S. Staab, M. Erdmann, A. Mädche, and S. Decker. First Workshop on the Semantic Web at the Fourth
European Conference on Digital Libraries, Lisbon, Portugal, (September 2000)
I. Niles, and A. Pease. Proceedings of the International Conference on Formal Ontology in Information Systems - Volume 2001, page 2--9. New York, NY, USA, ACM, (2001)
I. Horrocks, and U. Sattler. Proceedings of the Seventeenth International Joint Conference on Artificial Intelligence, IJCAI 2001, Seattle, Washington, USA, August 4-10, 2001, page 199-204. Morgan Kaufmann, (2001)
J. Broekstra, A. Kampman, and F. van Harmelen. The Semantic Web - ISWC 2002. First International Semantic
Web Conference, Sardinia, Italy, June 9-12, 2002, Proceedings, 2342, page 54-68. (2002)
P. Bouquet, F. Giunchiglia, F. Harmelen, L. Serafini, and H. Stuckenschmidt. The Semantic Web --- Proceedings of the Second International Semantic Web Conference (ISWC 2003), October 20-23, Sanibel Island, FL, USA, volume 2870 of Lecture Notes in Computer Science, page 164--179. Springer, Berlin--Heidelberg, Germany, (2003)