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)
J. Volz, C. Bizer, M. Gaedke, and G. Kobilarov. The Semantic Web -- ISWC 2009: 8th International Semantic Web Conference, Chantilly, VA, USA, volume 5823 of Lecture Notes in Computer Science, Springer, Berlin, (2009)
V. Peláez, L. Roberto González, A. Campos, and V. Lobato. Ambient Intelligence: First International Joint Conference, AmI 2010, Málaga, Spain, volume 6439 of Lecture Notes in Computer Science, Springer, Berlin, (2010)