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.