9Adomavicius G.. and Tuzhilin A. Using Data Mining Methods to Build Customer Profiles[J]. IEEE Computer, 2001,(2):74-82.
10Balabanovic M. and Shoham Y. Learning Infomaafion Retrieval Agents: Experiments with Automated Web Browsing[A]. AAA. Proceedings of the AAAI Spring Symposium Series on Information Gathering from Heterogeneous[C]. Menlo Park. California: AAAI Press ,1995.13-18.
