P. Gebhard, and M. Klesen. Intelligent Virtual Agents: 5th International Working Conference, IVA 2005, Kos, Greece, volume 3661 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (2005)
A. Ndiaye, P. Gebhard, M. Kipp, M. Klesen, M. Schneider, and W. Wahlster. Intelligent Technologies for Interactive Entertainment: First International Conference, INTETAIN 2005, Madonna di Campiglio, Italy, volume 3814 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (2005)
P. Kapahnke, P. Liedtke, S. Nesbigall, S. Warwas, and M. Klusch. The Semantic Web -- ISWC 2010: 9th International Semantic Web Conference, Shanghai, China, Revised Selected Papers, Part II, volume 6497 of Lecture Notes in Computer Science, Springer, Berlin, (2010)