主题：[推荐]一本不错的信息检索教材

Introduction to Information Retrieval.

C.D. Manning, P. Raghavan, H.Schütze. Cambridge UP, 2007. Draft.

Focuses on algorithms and mathematical foundations without neglecting practical issues in building search systems. Equal coverage of classical IR and newer topics like XML, machine learning techniques and web search engines.

参考链接：http://www-csli.stanford.edu/~hinrich/information-retrieval-book.html

http://ir.ict.ac.cn/~wangbin/ircourse/index.htm