In: AAMAS '10: Proceedings of the 9th International Conference on Autonomous Agents and Multiagent Systems - Volume 1. International Conference on Autonomous Agents and Multiagent Systems (AAMAS-10), May 10-14, Toronto, ON, Canada, Pages 1617-1618, ISBN 978-0-9826571-1-9, International Foundation for Autonomous Agents and Multiagent Systems, 2010.