REFERENCES

Ashish, N. & Knoblock, C. A. ( 1997 ). Semi-automatic wrapper generation for Internet information sources . Second IFCIS Conference on Cooperative Information Systems (CoopIS) , Charleston, South Carolina .

Baeza-Yates, R. & Ribeiro-Neto, B. ( 1999 ). Modern Information Retrieval . Boston, MA : Addison-Wesley Longman .

Balabanovic, M., Shoham, Y., & Yun, T. ( 1995 ). An adaptive agent for automated web browsing .

Bellifemine, F., Poggi, A., & Rimassa, G. ( 1999 ). Jade - A FIPA-compliant agent framework . In Proceedings of the Conference on Practical Applications of Agents and Multi- Agents (PAAM'99) , London ( pp. 97 “108 ).

Berners-Lee, T., Hendler, J., & Lassila, O. ( 2001 ). The semantic web . Scientific American .

Bremer, J. M. & Gertz, M. ( 2002 ). Xquery/ir: Integrating XML documents and data retrieval .

Camacho, D., Aler, R., Castro, C., & Molina J. M. ( 2002 ). Performance evaluation of Zeus, Jade and skeleton agent frameworks . In Proceedings of the IEEE Systems, Man, and Cybernectics Conference (SMC-2002), Hammamet, Tunisia . New York : IEEE Press .

Camacho, D., Molina J. M., Borrajo, D., & Aler, R. ( 2002 ). Mapweb: Cooperation between planning agents and web agents . Information & Security: An International Journal, Special issue on Multi-agent Technologies , 8 .

Camacho, D., Molina J. M., Borrajo, D., & Aler, R. ( 2002 ). Solving travel problems by integrating web information with planning . In Proceedings of the 13th International Symposium on Methodologies for Intelligent Systems (ISMIS 2002) , Lyon, France. Berlin : Springer-Verlag .

Chen, H., Chung, Y., Ramsey, M., & Yang, C. ( 2001 ). A smart itsy bitsy spider for the Web . Journal of the American Society for Information Science .

Collis, J., Ndumu, D., Nwana, H. S., & Lee, L. ( 1998 ). The Zeus agent building tool-kit . The British Telecom Technology Journal , 16 ( 3 ), 60 “68 .

Decker, K., Sycara, K. & Williamson, M. ( 1997 ). Middle-agents for the Internet . Proceedings of the 15th International Joint Conference on Artificial Intelligence , Nagoya, Japan .

Fan, Y. & Gauch, S. ( 1999 ). Adaptive agents for information gathering from multiple, distributed information sources . Proceedings of the 1999 AAAI Symposium on Intelligent Agents in Cyberspace , Stanford University , California .

Finin, T., Fritzson, R., Mackay, D. & McEntire, R. ( 1994 ). KQML as an agent communication language . In Proceedings of the 3rd International Conference on Information and Knowledge Management (CIKM94), Gaithersburg, Maryland ( pp. 456 “463 ). New York : ACM Press .

FIPA.org . ( 1997 ) Agent communication language . Foundation for Intelligent Physical Agents . ( Technical Report )

Freitag, D. ( 1998 ). Information extraction from HTML: Application of a general learning approach . In Proceedings of the 15th National Conference on Artificial Intelligence (AAAI-98) . Menlo Park, CA : AAAI Press .

Gruber, T. R. ( 1993 ). A translation approach to portable ontologies . Knowledge Acquisition , 5 ( 2 ), 199 “220 .

Howe, A. E. & Dreilinger, D. ( 1997 ). Savvysearch: A metasearch engine that learns which search engines to query . AI Magazine , 18 ( 2 ), 19 “25 .

Jones, K. S. & Willett, P. ( 1997 ). Readings in Information Retrieval . San Francisco, CA : Morgan Kaufmann .

Knoblock, C. A. et al. ( 2000 ). The Ariadne approach to web-based information integration . International Journal on Cooperative Information Systems (IJCIS) Special Issue on Intelligent Information Agents: Theory and Applications .

Kushmerick, N. ( 2000 ). Wrapper induction: Efficiency and expressiveness . Artificial Intelligence , 118 ( 1 “2 ), 15 “68 .

Kushmerick, N., Weld, D. S., & Doorenbos, R. B. ( 1997 ). Wrapper induction for information extraction . In Proceedings of the International Joint Conference on Artificial Intelligence (IJCAI'97) ( pp. 729 “737 ).

Lewerenz, J. ( 2000 ). Automatic generation of human-computer interaction in heterogeneous and dynamic environments based on conceptual modelling .

Lieberman, H. ( 1995 ). Letizia: An agent that assists web browsing . In Proceedings of the International Joint Conference on Artificial Intelligence (IJCAI'95) ( pp. 924 “929 ).

Nwana, H. S., Lee, L. C. & Jennings, N. R. ( 1996 ). Coordination in software agent systems . The British Telecom Technical Journal , 14 ( 4 ), 79 “88 .

Petrie, C. ( 1996 ). Agent-based engineering, the Web, and intelligence . IEEE Expert , 11 ( 6 ), 24 “29 .

Rosenschein, J. ( 1985 ). Rational interaction: Cooperation among intelligent agents . Stanford, CA : Standford University . ( PhD Thesis ).

Sahuguet, A. & Azavant, F. ( 1999 ). Building light-weight wrappers for legacy web data-sources using W4F . Proceedings of the International Conference on Very Large Databases (VLDB) .

Sahuguet, A. & Azavant, F. ( 2001 ). Building intelligent web applications using lightweight wrappers . Data & Knowledge Engineering , 36 ( 3 ), 283 “316 .

Selberg, E. & Etzioni, O. ( 1997, January/February ). The metacrawler architecture for resource aggregation on the Web . IEEE Expert , 8 “14 .

Serafini, L. & Ghidini, C. ( 2000 ). Using wrapper agents to answer queries in distributed information systems . Proceedings of the 4th International Conference on Multiagent Systems .

Sycara, K. P. ( 1989 ). Multiagent compromise via negotiation . In Distributed Artificial Intelligence ( vol. II , pp. 119 “138 ). San Mateo, CA : Morgan Kaufmann .