with : Vladimir Marik

5th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2006) — 08/05/2006–12/05/2006

4th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2005) — 25/07/2005–29/07/2005

2nd European Workshop on Multi-Agent Systems (EUMAS 2004) — 16/12/2004–17/12/2004

3rd International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2004) — 19/07/2004–23/07/2004