Roles, Organizations and Institutions for Agents -- Organizations as Socially Constructed Agents in the Agent Oriented Paradigm -- Virtual Enterprise Normative Framework Within Electronic Institutions -- Virtual Knowledge Communities for Corporate Knowledge Issues -- Achieving Competence by Argumentation on Rules for Roles -- Participation Components for Holding Roles in Multiagent Systems Protocols -- Semantically Federating Multi-agent Organizations -- Social Issues in Multi-agent Systems -- T-Compound Interaction and Overhearing Agents -- Managing Conflicts Between Individuals and Societies in Multi-agent Systems -- Motivation-Based Selection of Negotiation Opponents -- Modelling Flexible Social Commitments and Their Enforcement -- DIAGAL: A Generic ACL for Open Systems -- Using Social Power to Enable Agents to Reason About Being Part of a Group -- Cooperation and Collective Behaviours in Agent Societies -- Strategies for Distributing Goals in a Team of Cooperative Agents -- Collectively Cognitive Agents in Cooperative Teams -- Cooperative Agent Model Instantiation to Collective Robotics -- From Self-Organized Systems to Collective Problem Solving -- Methodologies and Platforms for Agent-Oriented Engineering -- A Sample Application of ADELFE Focusing on Analysis and Design The Mechanical Synthesis Problem -- SONIA: A Methodology for Natural Agent Development -- Deployment of Distributed Multi-agent Systems -- Using Stand-in Agents in Partially Accessible Multi-agent Environment -- Agent-Oriented Simulation -- Controlled Experimentation with Agents — Models and Implementations -- Techniques for Analysis and Calibration of Multi-agent Simulations -- Models for Multi-agent Systems -- Engineering Stable Multi-agent Systems -- Welfare Engineering in Practice: On the Variety of Multiagent Resource Allocation Problems.