with : Jordi Sabater

9th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010) — 02/05/2010–06/05/2010

4th European Workshop on Multi-Agent Systems (EUMAS 2006) — 14/12/2006–15/12/2006

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

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