Y. Ma, G. Qi, P. Hitzler, und Z. Lin. Proceedings of the 2007 International Workshop on Description Logics (DL-2007), Brixen-Bressanone, Italy, June 2007, (06 2007-06)
Y. Ma, G. Qi, P. Hitzler, und Z. Lin. Proceedings of Ninth European Conference on Symbolic and Quanlitative Approaches to Reasoning with Uncertainty, (10 2007-10)
Y. Ma, G. Qi, P. Hitzler, und Z. Lin. Proceedings of Ninth European Conference on Symbolic and Quanlitative Approaches to Reasoning with Uncertainty, (10 2007-10)
S. Rudolph, M. Krötzsch, und P. Hitzler. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), Volume 4604 von Lecture Notes in Artificial Intelligence, Seite 464-467. Berlin, Heidelberg, Springer-Verlag, (Juli 2007)