The Ontology Problem is a fundamental challenge of the emerging Semantic Web. This problem is comprised of three key sub-problems, the Upper Ontology Problem, the Domain Ontology Problem, and the Ontology Integration Problem.
A. Salminen, and M. Virtanen. Proceedings of the 7th International Conference on Enterprise Information Systems, ICEIS 2005
, page 468-473. INSTICC Press, (2005)
U. Shah, T. Finin, and A. Joshi. Proceedings of the eleventh international conference on Information and knowledge management
, page 461-468. ACM Press, (2002)
M. Järvenpää, M. Virtanen, and A. Salminen. Electronic Government, 5th International Conference, EGOV 2006
, volume 4084 of Lecture Notes in Computer Science, page 219-230. Springer, (2006)
S. Braun, A. Schmidt, and C. Hentschel. 1st Workshop on Architecture, Design, and Implementation of the Semantic Desktop (SemDesk Design), 4th European Semantic Web Conference (ESWC 2007), Innsbruck, Austria
, (2007)