id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-16149	Repplinger, John	G.G. Chowdhury. Introduction to Modern Information Retrieval. 3rd ed. London: Facet, 2010. 508p. alk. paper, $90 (ISBN 9781555707156). LC2010-013746.	2011-03-01	2	.pdf	application/pdf	1272	69	55	Chapters nine through twenty-two focus on the main types of IR systems: search and retrieval, user-centered mod- els and interfaces, evaluation of IR Book Reviews 195 systems, and IR system types (systems for CD-ROM, multimedia, markup languages, Internet, natural language processing, citation analysis, and digital libraries). There is also no discussion of the economic value of IR systems like the decreasing cost of memory.	cache/crl-16149.pdf	txt/crl-16149.txt