5A,E. Howe and D. Dreihnger, SavvySearch: A Meta-Search Engine that Learns with Search Engines to Query, AI Maganize,1997,18(2):19-25.
6A.L. Powell, .I.C. French, .I.P. Callan, M.E. Connell, and C. L.Viles. The Impact of Database Selection on Distributed Searching.proc. 23rd Ann. intl ACM SIGIR Conf. Research and Development in Information Retrival, 2000:232 -239.
7C. T. Yu, W. Meng, W. Wu,and K. - L. Liu. Efficient and EffectiveMetasearch for Text Database Incorporating Linkages among Documents. ACM SIGMOD,2001:187 - 198.
8D.H. Widyantoro, T.R. Ioerger,and .I. Yen. An Adaptive Algorithm for Learning Changes in User Interest s. Proc. Eighth ACM Int' 1 Conf. Information and Knowledge Management( CIKM), 1999:254 -261.
9U. Cetintemel, M. J. Franklin, and C. L. Giles. Self - Adaptive User Profiles for Large - Scale Data Delivery. Proc. 16th Int I Conf. Data Eng. ( ICDE ) ,2000:622 - 633.
10T. Joachims,D. Freitage,and T. Mitchell. Webwatcher: A Tour Guide for the World Wide Wed. Proc,15th Intl Joint Conf. Artificial Intelligence ( IJCAI), 1997:770 - 777.