6Jiawei, Han, Micheline Kamber. Data Mining: Concepts and Techniques. 2000, 187-198.
7Dou Z, Song R, Wen J R. A Large-scale Evaluation and Analysis of Personalized Search Strategies[C] //Proceedings of WWW. [S. l. ] :ACM, 2007:581-590.
8Li L, Yang Z, Wang B, et al. Dynamic Adaptation Strategies for Long-term and Short-term User Profile to Personalize Search [C]//Proceedings of APWeb/WAIM. Germany: Springer, 2007:228-240.
9Liu F, Yu C T,Meng W. Personalized Web Search for Improving Retrieval Effectiveness[J]. IEEE Trans Knowl Data Eng, 2004, 16(1) :28-40.
10Shen X, Tan B,Zhai C. Implicit User Modeling for Personalized Search[C]//Proceedings of CIKM. [S. l. ] :ACM, 2005:824- 831.