REFERENCES

Bray, T., Paoli, J. & Sperberg-McQueen, C. M. ( 1998 ). Extensible markup language (XML) 1.0 . World Wide Web Consortium .

DARPA . ( 2000 ). The DARPA agent markup language (DAML) . Available: http://www.daml.org/

El-Beltagy, S. ( 1998 ). Approaches to System Integration for Distributed Information Management . Southampton, UK : University of Southampton .

El-Beltagy, S. ( 2000 ). Context, Queries, and the Web . Southampton, UK : University of Southampton .

Fensel, D. E. ( 2000 ). The semantic web and its languages . IEEE Intelligent Systems , 15 ( 6 ), 67 “73 .

Garcia-Molina, H., Hammer, J., Ireland, K., Papakonstantinou, Y., Ullman, J., & Widom, J. ( 1995 ). Integrating and accessing heterogeneous information sources in TSIMMIS . Paper presented at the AAAI Symposium on Information Gathering , Stanford, California .

Han, J. & Chang, K. C.-C. ( 2002 ). Data mining for web intelligence . IEEE Computer , 35 ( 11 ), 64 “70 .

Heflin, J. & Hendler, J. ( 2000a ). Dynamic ontologies on the Web . Paper presented at the 17th National Conference on Artificial Intelligence (AAAI-2000) , Menlo Park, California .

Heflin, J. & Hendler, J. ( 2000b ). Searching the Web with SHOE . Paper presented at the AAAI-2000 Workshop on AI for Web Search .

Hsu, C. ( 1998 ). Initial results on wrapping semistructured web pages with finite-state transducers and contextual rules . Paper presented at the AAAI-98 Workshop on AI and Information Integration , Madison, Wisconsin .

Kushmerick, N., Weld, D. S. & Doorenbos, R. B. ( 1997 ). Wrapper induction for information extraction . Paper presented at the International Joint Conference on Artificial Intelligence (IJCAI) .

Lessila, O. & Swick, R. R. ( 1999 ). Resource description framework (RDF) model and syntax specification . World Wide Web Consortium .

McHugh, J., Abiteboul, S., Goldman, R., Quass, D. & Widom, J. ( 1997 ). Lore: A database management system for semistructured data . SIGMOD Record , 26 ( 3 ), 54 “66 .

Vargas-vera, M., Domingue, J., Kalfoglou, Y., Motta, E. & Buckingham Shum, S. ( 2001 ). Template-driven information extraction for populating ontologies . Paper presented at the IJCAI 2001 Workshop on Ontologies Learning , Seattle, Washington .