2Jiawei Han.Micheline Kamber.Data Mining Concepts and Techniques[M].机械工业出版社;2001.
3Mobasher. B.,Dai,H.,Luo,T.,and Nakagawa. M,Improving the Effectiveness of Collaborative Filtering on Anonymous Web Usage Data[C].Proceedings of the UCAI 2001 Workshop on Intelligent Techniques for Web Personalization(ITWPO1), 2001.
4Sarwar. B, Karypis. G, Konstan. J. Item-Based collaborative filtering recommendation algorithms[C]. Proceedings of the 10th International World Wide Web Conference. 2001,285-295.