The purpose of the 6th International Conference on Agents and Artificial Intelligence (ICAART) is to bring together researchers, engineers and practitioners interested in the theory and applications in the areas of Agents and Artificial Intelligence. Two simultaneous related tracks will be held, covering both applications and current research work. In the area of Agents, Multi-Agent Systems and Software Platforms, Distributed Problem Solving and Distributed AI in general, including web applications are concerned. In the area of artificial intelligence, Knowledge Representation, Planning, Learning, Scheduling, Perception Reactive AI Systems, Evolutionary Computing and other topics related to intelligent systems and Computational Intelligence are concerned.