P. Cimiano, and J. Völker. Proceedings of the 10th International Conference on Applications of Natural Language to Information Systems (NLDB'2005), (2005)
D. Vrandecić, J. Völker, P. Haase, D. Tran, and P. Cimiano. Proceedings of the Second Workshop on Ontologies and Meta-Modeling, Karlsruhe, Germany, GI Gesellschaft für Informatik, (October 2006)
B. Motik, I. Horrocks, and U. Sattler. Third International Wworkshop on OWL: Experiences and Directions 2007 (OWLED 2007), Innsbruck, Austria, (June 2007)
C. Tempich, H. Pinto, Y. Sure, and S. Staab. Proceedings of the Second European Semantic Web Conference, 3532, page 241--256. Heraklion, Crete, Greece, Springer, (2005)
J. Völker, D. Vrandecić, and Y. Sure. Proceedings of the Fourth International Semantic Web Conference (ISWC'05), volume 3729 of LNCS, Springer Verlag Berlin-Heidelberg, (November 2005)