A. Maedche, B. Motik, N. Silva, и R. Volz. Proc. of 13th European Conference on Knowledge Engineering and Knowledge Management (EKAW), Sigüenza, Spain, (октября 2002)
G. Stumme, и A. Maedche. Proceedings of the 17th International Conference on Artificial Intelligence (IJCAI-2001), стр. 225--230. Seattle (USA), (2001)
R. Pan, Z. Ding, Y. Yu, и Y. Peng. Proceedings of the 4th International Semantic Web Conference (ISWC-2004), том 3729 из LNCS, стр. 563--577. Berline (Germany), Springer-Verlag, (2004)
B. Omelayenko, и D. Fensel. Proceedings of the Second Internacional Conference on Electronic Commerce and Web Technologies (ECWEB-2001), Munich (Germany), Springer-Verlag, (2001)
N. Noy, и M. Musen. Proceedings of the Workshop on Ontologies and Information Sharing at the Seventeenth International Joint Conference on Artificial Intelligence (IJCAI-2001), стр. 63--70. Seattle (USA), (2001)
P. Mitra, и G. Wiederhold. Workshop on Ontologies and Semantic Interoperability at the 15th European Conference on Artificial Intelligence (ECAI-2002), (2002)
J. Madhavan, P. Bernstein, и E. Rahm. Proceedings of the 27th International Conference on Very Large Data Bases, стр. 48--58. Roma (Italy), Morgan Kaufmann Publishers, (2001)