S. Staab, und A. Mädche. Proceedings of the Workshop
on Applications of Ontologies and Problem-solving Methods, 14th European Conference on Artificial
Intelligence ECAI 2000, Berlin, Germany, (August 2000)
D. Fensel, S. Decker, M. Erdmann, und R. Studer. Proceedings of the 11th International Flairs Conference (FLAIRS-98), Sanibel Island, Florida, (Mai 1998)
J. Hayes, und C. Gutierrez. The Semantic Web - ISWC 2004. Proceedings of the Third
International Semantic Web Conference, Volume 3298 von Lecture Notes in Computer Science, Seite 47-61. Hiroshima, Japan, Springer-Verlag, (2004)