id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
clgiles-ist-psu-edu-8875	C. Lee Giles, Yang Sun, Isaac G. Councill	Measuring the web crawler ethics	2010-04-16	2	.pdf	application/pdf	1567	202	68	web crawler ethics based on their behaviors on web servers. We investigate and define rules to measure crawler ethics, propose a vector space model to represent crawler behavior and measure the ethics of web crawlers based on the robots.txt, web crawler ethics, ethicality, privacy called robots.txt) in the root directory of a website, allowing webmasters to indicate to visiting crawlers which parts In this research, we propose a vector space model of measuring web crawler ethics based on the Robots Exclusion measure of web crawler ethics. measure of web crawler ethics. measure of web crawler ethics. In our research, each web crawler's behavior is modeled scores to evaluate web crawler ethics. crawlers to crawl their web pages is that the search engines ethical for a web crawler means bringing more visits back Table 1: Content ethicality scores for crawlers visited our test site. Table 2: Access ethicality scores for crawlers visited	./cache/clgiles-ist-psu-edu-8875.pdf	./txt/clgiles-ist-psu-edu-8875.txt