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.