Bigus, J. P. & Bigus, J. ( 1998 ). Constructing Intelligent Agents with Java ”A Programmer's Guide to Smarter Applications . Hoboken, NJ : Wiley InterScience .
Cabri, G., Leonardi, L., & Zambonelli, F. ( 2000, February ). Mobile-agent coordination models for Internet applications . IEEE Spectrum .
Chen, H., Chung, Y., Ramsey, M., & Yang, C. ( 1997 ). Intelligent spider for Internet searching . In Proceedings of the 30 th Hawaii International Conference on System Sciences ( vol. IV , pp. 178 “188 ).
Cho, H. J., Garcia-Molina, H., & Page, L. ( 1998 ). Efficient crawling through URL ordering . Proceedings of the 7 th International Web Conference , Brisbane, Australia ( April 14 “18 ).
Chong, C. W., Ramachandran, V., & Eswaran, C. ( 1999 ). Equivalence class approach for web link classification . Malaysia : University Telekom, Faculty of Engineering and Information Technology ( Conference Paper ).
Eyeballz. ( 2002 ). Search engine marketing in New Zealand . Last accessed May 24, 2002, from : http://www.eyeballz.co.nz/search_engine_statistics.htm
Hines, M. ( 2002 ). The problem with petrabytes . The Information Architect . Last accessed June 5, 2002, from : http://www.techtarget.com.au
Jensen, J. ( 2002 ). Using an intelligent agent to enhance search engine performance . Retrieved January 2002, from : http://www.firstmonday.dk/issues/issue2_3/jansen/index.htm
Jentzsch, R. & Gobbin, R. ( 2002 ). An e-commerce communicative multi-agent agent model . Proceedings of the IRMA 2002 Conference , Seattle, Washington ( May 19 “22 ).
Lawrence, S. & Giles, C. L. ( 1999 ). Accessibility of information on the Web . Nature , 400 , 107 “109 .
Lucas, I. & Nissenbaum, H. ( 2000, June ). The politics of search engine . IEEE Spectrum .
Maes, P. ( 1994 ). Agents that reduce work and information overload . Communications of the ACM , 19 ( 1 ), 31 “40 .
Nwana, H. S. ( 1996 ). Software agents: An overview . Knowledge Engineering Review , 11 ( 3 ), 205 “244 .
Searchengines.com . ( 2002 ). Last accessed June 10, 2002, from : http://www.searchengines.com/searchEnginesRankings.html
Searchengines.com . ( 2002 ). Last accessed June 10, 2002, from : http://www.searchengines.com/search_engine_statistics.html
Sullivan, D. (ed.). Nielsen//NetRatings search engine ratings . Current Audience Reach . Last accessed May 9, 2002, from : http://www.searchenginewatch.com/ reports /netratings.html
Watson, M. ( 1997 ). Intelligent Java Applications for the Internet and Intranet . San Francisco, CA : Morgan Kaufmann .