B. Liu, H. Chen, and W. He. ICTAI '05: Proceedings of the 17th IEEE International Conference on Tools with Artificial Intelligence, Hong Kong, China, page 254-259. (2005)
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)
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)
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)
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)
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)