Intelligent Virtual Agents: 6th International Conference, IVA 2006, Marina Del Rey, CA; USA, August 21-23, 2006, Proceedings

Intelligent Virtual Agents: 4th International Workshop, IVA 2003, Kloster Irsee, Germany, September 15-17, 2003, Proceedings

Intelligent Virtual Agents: Third International Workshop, IVA 2001, Madrid, Spain, September 10-11, 2001. Proceedings