- AgroInformatica 21(4):19 - 21 (2008)
- Element (2008)
- (2008)
- Recommendation, World Wide Web Consortium W3C, (February 2004)
- Proc. of the 12th International World Wide Web Conference WWW'03, page 544-555. Budapest, Hungary, (2003)
- Proceedings of the World Wide Web Conference WWW2003, Budapest, Hungary, (May 2003)
- OntoWeb Deliverable 1.3. OntoWeb consortium, (May 2002)
- 308. Foundation for Research and Technology Hellas, Institute of Computer Science, Information Systems Laboratory, (April 2002)
- First Workshop on the Semantic Web at the Fourth European Conference on Digital Libraries, Lisbon, Portugal, (September 2000)
- Proceedings of the Workshop on Applications of Ontologies and Problem-solving Methods, 14th European Conference on Artificial Intelligence ECAI 2000, Berlin, Germany, (August 2000)
- http://www.daml.org/2000/10/daml-ont.html, (October 2000)
- Proceedings of the 11th International Flairs Conference FLAIRS-98, Sanibel Island, Florida, (May 1998)
- http://www.daml.org/2001/03/daml+oil-index.html, (March 2001)
- IR-479. Vrije Universiteit Amsterdam, Faculty of Sciences, (September 2000)
- Proceedings of the Workshop on Applications of Ontologies and Problem-solving Methods, 14th European Conference on Artificial Intelligence ECAI 2000, Berlin, Germany, (August 2000)
- Knowledge Acquisition (1993)
- Proceedings of the IJCAI-01 Workshop on Ontologies and Information Sharing, Seattle, USA, (2001)
- Vrije Universiteit, Amsterdam, (2003)
- Database Semantics, Semantic Issues in Multimedia Systems, page 351--369. Kluwer Academic Publisher, Boston, (1999)
- Proceedings of the eBusiness and eWork 2000 EMMSEC 2000 Conference, Madrid, Spain, (October 2000)


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