M. Paolucci, T. Kawamura, T. Payne, and K. Sycara. The Semantic Web -- ISWC 2002: First International Semantic Web Conference, Sardinia, Italy, volume 2342 of Lecture Notes in Computer Science, Springer, Berlin, (2002)
A. Gangemi, N. Guarino, C. Masolo, A. Oltramari, and L. Schneider. Knowledge Engineering and Knowledge Management: Ontologies and the Semantic Web, volume 2473 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (2002)
Y. Gil, and V. Ratnakar. Proceedings of the 15th International Florida Artificial Intelligence Research Society Conference, page 413--418. Menlo Park, CA, AAAI Press, (2002)
J. Broekstra, A. Kampman, and F. van Harmelen. The Semantic Web -- ISWC 2002: First International Semantic Web Conference Sardinia, Italy, volume 2342 of Lecture Notes in Computer Science, Springer, Berlin, (2002)
S. Bechhofer, R. Volz, and P. Lord. The Semantic Web -- ISWC 2003: Second International Semantic Web Conference, Sanibel Island, FL, USA, volume 2870 of Lecture Notes in Computer Science, Springer, Berlin, (2003)
B. Grosof, I. Horrocks, R. Volz, and S. Decker. WWW '03: Proceedings of the 12th International World Wide Web Conference, Budapest, Hungary, page 48-57. (2003)
U. Callmeier, A. Eisele, U. Schäfer, and M. Siegel. Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC 2004), Lisbon, Portugal, page 1205-1208. European Language Resources Association (ELRA), (2004)