Invited Papers.- Decentralized Business Process Modeling and Enactment: ICT Architecture Topologies and Decision Methods.- The Goal Oriented Teams (GORITE) Framework.- Regular Papers.- Agents Do It for Money - Accounting Features in Agents.- From Norms to Interaction Patterns: Deriving Protocols for Agent Institutions.- Interoperability for Bayesian Agents in the Semantic Web.- The A&A Programming Model and Technology for Developing Agent Environments in MAS.- A Practical Agent Programming Language.- A Common Semantic Basis for BDI Languages.- Adding Structure to Agent Programming Languages.- Modules as Policy-Based Intentions: Modular Agent Programming in GOAL.- Specifying and Verifying a MAS:The Robots on Mars Case Study.- Tracking Causality by Visualization of Multi-Agent Interactions Using Causality Graphs.- Hybrid Multiagent Systems with Timed Synchronization - Specification and Model Checking.- Agent Contest Competition.- Agent Contest Competition: 3rd Edition.- Developing a Team of Gold Miners Using Jason.- Going for Gold with 2APL.- Collecting Gold.- JIAC IV in Multi-Agent Programming Contest 2007.- An Agent Team Based on FLUX for the ProMAS Contest 2007.