Introduction to the special issue on the Fourth German Conference on Multiagent System Technologies (MATES).

Klaus Fischer Ingo J. Timm Elisabeth André Introduction to the special issue on the Fourth German Conference on Multiagent System Technologies (MATES). 219 2009 18 Autonomous Agents and Multi-Agent Systems 2 http://dx.doi.org/10.1007/s10458-008-9049-6 db/journals/aamas/aamas18.html#FischerTA09