Report on the Fourth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2005)

The 2005 Autonomous Agents and Multiagent Systems Conference (AAMAS 2005) was held July 25-29, 2005, at the University of Utrecht, the Netherlands. This report reviews the activities of that conference, including the workshop and tutorial programs, the main conference and poster tracks, the industry paper track, the demonstration track and sponsor demonstration sessions, the invited talks, exhibition, doctoral mentoring program, as well the sponsorship and scholarships activities. The Autonomous Agents and Multiagent Systems (AAMAS) conference series is the main conference venue for research in this area. It was initiated in 2002 as a merger of three conferences: the International Conference on Autonomous Agents, the International Conference on Multiagent Systems, and the International Workshop on Agent Theories, Architectures, and Languages. It aims to provide a highprofile and high-quality forum for research in the theory and practice of autonomous agents and multiagent systems.