CALL FOR PAPERS 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. A substantial amount of research work is ongoing in these knowledge areas, in an attempt to discover appropriate theories and paradigms to use in real-world applications. Much of this important work is therefore theoretical in nature. However there is nothing as practical as a good theory, as Boltzman said many years ago, and some theories have indeed made their way into practice. Informatics applications are pervasive in many areas of Artificial Intelligence and Distributed AI, including Agents and Multi-Agent Systems; This conference intends to emphasize this connection, therefore, authors are invited to highlight the benefits of Information Technology (IT) in these areas. Ideas on how to solve problems using agents and artificial intelligence, both in R&D and industrial applications, are welcome. Papers describing advanced prototypes, systems, tools and techniques and general survey papers indicating future directions are also encouraged. Papers describing original work are invited in any of the areas listed below. Accepted papers, presented at the conference by one of the authors, will be published in the Proceedings of ICAART with an ISBN. A book with the best papers of the conferene will be published by Springer-Verlag. Acceptance will be based on quality, relevance and originality. Both full research reports and work-in-progress reports are welcome. There will be both oral and poster sessions. Special sessions, dedicated to case-studies and commercial presentations, as well as tutorials dedicated to technical/scientific topics are also envisaged: companies interested in presenting their products/methodologies or researchers interested in holding a tutorial are invited to contact the conference secretariat. Additional information can be found at http://www.icaart.org/. Conference Areas Each of these topic areas is expanded below but the sub-topics list is not exhaustive. Papers may address one or more of the listed sub-topics, although authors should not feel limited by them. Unlisted but related sub-topics are also acceptable, provided they fit in one of the following main topic areas: 1. AGENTS 2. ARTIFICIAL INTELLIGENCE AREA 1: AGENTS Semantic Web Multi-Agent Systems Distributed Problem Solving Agent Communication Languages Agent Models and Architectures Cooperation and Coordination Conversational Agents Negotiation and Interaction Protocols Programming Environments and Languages Task Planning and Execution Autonomous Systems Cognitive Robotics Group Decision Making Web Intelligence Agent Platforms and Interoperability SOA and Software Agents Simulation Economic Agent Models Mobile Agents Privacy, safety and security Collective Intelligence Physical Agents Robot and Multi-robot Systems Self Organizing Systems Cloud Computing Auctions and Markets AREA 2: ARTIFICIAL INTELLIGENCE Intelligent User Interfaces Bayesian Networks Soft Computing Neural Networks Natural language processing Machine Learning Planning and Scheduling Knowledge Representation and Reasoning Uncertainty in AI Model-Based Reasoning Ontologies Data Mining Constraint Satisfaction State Space Search Case-Based Reasoning Cognitive Systems Reactive AI Vision and Perception Pattern Recognition Ambient Intelligence AI and Creativity Evolutionary Computing Fuzzy Systems Knowledge Based System Industrial applications of AI Hybrid Intelligent Systems Visualization Knowledge based Maps Keynote Speakers Philippe Leray, Université de Nantes, France Henry Lieberman, MIT Media Laboratory, United States