N. Noy, and M. Musen. Proceedings of the Workshop on Ontologies and Information Sharing at the Seventeenth International Joint Conference on Artificial Intelligence (IJCAI-2001), page 63--70. Seattle (USA), (2001)
H. Lewen, K. Supekar, N. Noy, and M. Musen. In proceeding for the Web EON 2006 at the 15th International World Wide Web conference WWW 2006., (2006-05)