3Volokh E. Personlization and privacy [J]. Communications of the ACM,2000,43(8):84-88.
4Wu Y H,Chen Y C,Chen AL P. Enabling personalized recommendation on the web based on user interests and behaviors[A]. In: Klas W. Proceedings of the 11th International Workshop on Research Issues in Data Engineering[C]. Los Alamitors, CA: IEEE CS Press,2002.17-24.
5Pretschner A. Ontology based personalized search[D]. Lawrence,KS: University of Kansas, 1999.
6Adornavicius G, Tuzhilin A. User profiting in preso-nalization applications through rule discovery and validation[A]. In: Lee D, Schkolnich M, Provost F, et al. Proceeding of the 5th International Conference on Data Mining and Knowledge Discovery[C]. New York:ACM Press, 1999. 377-381.
7[1]R Armstrong,D Freitag,T Joachims et al.Web Watcher:A Learning apprentice for the World Wide Web[C]In:Proc AAAI Spring Symp on Information Gathering form Heterogeneous,Distributed Environments,1995-03
8[2]H Liebermann.Letizia:Am Agemt that assists Web browsong[C].In:Proc Intl Conf on AI Montreal ,Canada,1995-08.
9[3]H Liebermann.Autonomous interface agents[C]In:Proc ACM Conf on Computers and Human Interaction(CHI97),Atlanta,USA,1997-05
10[4]T Kurki,S Jokela,R Sulonen et al.Agents in delvering personalized content based on semantic metadata[C].In:Proc 1999 AAAI SpringUSA, 1999: 84~93