	Corporation	NNP
4520	229	17	for	for	IN
4520	229	18	National	National	NNP
4520	229	19	Research	Research	NNP
4520	229	20	Initiatives	Initiatives	NNPS
4520	229	21	(	(	-LRB-
4520	229	22	CNRI	CNRI	NNP
4520	229	23	)	)	-RRB-
4520	229	24	Digital	Digital	NNP
4520	229	25	Object	Object	NNP
4520	229	26	Architecture	Architecture	NNP
4520	229	27	(	(	-LRB-
4520	229	28	DOA	DOA	NNP
4520	229	29	)	)	-RRB-
4520	229	30	provides	provide	VBZ
4520	229	31	a	a	DT
4520	229	32	framework	framework	NN
4520	229	33	for	for	IN
4520	229	34	managing	manage	VBG
4520	229	35	digital	digital	JJ
4520	229	36	objects	object	NNS
4520	229	37	in	in	IN
4520	229	38	a	a	DT
4520	229	39	networked	networked	JJ
4520	229	40	environment	environment	NN
4520	229	41	.	.	.
4520	230	1	It	-PRON-	PRP
4520	230	2	consists	consist	VBZ
4520	230	3	of	of	IN
4520	230	4	three	three	CD
4520	230	5	parts	part	NNS
4520	230	6	:	:	:
4520	230	7	a	a	DT
4520	230	8	digital	digital	JJ
4520	230	9	object	object	NN
4520	230	10	repository	repository	NN
4520	230	11	,	,	,
4520	230	12	a	a	DT
4520	230	13	resolution	resolution	NN
4520	230	14	mechanism	mechanism	NN
4520	230	15	(	(	-LRB-
4520	230	16	Handle	Handle	NNP
4520	230	17	system	system	NN
4520	230	18	)	)	-RRB-
4520	230	19	,	,	,
4520	230	20	and	and	CC
4520	230	21	a	a	DT
4520	230	22	digital	digital	JJ
4520	230	23	object	object	NN
4520	230	24	registry	registry	NN
4520	230	25	.	.	.
4520	231	1	The	the	DT
4520	231	2	Repository	Repository	NNP
4520	231	3	Access	Access	NNP
4520	231	4	Protocol	Protocol	NNP
4520	231	5	(	(	-LRB-
4520	231	6	RAP	RAP	NNP
4520	231	7	)	)	-RRB-
4520	231	8	proves	prove	VBZ
4520	231	9	a	a	DT
4520	231	10	means	means	NN
4520	231	11	of	of	IN
4520	231	12	networked	networked	JJ
4520	231	13	access	access	NN
4520	231	14	to	to	IN
4520	231	15	digital	digital	JJ
4520	231	16	objects	object	NNS
4520	231	17	,	,	,
4520	231	18	which	which	WDT
4520	231	19	supports	support	VBZ
4520	231	20	authentication	authentication	NN
4520	231	21	and	and	CC
4520	231	22	encryption.55	encryption.55	NNP
4520	231	23	SUMMARY	summary	NN
4520	231	24	AND	and	CC
4520	231	25	CONCLUSIONS	conclusion	NNS
4520	231	26	A	a	DT
4520	231	27	rich	rich	JJ
4520	231	28	set	set	NN
4520	231	29	of	of	IN
4520	231	30	formats	format	NNS
4520	231	31	and	and	CC
4520	231	32	protocols	protocol	NNS
4520	231	33	and	and	CC
4520	231	34	working	working	NN
4520	231	35	implementations	implementation	NNS
4520	231	36	show	show	VBP
4520	231	37	that	that	IN
4520	231	38	open	open	JJ
4520	231	39	search	search	NN
4520	231	40	technology	technology	NN
4520	231	41	is	be	VBZ
4520	231	42	an	an	DT
4520	231	43	alternative	alternative	NN
4520	231	44	to	to	IN
4520	231	45	the	the	DT
4520	231	46	dominant	dominant	JJ
4520	231	47	commercial	commercial	JJ
4520	231	48	search	search	NN
4520	231	49	services	service	NNS
4520	231	50	.	.	.
4520	232	1	In	in	IN
4520	232	2	particular	particular	JJ
4520	232	3	,	,	,
4520	232	4	we	-PRON-	PRP
4520	232	5	discussed	discuss	VBD
4520	232	6	the	the	DT
4520	232	7	lightweight	lightweight	JJ
4520	232	8	OpenSearch	OpenSearch	NNP
4520	232	9	and	and	CC
4520	232	10	SRU	SRU	NNP
4520	232	11	protocols	protocol	NNS
4520	232	12	as	as	IN
4520	232	13	suitable	suitable	JJ
4520	232	14	glue	glue	NN
4520	232	15	to	to	TO
4520	232	16	create	create	VB
4520	232	17	loosely	loosely	RB
4520	232	18	coupled	couple	VBN
4520	232	19	search	search	NN
4520	232	20	-	-	HYPH
4520	232	21	based	base	VBN
4520	232	22	applications	application	NNS
4520	232	23	.	.	.
4520	233	1	These	these	DT
4520	233	2	can	can	MD
4520	233	3	complement	complement	VB
4520	233	4	other	other	JJ
4520	233	5	developments	development	NNS
4520	233	6	in	in	IN
4520	233	7	resource	resource	NN
4520	233	8	discovery	discovery	NN
4520	233	9	and	and	CC
4520	233	10	description	description	NN
4520	233	11	,	,	,
4520	233	12	open	open	JJ
4520	233	13	repositories	repository	NNS
4520	233	14	,	,	,
4520	233	15	and	and	CC
4520	233	16	open	open	JJ
4520	233	17	-	-	HYPH
4520	233	18	source	source	NN
4520	233	19	information	information	NN
4520	233	20	retrieval	retrieval	NN
4520	233	21	.	.	.
4520	234	1	The	the	DT
4520	234	2	flexibility	flexibility	NN
4520	234	3	and	and	CC
4520	234	4	extensibility	extensibility	NN
4520	234	5	offers	offer	VBZ
4520	234	6	exciting	exciting	JJ
4520	234	7	opportunities	opportunity	NNS
4520	234	8	to	to	TO
4520	234	9	develop	develop	VB
4520	234	10	new	new	JJ
4520	234	11	applications	application	NNS
4520	234	12	and	and	CC
4520	234	13	new	new	JJ
4520	234	14	types	type	NNS
4520	234	15	of	of	IN
4520	234	16	applications	application	NNS
4520	234	17	.	.	.
4520	235	1	The	the	DT
4520	235	2	successful	successful	JJ
4520	235	3	deployment	deployment	NN
4520	235	4	of	of	IN
4520	235	5	open	open	JJ
4520	235	6	search	search	NN
4520	235	7	technology	technology	NN
4520	235	8	shows	show	VBZ
4520	235	9	that	that	IN
4520	235	10	this	this	DT
4520	235	11	technology	technology	NN
4520	235	12	has	have	VBZ
4520	235	13	matured	mature	VBN
4520	235	14	to	to	TO
4520	235	15	support	support	VB
4520	235	16	many	many	JJ
4520	235	17	uses	use	NNS
4520	235	18	.	.	.
4520	236	1	A	a	DT
4520	236	2	fruitful	fruitful	JJ
4520	236	3	area	area	NN
4520	236	4	of	of	IN
4520	236	5	further	further	JJ
4520	236	6	development	development	NN
4520	236	7	would	would	MD
4520	236	8	be	be	VB
4520	236	9	to	to	TO
4520	236	10	make	make	VB
4520	236	11	working	work	VBG
4520	236	12	with	with	IN
4520	236	13	these	these	DT
4520	236	14	standards	standard	NNS
4520	236	15	easier	easy	JJR
4520	236	16	for	for	IN
4520	236	17	developers	developer	NNS
4520	236	18	and	and	CC
4520	236	19	even	even	RB
4520	236	20	accessible	accessible	JJ
4520	236	21	to	to	IN
4520	236	22	the	the	DT
4520	236	23	nonprogrammer	nonprogrammer	NN
4520	236	24	.	.	.
4520	237	1	REFERENCES	reference	NNS
4520	237	2	1	1	CD
4520	237	3	.	.	.
4520	238	1	Google	Google	NNP
4520	238	2	Custom	Custom	NNP
4520	238	3	Search	Search	NNP
4520	238	4	API	API	NNP
4520	238	5	,	,	,
4520	238	6	https://developers.google.com/custom-search/v1/overview	https://developers.google.com/custom-search/v1/overview	ADD
4520	238	7	.	.	.
4520	239	1	2	2	LS
4520	239	2	.	.	.
4520	240	1	Mike	Mike	NNP
4520	240	2	Cafarella	Cafarella	NNP
4520	240	3	and	and	CC
4520	240	4	Doug	Doug	NNP
4520	240	5	Cutting	Cutting	NNP
4520	240	6	,	,	,
4520	240	7	“	"	``
4520	240	8	Building	build	VBG
4520	240	9	Nutch	Nutch	NNP
4520	240	10	:	:	:
4520	240	11	Open	open	JJ
4520	240	12	Source	source	NN
4520	240	13	Search	search	NN
4520	240	14	:	:	:
4520	240	15	A	a	DT
4520	240	16	Case	Case	NNP
4520	240	17	Study	Study	NNP
4520	240	18	in	in	IN
4520	240	19	Writing	write	VBG
4520	240	20	an	an	DT
4520	240	21	Open	open	JJ
4520	240	22	Source	Source	NNP
4520	240	23	Search	Search	NNP
4520	240	24	Engine	Engine	NNP
4520	240	25	,	,	,
4520	240	26	”	"	''
4520	240	27	ACM	ACM	NNP
4520	240	28	Queue	Queue	NNP
4520	240	29	2	2	CD
4520	240	30	,	,	,
4520	240	31	no	no	UH
4520	240	32	.	.	.
4520	241	1	2	2	CD
4520	241	2	(	(	-LRB-
4520	241	3	2004	2004	CD
4520	241	4	)	)	-RRB-
4520	241	5	,	,	,
4520	241	6	http://0-	http://0-	NNP
4520	241	7	dl.acm.org.library.ucc.ie/citation.cfm?doid=988392.988408	dl.acm.org.library.ucc.ie/citation.cfm?doid=988392.988408	NNP
4520	241	8	.	.	.
4520	242	1	3	3	LS
4520	242	2	.	.	.
4520	243	1	Wray	Wray	NNP
4520	243	2	Buntine	Buntine	NNP
4520	243	3	et	et	NNP
4520	243	4	al	al	NNP
4520	243	5	.	.	NNP
4520	243	6	,	,	,
4520	243	7	“	"	``
4520	243	8	Opportunities	opportunity	NNS
4520	243	9	from	from	IN
4520	243	10	Open	open	JJ
4520	243	11	Source	source	NN
4520	243	12	Search	Search	NNP
4520	243	13	,	,	,
4520	243	14	”	"	''
4520	243	15	in	in	IN
4520	243	16	Proceedings	Proceedings	NNP
4520	243	17	,	,	,
4520	243	18	the	the	DT
4520	243	19	2005	2005	CD
4520	243	20	IEEE	IEEE	NNP
4520	243	21	/	/	SYM
4520	243	22	WIC	WIC	NNP
4520	243	23	/	/	SYM
4520	243	24	ACM	ACM	NNP
4520	243	25	International	International	NNP
4520	243	26	Conference	Conference	NNP
4520	243	27	on	on	IN
4520	243	28	Web	Web	NNP
4520	243	29	Intelligence	Intelligence	NNP
4520	243	30	,	,	,
4520	243	31	2–8	2–8	CD
4520	243	32	(	(	-LRB-
4520	243	33	2005	2005	CD
4520	243	34	)	)	-RRB-
4520	243	35	,	,	,
4520	243	36	http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1517807	http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1517807	NNP
4520	243	37	.	.	.
4520	244	1	4	4	LS
4520	244	2	.	.	.
4520	245	1	Jamie	Jamie	NNP
4520	245	2	Callan	Callan	NNP
4520	245	3	,	,	,
4520	245	4	“	"	``
4520	245	5	Distributed	Distributed	NNP
4520	245	6	Information	Information	NNP
4520	245	7	Retrieval	Retrieval	NNP
4520	245	8	,	,	,
4520	245	9	”	"	''
4520	245	10	Advances	advance	VBZ
4520	245	11	in	in	IN
4520	245	12	Information	Information	NNP
4520	245	13	Retrieval	Retrieval	NNP
4520	245	14	5	5	CD
4520	245	15	(	(	-LRB-
4520	245	16	2000	2000	CD
4520	245	17	)	)	-RRB-
4520	245	18	:	:	:
4520	245	19	127–50	127–50	CD
4520	245	20	.	.	.
4520	246	1	5	5	CD
4520	246	2	.	.	.
4520	247	1	Péter	Péter	NNP
4520	247	2	Jacsó	Jacsó	NNP
4520	247	3	,	,	,
4520	247	4	“	"	``
4520	247	5	Internet	internet	NN
4520	247	6	Insights	insight	NNS
4520	247	7	—	—	:
4520	247	8	Thoughts	Thoughts	NNPS
4520	247	9	About	about	IN
4520	247	10	Federated	Federated	NNP
4520	247	11	Searching	Searching	NNP
4520	247	12	,	,	,
4520	247	13	”	"	''
4520	247	14	Information	Information	NNP
4520	247	15	Today	Today	NNP
4520	247	16	21	21	CD
4520	247	17	,	,	,
4520	247	18	no	no	UH
4520	247	19	.	.	.
4520	248	1	9	9	CD
4520	248	2	(	(	-LRB-
4520	248	3	2004	2004	CD
4520	248	4	)	)	-RRB-
4520	248	5	:	:	:
4520	248	6	17–27	17–27	LS
4520	248	7	.	.	.
4520	249	1	6	6	CD
4520	249	2	.	.	.
4520	250	1	Ricardo	Ricardo	NNP
4520	250	2	Baeza	Baeza	NNP
4520	250	3	and	and	CC
4520	250	4	Prabhakar	Prabhakar	NNP
4520	250	5	Raghavan	Raghavan	NNP
4520	250	6	,	,	,
4520	250	7	“	"	``
4520	250	8	Next	Next	NNP
4520	250	9	Generation	Generation	NNP
4520	250	10	Web	Web	NNP
4520	250	11	Search	Search	NNP
4520	250	12	,	,	,
4520	250	13	”	"	''
4520	250	14	in	in	IN
4520	250	15	Search	Search	NNP
4520	250	16	Computing	Computing	NNP
4520	250	17	(	(	-LRB-
4520	250	18	Berlin	Berlin	NNP
4520	250	19	Heidelberg	Heidelberg	NNP
4520	250	20	:	:	:
4520	250	21	Springer	Springer	NNP
4520	250	22	,	,	,
4520	250	23	2010	2010	CD
4520	250	24	)	)	-RRB-
4520	250	25	:	:	:
4520	250	26	11–23	11–23	CD
4520	250	27	,	,	,
4520	250	28	http://link.springer.com/chapter/10.1007/978-	http://link.springer.com/chapter/10.1007/978-	ADD
4520	250	29	3	3	CD
4520	250	30	-	-	HYPH
4520	250	31	642	642	CD
4520	250	32	-	-	HYPH
4520	250	33	12310	12310	CD
4520	250	34	-	-	HYPH
4520	250	35	8_2	8_2	CD
4520	250	36	.	.	.
4520	251	1	https://developers.google.com/custom-search/v1/overview	https://developers.google.com/custom-search/v1/overview	UH
4520	251	2	http://0-dl.acm.org.library.ucc.ie/citation.cfm?doid=988392.988408	http://0-dl.acm.org.library.ucc.ie/citation.cfm?doid=988392.988408	NN
4520	251	3	http://0-dl.acm.org.library.ucc.ie/citation.cfm?doid=988392.988408	http://0-dl.acm.org.library.ucc.ie/citation.cfm?doid=988392.988408	CD
4520	251	4	http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1517807	http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1517807	JJ
4520	251	5	http://link.springer.com/chapter/10.1007/978-3-642-12310-8_2	http://link.springer.com/chapter/10.1007/978-3-642-12310-8_2	NNP
4520	251	6	http://link.springer.com/chapter/10.1007/978-3-642-12310-8_2	http://link.springer.com/chapter/10.1007/978-3-642-12310-8_2	JJ
4520	251	7	INFORMATION	information	NN
4520	251	8	TECHNOLOGY	technology	NN
4520	251	9	AND	and	CC
4520	251	10	LIBRARIES	library	NNS
4520	251	11	|	|	NNP
4520	251	12	JUNE	JUNE	NNP
4520	251	13	2014	2014	CD
4520	251	14	57	57	CD
4520	251	15	7	7	CD
4520	251	16	.	.	.
4520	252	1	Trevor	Trevor	NNP
4520	252	2	Strohman	Strohman	NNP
4520	252	3	et	et	FW
4520	252	4	al	al	NNP
4520	252	5	.	.	NNP
4520	252	6	,	,	,
4520	252	7	“	"	``
4520	252	8	Indri	Indri	NNP
4520	252	9	:	:	:
4520	252	10	A	A	NNP
4520	252	11	Language	Language	NNP
4520	252	12	Model	Model	NNP
4520	252	13	-	-	HYPH
4520	252	14	Based	base	VBN
4520	252	15	Search	Search	NNP
4520	252	16	Engine	Engine	NNP
4520	252	17	for	for	IN
4520	252	18	Complex	Complex	NNP
4520	252	19	Queries	Queries	NNPS
4520	252	20	,	,	,
4520	252	21	”	"	''
4520	252	22	in	in	IN
4520	252	23	Proceedings	Proceedings	NNP
4520	252	24	of	of	IN
4520	252	25	the	the	DT
4520	252	26	International	International	NNP
4520	252	27	Conference	Conference	NNP
4520	252	28	on	on	IN
4520	252	29	Intelligent	Intelligent	NNP
4520	252	30	Analysis	Analysis	NNP
4520	252	31	2	2	CD
4520	252	32	,	,	,
4520	252	33	no	no	UH
4520	252	34	.	.	.
4520	253	1	6	6	CD
4520	253	2	,	,	,
4520	253	3	(	(	-LRB-
4520	253	4	2005	2005	CD
4520	253	5	)	)	-RRB-
4520	253	6	:	:	:
4520	253	7	2–6	2–6	CD
4520	253	8	.	.	.
4520	254	1	8	8	LS
4520	254	2	.	.	.
4520	255	1	Xapian	xapian	JJ
4520	255	2	project	project	NN
4520	255	3	website	website	NN
4520	255	4	,	,	,
4520	255	5	http://xapian.org/.	http://xapian.org/.	CD
4520	256	1	9	9	CD
4520	256	2	.	.	.
4520	257	1	Andrew	Andrew	NNP
4520	257	2	Aksyonoff	Aksyonoff	NNP
4520	257	3	,	,	,
4520	257	4	Introduction	introduction	NN
4520	257	5	to	to	IN
4520	257	6	Search	Search	NNP
4520	257	7	with	with	IN
4520	257	8	Sphinx	Sphinx	NNP
4520	257	9	:	:	:
4520	257	10	From	from	IN
4520	257	11	Installation	Installation	NNP
4520	257	12	to	to	IN
4520	257	13	Relevance	Relevance	NNP
4520	257	14	Tuning	Tuning	NNP
4520	257	15	(	(	-LRB-
4520	257	16	Sebastopol	Sebastopol	NNP
4520	257	17	,	,	,
4520	257	18	CA	CA	NNP
4520	257	19	:	:	:
4520	257	20	O’Reilly	o’reilly	RB
4520	257	21	,	,	,
4520	257	22	2011	2011	CD
4520	257	23	)	)	-RRB-
4520	257	24	.	.	.
4520	258	1	10	10	CD
4520	258	2	.	.	.
4520	259	1	Rohit	Rohit	NNP
4520	259	2	Khare	Khare	NNP
4520	259	3	,	,	,
4520	259	4	“	"	``
4520	259	5	Nutch	nutch	NN
4520	259	6	:	:	:
4520	259	7	A	a	DT
4520	259	8	Flexible	flexible	JJ
4520	259	9	and	and	CC
4520	259	10	Scalable	Scalable	NNP
4520	259	11	Open	open	JJ
4520	259	12	-	-	HYPH
4520	259	13	Source	source	NN
4520	259	14	Web	web	NN
4520	259	15	Search	Search	NNP
4520	259	16	Engine	Engine	NNP
4520	259	17	,	,	,
4520	259	18	”	"	''
4520	259	19	Oregon	Oregon	NNP
4520	259	20	State	State	NNP
4520	259	21	University	University	NNP
4520	259	22	,	,	,
4520	259	23	2004	2004	CD
4520	259	24	,	,	,
4520	259	25	p.	p.	NN
4520	259	26	32	32	CD
4520	259	27	,	,	,
4520	259	28	http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.105.5978	http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.105.5978	ADD
4520	259	29	11	11	CD
4520	259	30	.	.	.
4520	260	1	“	"	``
4520	260	2	Xapian	xapian	JJ
4520	260	3	Users	Users	NNP
4520	260	4	,	,	,
4520	260	5	”	"	''
4520	260	6	http://xapian.org/users	http://xapian.org/users	ADD
4520	260	7	.	.	.
4520	261	1	12	12	CD
4520	261	2	.	.	.
4520	262	1	Christian	Christian	NNP
4520	262	2	Middleton	Middleton	NNP
4520	262	3	and	and	CC
4520	262	4	Ricardo	Ricardo	NNP
4520	262	5	Baeza	Baeza	NNP
4520	262	6	-	-	HYPH
4520	262	7	Yates	Yates	NNP
4520	262	8	,	,	,
4520	262	9	“	"	``
4520	262	10	A	a	DT
4520	262	11	Comparison	Comparison	NNP
4520	262	12	of	of	IN
4520	262	13	Open	Open	NNP
4520	262	14	Source	Source	NNP
4520	262	15	Search	Search	NNP
4520	262	16	Engines	Engines	NNPS
4520	262	17	,	,	,
4520	262	18	”	"	''
4520	262	19	2007	2007	CD
4520	262	20	,	,	,
4520	262	21	http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.119.6955	http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.119.6955	ADD
4520	262	22	.	.	.
4520	263	1	13	13	CD
4520	263	2	.	.	.
4520	264	1	Apache	Apache	NNP
4520	264	2	Solr	Solr	NNP
4520	264	3	,	,	,
4520	264	4	http://lucene.apache.org/solr/.	http://lucene.apache.org/solr/.	NNP
4520	265	1	14	14	CD
4520	265	2	.	.	.
4520	266	1	Ross	Ross	NNP
4520	266	2	Singer	Singer	NNP
4520	266	3	,	,	,
4520	266	4	“	"	``
4520	266	5	In	in	IN
4520	266	6	Search	Search	NNP
4520	266	7	of	of	IN
4520	266	8	a	a	DT
4520	266	9	Really	really	RB
4520	266	10	‘	'	``
4520	266	11	Next	Next	NNP
4520	266	12	Generation	Generation	NNP
4520	266	13	’	'	''
4520	266	14	Catalog	Catalog	NNP
4520	266	15	,	,	,
4520	266	16	”	"	''
4520	266	17	Journal	Journal	NNP
4520	266	18	of	of	IN
4520	266	19	Electronic	Electronic	NNP
4520	266	20	Resources	Resources	NNP
4520	266	21	Librarianship	Librarianship	NNP
4520	266	22	20	20	CD
4520	266	23	,	,	,
4520	266	24	no	no	UH
4520	266	25	.	.	.
4520	267	1	3	3	CD
4520	267	2	(	(	-LRB-
4520	267	3	2008	2008	CD
4520	267	4	)	)	-RRB-
4520	267	5	:	:	:
4520	267	6	139–42	139–42	CD
4520	267	7	,	,	,
4520	267	8	http://www.tandfonline.com/doi/pdf/10.1080/19411260802412752	http://www.tandfonline.com/doi/pdf/10.1080/19411260802412752	NNP
4520	267	9	.	.	.
4520	268	1	15	15	CD
4520	268	2	.	.	.
4520	269	1	Europeana	Europeana	NNP
4520	269	2	portal	portal	JJ
4520	269	3	,	,	,
4520	269	4	http://www.europeana.eu/portal/.	http://www.europeana.eu/portal/.	ADD
4520	270	1	16	16	CD
4520	270	2	.	.	.
4520	271	1	Maristella	Maristella	NNP
4520	271	2	Agosti	Agosti	NNP
4520	271	3	et	et	FW
4520	271	4	al	al	NNP
4520	271	5	.	.	NNP
4520	271	6	,	,	,
4520	271	7	DelosDLMS	delosdlms	CD
4520	271	8	—	—	:
4520	271	9	The	the	DT
4520	271	10	Integrated	Integrated	NNP
4520	271	11	DELOS	DELOS	NNP
4520	271	12	Digital	Digital	NNP
4520	271	13	Library	Library	NNP
4520	271	14	Management	Management	NNP
4520	271	15	System	System	NNP
4520	271	16	Berlin	Berlin	NNP
4520	271	17	Heidelberg	Heidelberg	NNP
4520	271	18	:	:	:
4520	271	19	Springer	Springer	NNP
4520	271	20	,	,	,
4520	271	21	2007	2007	CD
4520	271	22	)	)	-RRB-
4520	271	23	.	.	.
4520	272	1	17	17	CD
4520	272	2	.	.	.
4520	273	1	Mehdi	Mehdi	NNP
4520	273	2	Alipour	Alipour	NNP
4520	273	3	-	-	HYPH
4520	273	4	Hafezi	Hafezi	NNP
4520	273	5	et	et	NNP
4520	273	6	al	al	NNP
4520	273	7	.	.	NNP
4520	273	8	,	,	,
4520	273	9	“	"	``
4520	273	10	Interoperability	Interoperability	NNP
4520	273	11	Models	Models	NNP
4520	273	12	in	in	IN
4520	273	13	Digital	Digital	NNP
4520	273	14	Libraries	Libraries	NNPS
4520	273	15	:	:	:
4520	273	16	An	an	DT
4520	273	17	Overview	Overview	NNP
4520	273	18	,	,	,
4520	273	19	”	"	''
4520	273	20	Electronic	Electronic	NNP
4520	273	21	Library	Library	NNP
4520	273	22	28	28	CD
4520	273	23	,	,	,
4520	273	24	no	no	UH
4520	273	25	.	.	.
4520	274	1	3	3	CD
4520	274	2	(	(	-LRB-
4520	274	3	2010	2010	CD
4520	274	4	)	)	-RRB-
4520	274	5	:	:	:
4520	274	6	438–52	438–52	CD
4520	274	7	,	,	,
4520	274	8	http://www.emeraldinsight.com/journals.htm?articleid=1864156	http://www.emeraldinsight.com/journals.htm?articleid=1864156	ADD
4520	274	9	.	.	.
4520	275	1	18	18	CD
4520	275	2	.	.	.
4520	276	1	Institute	Institute	NNP
4520	276	2	of	of	IN
4520	276	3	Electrical	Electrical	NNP
4520	276	4	and	and	CC
4520	276	5	Electronics	Electronics	NNPS
4520	276	6	Engineers	Engineers	NNPS
4520	276	7	,	,	,
4520	276	8	IEEE	IEEE	NNP
4520	276	9	Standard	Standard	NNP
4520	276	10	Computer	Computer	NNP
4520	276	11	Dictionary	Dictionary	NNP
4520	276	12	:	:	:
4520	276	13	A	a	DT
4520	276	14	Compilation	compilation	NN
4520	276	15	of	of	IN
4520	276	16	IEEE	IEEE	NNP
4520	276	17	Standard	Standard	NNP
4520	276	18	Computer	Computer	NNP
4520	276	19	Glossaries	Glossaries	NNPS
4520	276	20	(	(	-LRB-
4520	276	21	New	New	NNP
4520	276	22	York	York	NNP
4520	276	23	:	:	:
4520	276	24	IEEE	IEEE	NNP
4520	276	25	,	,	,
4520	276	26	1990	1990	CD
4520	276	27	)	)	-RRB-
4520	276	28	.	.	.
4520	277	1	19	19	CD
4520	277	2	.	.	.
4520	278	1	Clifford	Clifford	NNP
4520	278	2	Lynch	Lynch	NNP
4520	278	3	and	and	CC
4520	278	4	Hector	Hector	NNP
4520	278	5	García	García	NNP
4520	278	6	-	-	HYPH
4520	278	7	Molina	Molina	NNP
4520	278	8	,	,	,
4520	278	9	“	"	``
4520	278	10	Interoperability	Interoperability	NNP
4520	278	11	,	,	,
4520	278	12	Scaling	Scaling	NNP
4520	278	13	,	,	,
4520	278	14	and	and	CC
4520	278	15	the	the	DT
4520	278	16	Digital	Digital	NNP
4520	278	17	Libraries	Libraries	NNPS
4520	278	18	Research	Research	NNP
4520	278	19	Agenda	Agenda	NNP
4520	278	20	,	,	,
4520	278	21	”	"	''
4520	278	22	in	in	IN
4520	278	23	IITA	IITA	NNP
4520	278	24	Digital	Digital	NNP
4520	278	25	Libraries	Libraries	NNPS
4520	278	26	Workshop	Workshop	NNP
4520	278	27	,	,	,
4520	278	28	1995	1995	CD
4520	278	29	.	.	.
4520	279	1	20	20	CD
4520	279	2	.	.	.
4520	280	1	Andreas	Andreas	NNP
4520	280	2	Paepcke	Paepcke	NNP
4520	280	3	et	et	NNP
4520	280	4	al	al	NNP
4520	280	5	.	.	NNP
4520	280	6	,	,	,
4520	280	7	“	"	``
4520	280	8	Interoperability	interoperability	NN
4520	280	9	for	for	IN
4520	280	10	Digital	Digital	NNP
4520	280	11	Libraries	Libraries	NNPS
4520	280	12	Worldwide	Worldwide	NNP
4520	280	13	,	,	,
4520	280	14	”	"	''
4520	280	15	Communications	communication	NNS
4520	280	16	of	of	IN
4520	280	17	the	the	DT
4520	280	18	ACM	ACM	NNP
4520	280	19	41	41	CD
4520	280	20	,	,	,
4520	280	21	no	no	UH
4520	280	22	.	.	.
4520	281	1	4	4	CD
4520	281	2	(	(	-LRB-
4520	281	3	1998	1998	CD
4520	281	4	)	)	-RRB-
4520	281	5	:	:	:
4520	281	6	33–42	33–42	CD
4520	281	7	.	.	.
4520	282	1	21	21	CD
4520	282	2	.	.	.
4520	283	1	Manjula	Manjula	NNP
4520	283	2	,	,	,
4520	283	3	Patel	Patel	NNP
4520	283	4	et	et	FW
4520	283	5	al	al	NNP
4520	283	6	.	.	NNP
4520	283	7	,	,	,
4520	283	8	“	"	``
4520	283	9	"	"	``
4520	283	10	Semantic	semantic	JJ
4520	283	11	Interoperability	interoperability	NN
4520	283	12	in	in	IN
4520	283	13	Digital	Digital	NNP
4520	283	14	Library	Library	NNP
4520	283	15	Systems	Systems	NNPS
4520	283	16	,	,	,
4520	283	17	”	"	''
4520	283	18	2005	2005	CD
4520	283	19	,	,	,
4520	283	20	http://delos-wp5.ukoln.ac.uk/project-outcomes/SI-in-DLs/SI-in-DLs.pdf	http://delos-wp5.ukoln.ac.uk/project-outcomes/SI-in-DLs/SI-in-DLs.pdf	NNP
4520	283	21	.	.	.
4520	284	1	22	22	CD
4520	284	2	.	.	.
4520	285	1	Georgios	Georgios	NNP
4520	285	2	Athanasopoulos	Athanasopoulos	NNPS
4520	285	3	et	et	NNP
4520	285	4	al	al	NNP
4520	285	5	.	.	NNP
4520	285	6	,	,	,
4520	285	7	“	"	``
4520	285	8	Digital	Digital	NNP
4520	285	9	Library	Library	NNP
4520	285	10	Technology	Technology	NNP
4520	285	11	and	and	CC
4520	285	12	Methodology	Methodology	NNP
4520	285	13	Cookbook	Cookbook	NNP
4520	285	14	,	,	,
4520	285	15	”	"	''
4520	285	16	Deliverable	deliverable	JJ
4520	285	17	D3.4	D3.4	NNP
4520	285	18	,	,	,
4520	285	19	2011	2011	CD
4520	285	20	,	,	,
4520	285	21	http://www.dlorg.eu/index.php/outcomes/dl-org-cookbook	http://www.dlorg.eu/index.php/outcomes/dl-org-cookbook	NNP
4520	285	22	.	.	.
4520	286	1	http://xapian.org/	http://xapian.org/	LS
4520	286	2	http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.105.5978	http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.105.5978	NNP
4520	286	3	http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.119.6955	http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.119.6955	NNP
4520	286	4	http://lucene.apache.org/solr/	http://lucene.apache.org/solr/	NNP
4520	286	5	http://www.tandfonline.com/doi/pdf/10.1080/19411260802412752	http://www.tandfonline.com/doi/pdf/10.1080/19411260802412752	NNP
4520	286	6	http://www.europeana.eu/portal/	http://www.europeana.eu/portal/	NNS
4520	286	7	http://www.emeraldinsight.com/journals.htm?articleid=1864156	http://www.emeraldinsight.com/journals.htm?articleid=1864156	NNP
4520	286	8	http://delos-wp5.ukoln.ac.uk/project-outcomes/SI-in-DLs/SI-in-DLs.pdf	http://delos-wp5.ukoln.ac.uk/project-outcomes/SI-in-DLs/SI-in-DLs.pdf	NNPS
4520	286	9	http://www.dlorg.eu/index.php/outcomes/dl-org-cookbook	http://www.dlorg.eu/index.php/outcomes/dl-org-cookbook	VBD
4520	286	10	OPEN	open	JJ
4520	286	11	SEARCH	search	NN
4520	286	12	ENVIRONMENTS	environment	NNS
4520	286	13	:	:	:
4520	286	14	THE	the	DT
4520	286	15	FREE	free	JJ
4520	286	16	ALTERNATIVE	alternative	NN
4520	286	17	TO	to	IN
4520	286	18	COMMERCIAL	commercial	JJ
4520	286	19	SEARCH	SEARCH	NNP
4520	286	20	SERVICES	SERVICES	NNP
4520	286	21	|	|	CD
4520	286	22	O’RIORDAN	O’RIORDAN	NNP
4520	286	23	58	58	CD
4520	286	24	23	23	CD
4520	286	25	.	.	.
4520	287	1	Herbert	Herbert	NNP
4520	287	2	Van	Van	NNP
4520	287	3	de	de	FW
4520	287	4	Sompel	Sompel	NNP
4520	287	5	and	and	CC
4520	287	6	Oren	Oren	NNP
4520	287	7	Beit	Beit	NNP
4520	287	8	-	-	HYPH
4520	287	9	Arie	Arie	NNP
4520	287	10	,	,	,
4520	287	11	“	"	``
4520	287	12	Open	open	VB
4520	287	13	Linking	linking	NN
4520	287	14	in	in	IN
4520	287	15	the	the	DT
4520	287	16	Scholarly	Scholarly	NNP
4520	287	17	Information	Information	NNP
4520	287	18	Environment	Environment	NNP
4520	287	19	using	use	VBG
4520	287	20	the	the	DT
4520	287	21	OpenURL	OpenURL	``
4520	287	22	Framework	Framework	NNP
4520	287	23	,	,	,
4520	287	24	”	"	''
4520	287	25	New	New	NNP
4520	287	26	Review	Review	NNP
4520	287	27	of	of	IN
4520	287	28	Information	Information	NNP
4520	287	29	Networking	Networking	NNP
4520	287	30	7	7	CD
4520	287	31	,	,	,
4520	287	32	no	no	UH
4520	287	33	.	.	.
4520	288	1	1	1	CD
4520	288	2	(	(	-LRB-
4520	288	3	2001	2001	CD
4520	288	4	)	)	-RRB-
4520	288	5	:	:	:
4520	288	6	59–76	59–76	NNP
4520	288	7	,	,	,
4520	288	8	http://www.tandfonline.com/doi/abs/10.1080/13614570109516969	http://www.tandfonline.com/doi/abs/10.1080/13614570109516969	NNP
4520	288	9	.	.	.
4520	289	1	24	24	CD
4520	289	2	.	.	.
4520	290	1	Daniel	Daniel	NNP
4520	290	2	Chudnov	Chudnov	NNP
4520	290	3	,	,	,
4520	290	4	“	"	``
4520	290	5	COinS	COinS	NNP
4520	290	6	for	for	IN
4520	290	7	the	the	DT
4520	290	8	Link	Link	NNP
4520	290	9	Trail	Trail	NNP
4520	290	10	,	,	,
4520	290	11	”	"	''
4520	290	12	Library	Library	NNP
4520	290	13	Journal	Journal	NNP
4520	290	14	,	,	,
4520	290	15	131	131	CD
4520	290	16	(	(	-LRB-
4520	290	17	2006	2006	CD
4520	290	18	)	)	-RRB-
4520	290	19	:	:	:
4520	290	20	8	8	CD
4520	290	21	-	-	SYM
4520	290	22	10.25	10.25	CD
4520	290	23	.	.	.
4520	291	1	Lois	Lois	NNP
4520	291	2	Mai	Mai	NNP
4520	291	3	Chan	Chan	NNP
4520	291	4	and	and	CC
4520	291	5	Marcia	Marcia	NNP
4520	291	6	Lei	Lei	NNP
4520	291	7	Zeng	Zeng	NNP
4520	291	8	,	,	,
4520	291	9	“	"	``
4520	291	10	Metadata	Metadata	NNP
4520	291	11	Interoperability	Interoperability	NNP
4520	291	12	and	and	CC
4520	291	13	Standardization	Standardization	NNP
4520	291	14	—	—	:
4520	291	15	A	A	NNP
4520	291	16	Study	Study	NNP
4520	291	17	of	of	IN
4520	291	18	Methodology	Methodology	NNP
4520	291	19	,	,	,
4520	291	20	Part	Part	NNP
4520	291	21	II	II	NNP
4520	291	22	,	,	,
4520	291	23	”	"	''
4520	291	24	D	D	NNP
4520	291	25	-	-	HYPH
4520	291	26	Lib	Lib	NNP
4520	291	27	Magazine	Magazine	NNP
4520	291	28	12	12	CD
4520	291	29	,	,	,
4520	291	30	no	no	UH
4520	291	31	.	.	.
4520	292	1	6	6	CD
4520	292	2	(	(	-LRB-
4520	292	3	2006	2006	CD
4520	292	4	)	)	-RRB-
4520	292	5	,	,	,
4520	292	6	http://www.dlib.org/dlib/june06/zeng/06zeng.html	http://www.dlib.org/dlib/june06/zeng/06zeng.html	NNP
4520	292	7	.	.	.
4520	293	1	26	26	CD
4520	293	2	.	.	.
4520	294	1	JSON	JSON	NNP
4520	294	2	(	(	-LRB-
4520	294	3	JavaScript	JavaScript	NNP
4520	294	4	Object	Object	NNP
4520	294	5	Notation	Notation	NNP
4520	294	6	)	)	-RRB-
4520	294	7	,	,	,
4520	294	8	http://www.json.org/.	http://www.json.org/.	ADD
4520	295	1	27	27	CD
4520	295	2	.	.	.
4520	296	1	The	the	DT
4520	296	2	Open	Open	NNP
4520	296	3	Archives	Archives	NNPS
4520	296	4	Initiative	Initiative	NNP
4520	296	5	Protocol	Protocol	NNP
4520	296	6	for	for	IN
4520	296	7	Metadata	Metadata	NNP
4520	296	8	Harvesting	Harvesting	NNP
4520	296	9	,	,	,
4520	296	10	http://www.openarchives.org/OAI/openarchivesprotocol.html	http://www.openarchives.org/OAI/openarchivesprotocol.html	NNP
4520	296	11	.	.	.
4520	297	1	28	28	CD
4520	297	2	.	.	.
4520	298	1	Herbert	Herbert	NNP
4520	298	2	Van	Van	NNP
4520	298	3	De	De	NNP
4520	298	4	Sompel	Sompel	NNP
4520	298	5	et	et	FW
4520	298	6	al	al	NNP
4520	298	7	.	.	NNP
4520	298	8	,	,	,
4520	298	9	“	"	``
4520	298	10	The	the	DT
4520	298	11	UPS	UPS	NNP
4520	298	12	Prototype	Prototype	NNP
4520	298	13	:	:	:
4520	298	14	An	an	DT
4520	298	15	Experimental	Experimental	NNP
4520	298	16	End	End	NNP
4520	298	17	-	-	HYPH
4520	298	18	User	User	NNP
4520	298	19	Service	Service	NNP
4520	298	20	across	across	IN
4520	298	21	E	e	NN
4520	298	22	-	-	NN
4520	298	23	print	print	NN
4520	298	24	Archives	archive	NNS
4520	298	25	,	,	,
4520	298	26	”	"	''
4520	298	27	D	D	NNP
4520	298	28	-	-	HYPH
4520	298	29	Lib	Lib	NNP
4520	298	30	Magazine	Magazine	NNP
4520	298	31	6	6	CD
4520	298	32	,	,	,
4520	298	33	no	no	UH
4520	298	34	.	.	.
4520	299	1	2	2	CD
4520	299	2	(	(	-LRB-
4520	299	3	2000	2000	CD
4520	299	4	)	)	-RRB-
4520	299	5	,	,	,
4520	299	6	http://www.dlib.org/dlib/february00/vandesompel-ups/02vandesompel-ups.html	http://www.dlib.org/dlib/february00/vandesompel-ups/02vandesompel-ups.html	ADD
4520	299	7	.	.	.
4520	300	1	29	29	CD
4520	300	2	.	.	.
4520	301	1	OAIster	oaister	NN
4520	301	2	,	,	,
4520	301	3	http://oaister.worldcat.org/.	http://oaister.worldcat.org/.	NNS
4520	302	1	30	30	CD
4520	302	2	.	.	.
4520	303	1	Mark	Mark	NNP
4520	303	2	Nottingham	Nottingham	NNP
4520	303	3	,	,	,
4520	303	4	ed	ed	NNP
4520	303	5	.	.	NNP
4520	303	6	,	,	,
4520	303	7	“	"	``
4520	303	8	The	the	DT
4520	303	9	Atom	Atom	NNP
4520	303	10	Syndication	Syndication	NNP
4520	303	11	Format	Format	NNP
4520	303	12	.	.	.
4520	304	1	RfC	rfc	IN
4520	304	2	4287	4287	CD
4520	304	3	,	,	,
4520	304	4	”	"	''
4520	304	5	memorandum	memorandum	NNP
4520	304	6	,	,	,
4520	304	7	IETF	IETF	NNP
4520	304	8	Network	Network	NNP
4520	304	9	Working	Working	NNP
4520	304	10	Group	Group	NNP
4520	304	11	,	,	,
4520	304	12	2005	2005	CD
4520	304	13	,	,	,
4520	304	14	http://www.ietf.org/rfc/rfc4287	http://www.ietf.org/rfc/rfc4287	NNP
4520	304	15	.	.	.
4520	305	1	31	31	CD
4520	305	2	.	.	.
4520	306	1	RSS	RSS	NNP
4520	306	2	2.0	2.0	CD
4520	306	3	Specification	Specification	NNP
4520	306	4	,	,	,
4520	306	5	Berkman	Berkman	NNP
4520	306	6	Center	Center	NNP
4520	306	7	for	for	IN
4520	306	8	Internet	Internet	NNP
4520	306	9	&	&	CC
4520	306	10	Society	Society	NNP
4520	306	11	at	at	IN
4520	306	12	Harvard	Harvard	NNP
4520	306	13	Law	Law	NNP
4520	306	14	School	School	NNP
4520	306	15	,	,	,
4520	306	16	July	July	NNP
4520	306	17	15	15	CD
4520	306	18	,	,	,
4520	306	19	2003	2003	CD
4520	306	20	,	,	,
4520	306	21	http://cyber.law.harvard.edu/rss/rss.html	http://cyber.law.harvard.edu/rss/rss.html	ADD
4520	306	22	.	.	.
4520	307	1	32	32	CD
4520	307	2	.	.	.
4520	308	1	“	"	``
4520	308	2	RSS	RSS	NNP
4520	308	3	2.0	2.0	CD
4520	308	4	And	and	CC
4520	308	5	Atom	Atom	NNP
4520	308	6	1.0	1.0	CD
4520	308	7	Compared	compare	VBN
4520	308	8	,	,	,
4520	308	9	”	"	''
4520	308	10	http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared	http://www.intertwingly.net/wiki/pie/rss20andatom10compare	VBD
4520	308	11	33	33	CD
4520	308	12	.	.	.
4520	309	1	Jay	Jay	NNP
4520	309	2	Brodsky	Brodsky	NNP
4520	309	3	et	et	FW
4520	309	4	al	al	NNP
4520	309	5	.	.	NNP
4520	309	6	,	,	,
4520	309	7	eds	eds	NNP
4520	309	8	.	.	NNP
4520	309	9	,	,	,
4520	309	10	“	"	``
4520	309	11	The	the	DT
4520	309	12	Information	Information	NNP
4520	309	13	and	and	CC
4520	309	14	Content	Content	NNP
4520	309	15	Exchange	Exchange	NNP
4520	309	16	(	(	-LRB-
4520	309	17	ICE	ICE	NNP
4520	309	18	)	)	-RRB-
4520	309	19	protocol	protocol	NN
4520	309	20	,	,	,
4520	309	21	”	"	''
4520	309	22	Working	Working	NNP
4520	309	23	Draft	Draft	NNP
4520	309	24	,	,	,
4520	309	25	Version	Version	NNP
4520	309	26	2.0	2.0	CD
4520	309	27	,	,	,
4520	309	28	2003	2003	CD
4520	309	29	,	,	,
4520	309	30	http://xml.coverpages.org/ICEv20-WorkingDraft.pdf	http://xml.coverpages.org/ICEv20-WorkingDraft.pdf	NNP
4520	309	31	.	.	.
4520	310	1	34	34	CD
4520	310	2	.	.	.
4520	311	1	Open	Open	NNP
4520	311	2	Archives	Archives	NNPS
4520	311	3	Initiative	Initiative	NNP
4520	311	4	Object	Object	NNP
4520	311	5	Reuse	Reuse	NNP
4520	311	6	and	and	CC
4520	311	7	Exchange	Exchange	NNP
4520	311	8	,	,	,
4520	311	9	http://www.openarchives.org/ore/.	http://www.openarchives.org/ore/.	NNP
4520	312	1	35	35	CD
4520	312	2	.	.	.
4520	313	1	OPML	OPML	NNP
4520	313	2	(	(	-LRB-
4520	313	3	Outline	Outline	NNP
4520	313	4	Processor	Processor	NNP
4520	313	5	Markup	Markup	NNP
4520	313	6	Language	Language	NNP
4520	313	7	)	)	-RRB-
4520	313	8	,	,	,
4520	313	9	http://dev.opml.org/.	http://dev.opml.org/.	NNS
4520	314	1	36	36	CD
4520	314	2	.	.	.
4520	315	1	Adrian	Adrian	NNP
4520	315	2	P.	P.	NNP
4520	315	3	O’Riordan	O’Riordan	NNP
4520	315	4	,	,	,
4520	315	5	and	and	CC
4520	315	6	M.	M.	NNP
4520	315	7	Oliver	Oliver	NNP
4520	315	8	O’Mahoney	O’Mahoney	NNP
4520	315	9	,	,	,
4520	315	10	“	"	``
4520	315	11	Engineering	engineer	VBG
4520	315	12	an	an	DT
4520	315	13	Open	open	JJ
4520	315	14	Web	web	NN
4520	315	15	Syndication	Syndication	NNP
4520	315	16	Interchange	Interchange	NNP
4520	315	17	with	with	IN
4520	315	18	Discovery	Discovery	NNP
4520	315	19	and	and	CC
4520	315	20	Recommender	Recommender	NNP
4520	315	21	Capabilities	Capabilities	NNPS
4520	315	22	,	,	,
4520	315	23	”	"	''
4520	315	24	Journal	Journal	NNP
4520	315	25	of	of	IN
4520	315	26	Digital	Digital	NNP
4520	315	27	Information	Information	NNP
4520	315	28	,	,	,
4520	315	29	12	12	CD
4520	315	30	,	,	,
4520	315	31	no	no	UH
4520	315	32	.	.	.
4520	316	1	1	1	CD
4520	316	2	(	(	-LRB-
4520	316	3	2011	2011	CD
4520	316	4	)	)	-RRB-
4520	316	5	,	,	,
4520	316	6	http://journals.tdl.org/jodi/index.php/jodi/article/viewArticle/962	http://journals.tdl.org/jodi/index.php/jodi/article/viewArticle/962	NNP
4520	316	7	.	.	.
4520	317	1	37	37	CD
4520	317	2	.	.	.
4520	318	1	Vicky	Vicky	NNP
4520	318	2	Reich	Reich	NNP
4520	318	3	and	and	CC
4520	318	4	David	David	NNP
4520	318	5	S.	S.	NNP
4520	318	6	H.	H.	NNP
4520	318	7	Rosenthal	Rosenthal	NNP
4520	318	8	,	,	,
4520	318	9	“	"	``
4520	318	10	LOCKSS	LOCKSS	NNP
4520	318	11	:	:	:
4520	318	12	A	a	DT
4520	318	13	Permanent	Permanent	NNP
4520	318	14	Web	Web	NNP
4520	318	15	Publishing	Publishing	NNP
4520	318	16	and	and	CC
4520	318	17	Access	Access	NNP
4520	318	18	System	System	NNP
4520	318	19	,	,	,
4520	318	20	”	"	''
4520	318	21	D	D	NNP
4520	318	22	-	-	HYPH
4520	318	23	Lib	Lib	NNP
4520	318	24	Magazine	Magazine	NNP
4520	318	25	7	7	CD
4520	318	26	,	,	,
4520	318	27	no	no	UH
4520	318	28	.	.	.
4520	319	1	6	6	CD
4520	319	2	(	(	-LRB-
4520	319	3	2001	2001	CD
4520	319	4	)	)	-RRB-
4520	319	5	:	:	:
4520	319	6	14	14	CD
4520	319	7	,	,	,
4520	319	8	http://mirror.dlib.org/dlib/june01/reich/06reich.html	http://mirror.dlib.org/dlib/june01/reich/06reich.html	NNP
4520	319	9	.	.	.
4520	320	1	http://www.tandfonline.com/doi/abs/10.1080/13614570109516969	http://www.tandfonline.com/doi/abs/10.1080/13614570109516969	NNP
4520	320	2	http://www.dlib.org/dlib/june06/zeng/06zeng.html	http://www.dlib.org/dlib/june06/zeng/06zeng.html	JJ
4520	320	3	http://www.json.org/	http://www.json.org/	NN
4520	320	4	http://www.openarchives.org/OAI/openarchivesprotocol.html	http://www.openarchives.org/oai/openarchivesprotocol.html	NN
4520	320	5	http://www.dlib.org/dlib/february00/vandesompel-ups/02vandesompel-ups.html	http://www.dlib.org/dlib/february00/vandesompel-ups/02vandesompel-ups.html	ADD
4520	320	6	http://oaister.worldcat.org/	http://oaister.worldcat.org/	NNP
4520	320	7	http://www.ietf.org/rfc/rfc4287	http://www.ietf.org/rfc/rfc4287	NNP
4520	320	8	http://cyber.law.harvard.edu/rss/rss.html	http://cyber.law.harvard.edu/rss/rss.html	-LRB-
4520	320	9	http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared	http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared	NNP
4520	320	10	http://xml.coverpages.org/ICEv20-WorkingDraft.pdf	http://xml.coverpages.org/ICEv20-WorkingDraft.pdf	NNP
4520	320	11	http://www.openarchives.org/ore/	http://www.openarchives.org/ore/	NNP
4520	320	12	http://dev.opml.org/	http://dev.opml.org/	NN
4520	320	13	http://journals.tdl.org/jodi/index.php/jodi/article/viewArticle/962	http://journals.tdl.org/jodi/index.php/jodi/article/viewArticle/962	NNP
4520	320	14	http://mirror.dlib.org/dlib/june01/reich/06reich.html	http://mirror.dlib.org/dlib/june01/reich/06reich.html	NNP
4520	320	15	INFORMATION	INFORMATION	VBD
4520	320	16	TECHNOLOGY	TECHNOLOGY	NNP
4520	320	17	AND	and	CC
4520	320	18	LIBRARIES	library	NNS
4520	320	19	|	|	NNP
4520	320	20	JUNE	JUNE	NNP
4520	320	21	2014	2014	CD
4520	320	22	59	59	CD
4520	320	23	38	38	CD
4520	320	24	.	.	.
4520	321	1	Erik	Erik	NNP
4520	321	2	Selberg	Selberg	NNP
4520	321	3	and	and	CC
4520	321	4	Oren	Oren	NNP
4520	321	5	Etzioni	Etzioni	NNP
4520	321	6	,	,	,
4520	321	7	“	"	``
4520	321	8	Multi	multi	JJ
4520	321	9	-	-	NN
4520	321	10	service	service	NN
4520	321	11	Search	Search	NNP
4520	321	12	and	and	CC
4520	321	13	Comparison	Comparison	NNP
4520	321	14	Using	use	VBG
4520	321	15	the	the	DT
4520	321	16	MetaCrawler	MetaCrawler	NNP
4520	321	17	,	,	,
4520	321	18	”	"	''
4520	321	19	in	in	IN
4520	321	20	Proceedings	Proceedings	NNP
4520	321	21	of	of	IN
4520	321	22	the	the	DT
4520	321	23	Fourth	Fourth	NNP
4520	321	24	Int'l	Int'l	NNPS
4520	321	25	WWW	WWW	NNP
4520	321	26	Conference	Conference	NNP
4520	321	27	,	,	,
4520	321	28	Boston	Boston	NNP
4520	321	29	,	,	,
4520	321	30	1995	1995	CD
4520	321	31	.	.	.
4520	322	1	[	[	-LRB-
4520	322	2	pub	pub	NN
4520	322	3	info	info	NN
4520	322	4	?	?	.
4520	322	5	]	]	-RRB-
4520	323	1	39	39	CD
4520	323	2	.	.	.
4520	324	1	NISO	NISO	NNP
4520	324	2	Metasearch	Metasearch	NNP
4520	324	3	Initiative	Initiative	NNP
4520	324	4	,	,	,
4520	324	5	Metasearch	Metasearch	NNP
4520	324	6	XML	XML	NNP
4520	324	7	Gateway	Gateway	NNP
4520	324	8	Implementers	Implementers	NNP
4520	324	9	Guide	Guide	NNP
4520	324	10	,	,	,
4520	324	11	Version	version	NN
4520	324	12	1.0	1.0	CD
4520	324	13	,	,	,
4520	324	14	NISO	NISO	NNP
4520	324	15	RP-2006	RP-2006	NNP
4520	324	16	-	-	HYPH
4520	324	17	02	02	CD
4520	324	18	,	,	,
4520	324	19	2006	2006	CD
4520	324	20	,	,	,
4520	324	21	http://www.niso.org/publications/rp/RP-2006-02.pdf	http://www.niso.org/publications/rp/rp-2006-02.pdf	ADD
4520	324	22	.	.	.
4520	325	1	40	40	CD
4520	325	2	.	.	.
4520	326	1	DeWitt	DeWitt	NNP
4520	326	2	Clinton	Clinton	NNP
4520	326	3	,	,	,
4520	326	4	“	"	``
4520	326	5	OpenSearch	OpenSearch	NNP
4520	326	6	1.1	1.1	CD
4520	326	7	Specification	Specification	NNP
4520	326	8	,	,	,
4520	326	9	draft	draft	NN
4520	326	10	5	5	CD
4520	326	11	,	,	,
4520	326	12	”	"	''
4520	326	13	http://opensearch.org/Specifications/OpenSearch/1.1	http://opensearch.org/specifications/opensearch/1.1	RB
4520	326	14	.	.	.
4520	327	1	41	41	CD
4520	327	2	.	.	.
4520	328	1	Judith	Judith	NNP
4520	328	2	Wusteman	Wusteman	NNP
4520	328	3	,	,	,
4520	328	4	“	"	``
4520	328	5	OJAX	ojax	NN
4520	328	6	:	:	:
4520	328	7	A	a	DT
4520	328	8	Case	Case	NNP
4520	328	9	Study	Study	NNP
4520	328	10	in	in	IN
4520	328	11	Agile	Agile	NNP
4520	328	12	Web	Web	NNP
4520	328	13	2.0	2.0	CD
4520	328	14	Open	open	JJ
4520	328	15	Source	source	NN
4520	328	16	Development	development	NN
4520	328	17	,	,	,
4520	328	18	”	"	''
4520	328	19	in	in	IN
4520	328	20	Aslib	Aslib	NNP
4520	328	21	Proceedings	Proceedings	NNP
4520	328	22	61	61	CD
4520	328	23	,	,	,
4520	328	24	no	no	UH
4520	328	25	.	.	.
4520	329	1	3	3	CD
4520	329	2	(	(	-LRB-
4520	329	3	2009	2009	CD
4520	329	4	)	)	-RRB-
4520	329	5	:	:	:
4520	329	6	212–31	212–31	CD
4520	329	7	,	,	,
4520	329	8	http://dx.doi.org/10.1108/00012530910959781	http://dx.doi.org/10.1108/00012530910959781	NNP
4520	329	9	.	.	.
4520	330	1	42	42	CD
4520	330	2	.	.	.
4520	331	1	Judith	Judith	NNP
4520	331	2	Wusteman	Wusteman	NNP
4520	331	3	and	and	CC
4520	331	4	Padraig	Padraig	NNP
4520	331	5	O’hlceadha	O’hlceadha	NNP
4520	331	6	,	,	,
4520	331	7	“	"	``
4520	331	8	Using	use	VBG
4520	331	9	Ajax	Ajax	NNP
4520	331	10	to	to	TO
4520	331	11	Empower	empower	VB
4520	331	12	Dynamic	Dynamic	NNP
4520	331	13	Searching	searching	NN
4520	331	14	,	,	,
4520	331	15	”	"	''
4520	331	16	Information	Information	NNP
4520	331	17	Technology	Technology	NNP
4520	331	18	&	&	CC
4520	331	19	Libraries	Libraries	NNP
4520	331	20	25	25	CD
4520	331	21	,	,	,
4520	331	22	no	no	UH
4520	331	23	.	.	.
4520	332	1	2	2	CD
4520	332	2	(	(	-LRB-
4520	332	3	2013	2013	CD
4520	332	4	)	)	-RRB-
4520	332	5	:	:	:
4520	332	6	57–64	57–64	CD
4520	332	7	,	,	,
4520	332	8	http://0-	http://0-	NNP
4520	332	9	www.ala.org.sapl.sat.lib.tx.us/lita/ital/sites/ala.org.lita.ital/f	www.ala.org.sapl.sat.lib.tx.us/lita/ital/sites/ala.org.lita.ital/f	NNP
4520	332	10	iles	ile	NNS
4520	332	11	/	/	SYM
4520	332	12	content/25/2	content/25/2	NNP
4520	332	13	/	/	SYM
4520	332	14	wusteman.pd	wusteman.pd	NNP
4520	332	15	f.	f.	NNP
4520	332	16	43	43	CD
4520	332	17	.	.	.
4520	333	1	Adrian	Adrian	NNP
4520	333	2	P.	P.	NNP
4520	333	3	O	O	NNP
4520	333	4	–	–	:
4520	333	5	Riordan	Riordan	NNP
4520	333	6	,	,	,
4520	333	7	“	"	``
4520	333	8	Open	open	JJ
4520	333	9	Meta	Meta	NNP
4520	333	10	-	-	HYPH
4520	333	11	Search	Search	NNP
4520	333	12	with	with	IN
4520	333	13	OpenSearch	OpenSearch	NNP
4520	333	14	:	:	:
4520	333	15	A	a	DT
4520	333	16	Case	Case	NNP
4520	333	17	Study	Study	NNP
4520	333	18	,	,	,
4520	333	19	”	"	''
4520	333	20	technical	technical	JJ
4520	333	21	report	report	NN
4520	333	22	hosted	host	VBN
4520	333	23	at	at	IN
4520	333	24	cora.ucc.ie	cora.ucc.ie	NNP
4520	333	25	repository	repository	NN
4520	333	26	,	,	,
4520	333	27	2007	2007	CD
4520	333	28	,	,	,
4520	333	29	http://dx.doi.org/10468/982	http://dx.doi.org/10468/982	ADD
4520	333	30	.	.	.
4520	334	1	44	44	CD
4520	334	2	.	.	.
4520	335	1	Ralph	Ralph	NNP
4520	335	2	LeVan	LeVan	NNP
4520	335	3	,	,	,
4520	335	4	“	"	``
4520	335	5	OpenSearch	OpenSearch	NNP
4520	335	6	and	and	CC
4520	335	7	SRU	SRU	NNP
4520	335	8	:	:	:
4520	335	9	A	a	DT
4520	335	10	Continuum	Continuum	NNP
4520	335	11	of	of	IN
4520	335	12	Searching	Searching	NNP
4520	335	13	,	,	,
4520	335	14	”	"	''
4520	335	15	Information	Information	NNP
4520	335	16	Technology	Technology	NNP
4520	335	17	&	&	CC
4520	335	18	Libraries	Libraries	NNP
4520	335	19	25	25	CD
4520	335	20	,	,	,
4520	335	21	no	no	UH
4520	335	22	.	.	.
4520	336	1	3	3	CD
4520	336	2	(	(	-LRB-
4520	336	3	2013	2013	CD
4520	336	4	)	)	-RRB-
4520	336	5	:	:	:
4520	336	6	151–53	151–53	CD
4520	336	7	,	,	,
4520	336	8	https://napoleon.bc.edu/ojs/index.php/ital/article/view/3346	https://napoleon.bc.edu/ojs/index.php/ital/article/view/3346	JJ
4520	336	9	.	.	.
4520	337	1	45	45	CD
4520	337	2	.	.	.
4520	338	1	Dong	Dong	NNP
4520	338	2	Nguyen	Nguyen	NNP
4520	338	3	et	et	NNP
4520	338	4	al	al	NNP
4520	338	5	.	.	NNP
4520	338	6	,	,	,
4520	338	7	“	"	``
4520	338	8	Federated	Federated	NNP
4520	338	9	Search	Search	NNP
4520	338	10	in	in	IN
4520	338	11	the	the	DT
4520	338	12	Wild	Wild	NNP
4520	338	13	:	:	:
4520	338	14	The	the	DT
4520	338	15	Combined	Combined	NNP
4520	338	16	Power	Power	NNP
4520	338	17	of	of	IN
4520	338	18	Over	over	IN
4520	338	19	a	a	DT
4520	338	20	Hundred	Hundred	NNP
4520	338	21	Search	Search	NNP
4520	338	22	Engines	Engines	NNPS
4520	338	23	,	,	,
4520	338	24	”	"	''
4520	338	25	in	in	IN
4520	338	26	Proceedings	Proceedings	NNP
4520	338	27	of	of	IN
4520	338	28	the	the	DT
4520	338	29	21st	21st	JJ
4520	338	30	ACM	ACM	NNP
4520	338	31	International	International	NNP
4520	338	32	Conference	Conference	NNP
4520	338	33	on	on	IN
4520	338	34	Information	Information	NNP
4520	338	35	and	and	CC
4520	338	36	Knowledge	Knowledge	NNP
4520	338	37	Management	Management	NNP
4520	338	38	(	(	-LRB-
4520	338	39	Maui	Maui	NNP
4520	338	40	,	,	,
4520	338	41	Hawaii	Hawaii	NNP
4520	338	42	)	)	-RRB-
4520	338	43	:	:	:
4520	338	44	ACM	ACM	NNP
4520	338	45	Press	Press	NNP
4520	338	46	,	,	,
4520	338	47	2012	2012	CD
4520	338	48	)	)	-RRB-
4520	338	49	:	:	:
4520	338	50	1874–78	1874–78	LS
4520	338	51	,	,	,
4520	338	52	http://dl.acm.org/citation.cfm?id=2398535	http://dl.acm.org/citation.cfm?id=2398535	NNP
4520	338	53	.	.	.
4520	339	1	46	46	CD
4520	339	2	.	.	.
4520	340	1	B.	B.	NNP
4520	340	2	D.	D.	NNP
4520	340	3	Wilson	Wilson	NNP
4520	340	4	et	et	NNP
4520	340	5	al	al	NNP
4520	340	6	.	.	NNP
4520	340	7	,	,	,
4520	340	8	“	"	``
4520	340	9	Interoperability	Interoperability	NNP
4520	340	10	Using	Using	NNP
4520	340	11	Lightweight	Lightweight	NNP
4520	340	12	Metadata	Metadata	NNP
4520	340	13	Standards	Standards	NNPS
4520	340	14	:	:	:
4520	340	15	Service	Service	NNP
4520	340	16	&	&	CC
4520	340	17	Data	Data	NNP
4520	340	18	Casting	Casting	NNP
4520	340	19	,	,	,
4520	340	20	OpenSearch	OpenSearch	NNP
4520	340	21	,	,	,
4520	340	22	OPM	OPM	NNP
4520	340	23	Provenance	Provenance	NNP
4520	340	24	,	,	,
4520	340	25	and	and	CC
4520	340	26	Shared	Shared	NNP
4520	340	27	SciFlo	SciFlo	NNP
4520	340	28	Workflows	Workflows	NNPS
4520	340	29	,	,	,
4520	340	30	”	"	''
4520	340	31	in	in	IN
4520	340	32	AGU	AGU	NNP
4520	340	33	Fall	Fall	NNP
4520	340	34	Meeting	Meeting	NNP
4520	340	35	Abstracts	Abstracts	NNPS
4520	340	36	1	1	CD
4520	340	37	(	(	-LRB-
4520	340	38	2011	2011	CD
4520	340	39	)	)	-RRB-
4520	340	40	:	:	:
4520	340	41	1593	1593	CD
4520	340	42	,	,	,
4520	340	43	http://adsabs.harvard.edu/abs/2011AGUFMIN51C1593W.	http://adsabs.harvard.edu/abs/2011AGUFMIN51C1593W.	NNP
4520	341	1	47	47	CD
4520	341	2	.	.	.
4520	342	1	Library	Library	NNP
4520	342	2	of	of	IN
4520	342	3	Congress	Congress	NNP
4520	342	4	,	,	,
4520	342	5	“	"	``
4520	342	6	SRU	SRU	NNP
4520	342	7	—	—	:
4520	342	8	Search	Search	NNP
4520	342	9	/	/	SYM
4520	342	10	Retrieve	retrieve	VB
4520	342	11	via	via	IN
4520	342	12	URL	url	NN
4520	342	13	,	,	,
4520	342	14	”	"	''
4520	342	15	www.loc.gov/standards/sru	www.loc.gov/standards/sru	NN
4520	342	16	.	.	.
4520	343	1	48	48	CD
4520	343	2	.	.	.
4520	344	1	The	the	DT
4520	344	2	Library	Library	NNP
4520	344	3	of	of	IN
4520	344	4	Congress	Congress	NNP
4520	344	5	Network	Network	NNP
4520	344	6	Development	Development	NNP
4520	344	7	and	and	CC
4520	344	8	MARC	MARC	NNP
4520	344	9	Standards	Standards	NNP
4520	344	10	Office	Office	NNP
4520	344	11	,	,	,
4520	344	12	“	"	``
4520	344	13	Z39.50	Z39.50	NNP
4520	344	14	Maintenance	Maintenance	NNP
4520	344	15	Agency	Agency	NNP
4520	344	16	Page	Page	NNP
4520	344	17	,	,	,
4520	344	18	”	"	''
4520	344	19	www.loc.gov/z3950/agency	www.loc.gov/z3950/agency	NN
4520	344	20	.	.	.
4520	345	1	49	49	CD
4520	345	2	.	.	.
4520	346	1	Tony	Tony	NNP
4520	346	2	Hammond	Hammond	NNP
4520	346	3	,	,	,
4520	346	4	“	"	''
4520	346	5	nature.com	nature.com	ADD
4520	346	6	OpenSearch	OpenSearch	NNP
4520	346	7	:	:	:
4520	346	8	A	a	DT
4520	346	9	Case	Case	NNP
4520	346	10	Study	Study	NNP
4520	346	11	in	in	IN
4520	346	12	OpenSearch	OpenSearch	NNP
4520	346	13	and	and	CC
4520	346	14	SRU	SRU	NNP
4520	346	15	Integration	Integration	NNP
4520	346	16	,	,	,
4520	346	17	”	"	''
4520	346	18	D	D	NNP
4520	346	19	-	-	HYPH
4520	346	20	Lib	Lib	NNP
4520	346	21	Magazine	Magazine	NNP
4520	346	22	16	16	CD
4520	346	23	,	,	,
4520	346	24	no	no	UH
4520	346	25	.	.	.
4520	347	1	7/8	7/8	CD
4520	347	2	,	,	,
4520	347	3	(	(	-LRB-
4520	347	4	2010	2010	CD
4520	347	5	)	)	-RRB-
4520	347	6	,	,	,
4520	347	7	http://mirror.dlib.org/dlib/july10/hammond/07hammond.print.html	http://mirror.dlib.org/dlib/july10/hammond/07hammond.print.html	ADD
4520	347	8	.	.	.
4520	348	1	50	50	CD
4520	348	2	.	.	.
4520	349	1	Daniel	Daniel	NNP
4520	349	2	Chudnov	Chudnov	NNP
4520	349	3	et	et	NNP
4520	349	4	al	al	NNP
4520	349	5	.	.	NNP
4520	349	6	,	,	,
4520	349	7	“	"	``
4520	349	8	Introducing	introduce	VBG
4520	349	9	unapi	unapi	JJ
4520	349	10	,	,	,
4520	349	11	”	"	''
4520	349	12	2006	2006	CD
4520	349	13	,	,	,
4520	349	14	http://ir.library.oregonstate.edu/xmlui/handle/1957/2359	http://ir.library.oregonstate.edu/xmlui/handle/1957/2359	NNP
4520	349	15	.	.	.
4520	350	1	http://www.niso.org/publications/rp/RP-2006-02.pdf	http://www.niso.org/publications/rp/RP-2006-02.pdf	NFP
4520	350	2	http://opensearch.org/Specifications/OpenSearch/1.1	http://opensearch.org/specifications/opensearch/1.1	RB
4520	350	3	http://dx.doi.org/10.1108/00012530910959781	http://dx.doi.org/10.1108/00012530910959781	PRP$
4520	350	4	http://0-www.ala.org.sapl.sat.lib.tx.us/lita/ital/sites/ala.org.lita.ital/files/content/25/2/wusteman.pdf	http://0-www.ala.org.sapl.sat.lib.tx.us/lita/ital/sites/ala.org.lita.ital/files/content/25/2/wusteman.pdf	NNP
4520	350	5	http://0-www.ala.org.sapl.sat.lib.tx.us/lita/ital/sites/ala.org.lita.ital/files/content/25/2/wusteman.pdf	http://0-www.ala.org.sapl.sat.lib.tx.us/lita/ital/sites/ala.org.lita.ital/files/content/25/2/wusteman.pdf	NNP
4520	350	6	http://0-www.ala.org.sapl.sat.lib.tx.us/lita/ital/sites/ala.org.lita.ital/files/content/25/2/wusteman.pdf	http://0-www.ala.org.sapl.sat.lib.tx.us/lita/ital/sites/ala.org.lita.ital/files/content/25/2/wusteman.pdf	NNP
4520	350	7	http://dx.doi.org/10468/982	http://dx.doi.org/10468/982	NNP
4520	350	8	https://napoleon.bc.edu/ojs/index.php/ital/article/view/3346	https://napoleon.bc.edu/ojs/index.php/ital/article/view/3346	NNP
4520	350	9	http://dl.acm.org/citation.cfm?id=2398535	http://dl.acm.org/citation.cfm?id=2398535	VBZ
4520	350	10	http://adsabs.harvard.edu/abs/2011AGUFMIN51C1593W	http://adsabs.harvard.edu/abs/2011AGUFMIN51C1593W	NNP
4520	350	11	http://www.loc.gov/standards/sru	http://www.loc.gov/standards/sru	NNP
4520	350	12	http://www.loc.gov/z3950/agency	http://www.loc.gov/z3950/agency	VBG
4520	350	13	http://mirror.dlib.org/dlib/july10/hammond/07hammond.print.html	http://mirror.dlib.org/dlib/july10/hammond/07hammond.print.html	VBZ
4520	350	14	http://ir.library.oregonstate.edu/xmlui/handle/1957/2359	http://ir.library.oregonstate.edu/xmlui/handle/1957/2359	NNP
4520	350	15	OPEN	open	JJ
4520	350	16	SEARCH	search	NN
4520	350	17	ENVIRONMENTS	environment	NNS
4520	350	18	:	:	:
4520	350	19	THE	the	DT
4520	350	20	FREE	free	JJ
4520	350	21	ALTERNATIVE	alternative	NN
4520	350	22	TO	to	IN
4520	350	23	COMMERCIAL	commercial	JJ
4520	350	24	SEARCH	SEARCH	NNP
4520	350	25	SERVICES	SERVICES	NNP
4520	350	26	|	|	NNP
4520	350	27	O’RIORDAN	O’RIORDAN	NNP
4520	350	28	60	60	CD
4520	350	29	51	51	CD
4520	350	30	.	.	.
4520	351	1	Daniel	Daniel	NNP
4520	351	2	Chudnov	Chudnov	NNP
4520	351	3	and	and	CC
4520	351	4	Deborah	Deborah	NNP
4520	351	5	England	England	NNP
4520	351	6	,	,	,
4520	351	7	“	"	``
4520	351	8	A	a	DT
4520	351	9	New	New	NNP
4520	351	10	Approach	Approach	NNP
4520	351	11	to	to	IN
4520	351	12	Library	Library	NNP
4520	351	13	Service	Service	NNP
4520	351	14	Discovery	Discovery	NNP
4520	351	15	and	and	CC
4520	351	16	Resource	Resource	NNP
4520	351	17	Delivery	Delivery	NNP
4520	351	18	,	,	,
4520	351	19	”	"	''
4520	351	20	Serials	serial	NNS
4520	351	21	Librarian	Librarian	NNP
4520	351	22	54	54	CD
4520	351	23	,	,	,
4520	351	24	no	no	UH
4520	351	25	.	.	.
4520	352	1	1–2	1–2	CD
4520	352	2	(	(	-LRB-
4520	352	3	2008	2008	CD
4520	352	4	)	)	-RRB-
4520	352	5	:	:	:
4520	352	6	63–69	63–69	LS
4520	352	7	,	,	,
4520	352	8	http://www.tandfonline.com/doi/abs/10.1080/03615260801973448	http://www.tandfonline.com/doi/abs/10.1080/03615260801973448	NNP
4520	352	9	.	.	.
4520	353	1	52	52	CD
4520	353	2	.	.	.
4520	354	1	“	"	``
4520	354	2	News	news	NN
4520	354	3	About	about	IN
4520	354	4	Our	-PRON-	PRP$
4520	354	5	SearchMonkey	SearchMonkey	NNP
4520	354	6	Program	Program	NNP
4520	354	7	,	,	,
4520	354	8	”	"	''
4520	354	9	Yahoo	Yahoo	NNP
4520	354	10	!	!	.
4520	355	1	Search	Search	NNP
4520	355	2	Blog	Blog	NNP
4520	355	3	,	,	,
4520	355	4	2010	2010	CD
4520	355	5	,	,	,
4520	355	6	http://www.ysearchblog.com/2010/08/17/news-about-our-searchmonkey-program/.	http://www.ysearchblog.com/2010/08/17/news-about-our-searchmonkey-program/.	NNP
4520	356	1	53	53	CD
4520	356	2	.	.	.
4520	357	1	Peter	Peter	NNP
4520	357	2	Mika	Mika	NNP
4520	357	3	,	,	,
4520	357	4	“	"	``
4520	357	5	Microsearch	microsearch	NN
4520	357	6	:	:	:
4520	357	7	An	an	DT
4520	357	8	Interface	Interface	NNP
4520	357	9	for	for	IN
4520	357	10	Semantic	Semantic	NNP
4520	357	11	Search	Search	NNP
4520	357	12	,	,	,
4520	357	13	”	"	''
4520	357	14	in	in	IN
4520	357	15	Semantic	Semantic	NNP
4520	357	16	Search	Search	NNP
4520	357	17	,	,	,
4520	357	18	International	International	NNP
4520	357	19	Workshop	Workshop	NNP
4520	357	20	located	locate	VBN
4520	357	21	at	at	IN
4520	357	22	the	the	DT
4520	357	23	5th	5th	JJ
4520	357	24	European	European	NNP
4520	357	25	Semamntic	Semamntic	NNP
4520	357	26	Web	Web	NNP
4520	357	27	Conference	Conference	NNP
4520	357	28	(	(	-LRB-
4520	357	29	ESWC	eswc	RB
4520	357	30	2008	2008	CD
4520	357	31	)	)	-RRB-
4520	357	32	334	334	CD
4520	357	33	(	(	-LRB-
4520	357	34	2008	2008	CD
4520	357	35	)	)	-RRB-
4520	357	36	:	:	:
4520	357	37	79–88	79–88	LS
4520	357	38	,	,	,
4520	357	39	http://CEUR-WS.org/Vol-334/.	http://CEUR-WS.org/Vol-334/.	NNP
4520	358	1	54	54	CD
4520	358	2	.	.	.
4520	359	1	Sten	Sten	NNP
4520	359	2	Govaerts	Govaerts	NNP
4520	359	3	et	et	NNP
4520	359	4	al	al	NNP
4520	359	5	.	.	NNP
4520	359	6	,	,	,
4520	359	7	“	"	``
4520	359	8	A	a	DT
4520	359	9	Federated	Federated	NNP
4520	359	10	Search	Search	NNP
4520	359	11	and	and	CC
4520	359	12	Social	Social	NNP
4520	359	13	Recommendation	Recommendation	NNP
4520	359	14	Widget	Widget	NNP
4520	359	15	,	,	,
4520	359	16	”	"	''
4520	359	17	in	in	IN
4520	359	18	Proceedings	Proceedings	NNP
4520	359	19	of	of	IN
4520	359	20	the	the	DT
4520	359	21	2nd	2nd	JJ
4520	359	22	International	International	NNP
4520	359	23	Workshop	Workshop	NNP
4520	359	24	on	on	IN
4520	359	25	Social	Social	NNP
4520	359	26	Recommender	Recommender	NNP
4520	359	27	Systems	Systems	NNPS
4520	359	28	(	(	-LRB-
4520	359	29	[	[	-LRB-
4520	359	30	pub	pub	NN
4520	359	31	info	info	NN
4520	359	32	?	?	.
4520	360	1	]	]	-RRB-
4520	360	2	,	,	,
4520	360	3	2011	2011	CD
4520	360	4	)	)	-RRB-
4520	360	5	:	:	:
4520	360	6	1–8	1–8	CD
4520	360	7	.	.	.
4520	361	1	55	55	CD
4520	361	2	.	.	.
4520	362	1	S.	S.	NNP
4520	362	2	[	[	-LRB-
4520	362	3	first	first	JJ
4520	362	4	name	name	NN
4520	362	5	?	?	.
4520	363	1	]	]	-RRB-
4520	363	2	Reilly	reilly	RB
4520	363	3	,	,	,
4520	363	4	“	"	``
4520	363	5	Digital	Digital	NNP
4520	363	6	Object	Object	NNP
4520	363	7	Protocol	Protocol	NNP
4520	363	8	Specification	Specification	NNP
4520	363	9	,	,	,
4520	363	10	Version	Version	NNP
4520	363	11	1.0	1.0	CD
4520	363	12	,	,	,
4520	363	13	”	"	''
4520	363	14	November	November	NNP
4520	363	15	12	12	CD
4520	363	16	,	,	,
4520	363	17	2009	2009	CD
4520	363	18	,	,	,
4520	363	19	http://dorepository.org/documentation/Protocol_Specification.pdf	http://dorepository.org/documentation/protocol_specification.pdf	ADD
4520	363	20	.	.	.
4520	364	1	http://www.tandfonline.com/doi/abs/10.1080/03615260801973448	http://www.tandfonline.com/doi/abs/10.1080/03615260801973448	NNP
4520	364	2	http://www.ysearchblog.com/2010/08/17/news-about-our-searchmonkey-program/	http://www.ysearchblog.com/2010/08/17/news-about-our-searchmonkey-program/	NNP
4520	364	3	http://ceur-ws.org/Vol-334/	http://ceur-ws.org/Vol-334/	NNP
4520	364	4	http://dorepository.org/documentation/Protocol_Specification.pdf	http://dorepository.org/documentation/Protocol_Specification.pdf	NNP