J. Kietz, A. Maedche, und R. Volz. Proc. of Workshop Ontologies and Text, co-located with the 12th International Workshop on Knowledge Engineering and Knowledge Management (EKAW'2000), Juan-Les-Pins, France, (Oktober 2000)
G. Qi, P. Haase, Z. Huang, und J. Pan. In Proceedings of the 21st International Workshop on Description Logics (DL'08), Dresden, Germany, 2008, (2008-05)
P. Haase, F. van Harmelen, Z. Huang, H. Stuckenschmidt, und Y. Sure. Proceedings of the 4th International Semantic Web Conference (ISWC'05), Volume 3729 von LNCS, Seite 353--367. Galway, Ireland, Springer, (November 2005)