Agent Programming and Beliefs.- Beliefs in Agent Implementation.- Modelling Uncertainty in Agent Programming.- Complete Axiomatizations of Finite Syntactic Epistemic States.- Architectures and Logic Programming.- An Architecture for Rational Agents.- LAIMA: A Multi-agent Platform Using Ordered Choice Logic Programming.- A Distributed Architecture for Norm-Aware Agent Societies.- About Declarative Semantics of Logic-Based Agent Languages.- Knowledge Representation and Reasoning.- Goal Decomposition Tree: An Agent Model to Generate a Validated Agent Behaviour.- Resource-Bounded Belief Revision and Contraction.- Agent-Oriented Programming with Underlying Ontological Reasoning.- Dynagent: An Incremental Forward-Chaining HTN Planning Agent in Dynamic Domains.- A Combination of Explicit and Deductive Knowledge with Branching Time: Completeness and Decidability Results.- Coordination and Model Checking.- An Intensional Programming Approach to Multi-agent Coordination in a Distributed Network of Agents.- A Tableau Method for Verifying Dialogue Game Protocols for Agent Communication.