GWAI-92: Advances in Artificial Intelligence 16th German Conference on Artificial Intelligence, Bonn, Germany, August 31 - September 3, 1992. Proceedings Ohlbach, Hans J. Heftet / 1993 / Engelsk
Principles and Practice of Semantic Web Reasoning Second International Workshop, PPSWR 2004, St. Malo, France, September 6-10, 2004, Proceedings Ohlbach, Hans J. Heftet / 2004 / Engelsk
Temporal Logic First International Conference, ICTL '94, Bonn, Germany, July 11 - 14, 1994. Proceedings Gabbay, Dov M. Heftet / 1994 / Engelsk
Qualitative and Quantitative Practical Reasoning First International Joint Conference on Qualitative and Quantitative Practical Reasoning, ECSQARU-FAPR'97, Bad Honnef, Germany, June 9-12, 1997 Proceedings Gabbay Dov Heftet / 1997 / Engelsk
