1Brin S,Page L. The anatomy of a large-scale hypertextual web search engine[J]. Proc of 7th World Wide Web Conf (WWW'98) ,Brisbane ,Australia, 1998,178-185.
2MitchellTM著 曾华军 张银奎译.机器学习[M].北京:机械工业出版社,2003..
3Salton G, Wong A, Yang CS. On the specification of term values in automatic indexing[ J]. Journal of Documentation, 1973, 29 (4):351 - 372.
