id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
1867	Powell, James E.; Alcazar, Daniel A.; Hopkins, Matthew; McMahon, Tamara M.; Wu, Amber; Collins, Linn; Olendorf, Robert	Graphs in Libraries: A Primer	2011-12-01	13	.pdf	application/pdf	8470	586	59	Whenever librarians use Semantic Web services and standards for representing data, they also generate graphs, In this paper we introduce graph theory and explore its real and potential applications in the context of digital libraries. for representing the relationships between components of a complex system.3 It uses graphs, The user never sees a graph, but this graphbased approach to exploring a complex system (the web), Graph theory, also known as network science, has evolved In homogeneous graphs, nodes have no significant difference between their number of connections. world and scale-free networks are typical of complex systems that occur in nature or evolve because of emergent of edges connected to any given node in a network: a to apply social network theory to graphs. In an informational network, the nodes with high betweenness centrality Citation graphs more strongly resemble scale-free networks, in which early papers in a given field tend to 	./cache/1867.pdf	./txt/1867.txt