Invited Papers.- Coordinating Teams in Uncertain Environments: A Hybrid BDI-POMDP Approach.- Agents - The Challenge of Relevance to the IT Mainstream.- Agent-Oriented Programming.- Goal Representation for BDI Agent Systems.- AF-APL - Bridging Principles and Practice in Agent Oriented Languages.- Agent Platforms and Tools.- A Toolkit for the Realization of Constraint-Based Multiagent Systems.- Debugging Agent Behavior in an Implemented Agent System.- A Mobile Agents Platform: Architecture, Mobility and Security Elements.- Agent Languages.- Bridging the Gap Between AUML and Implementation Using IOM/T.- Inter-agent Communication in IMAGO Prolog.- Multi-agent Systems Techniques.- OMNI: Introducing Social Structure, Norms and Ontologies into Agent Organizations.- A Dialogue Game to Offer an Agreement to Disagree.- Coordination of Complex Systems Based on Multi-agent Planning: Application to the Aircraft Simulation Domain.