This book constitutes the thoroughly reviewed post-proceeding of International Workshops on Coordination, Organization, Institutions and Norms in Agent Systems, COIN@AAMAS 2012, held in Valencia, Spain in June 2012.

Invited Talk.- Situating COIN in the Cloud (Invited Paper).- Compliance and Enforcement.- Monitoring Interaction in Organisations.- Reasoning over Norm Compliance via Planning.- An Agent-Based Simulation Approach to Comparative Analysis of Enforcement Mechanisms.- Norm Emergence and Social Strategies Shared Strategies in Artificial Agent Societies.- Goal-Directed Policy Conflict Detection and Prioritisation.- Norms as Objectives: Revisiting Compliance Management in Multi-agent Systems.- Refinement, Contextualisation and Adaptation Norm Emergence through Dynamic Policy Adaptation in Scale Free Networks.- Norm Contextualization.- Programming Institutional Facts in Multi-Agent Systems.- Towards a General Model for Adapting Structure while Maintaining Topology: Pipelines.

This book constitutes the thoroughly reviewed post-proceeding of  International Workshops on Coordination, Organization, Institutions and Norms in Agent Systems, COIN@AAMAS 2012, held in Valencia, Spain in June 2012.The 13 revised full papers presented together with 1 invited talk went through several rounds of reviewing and revision and were carefully selected for presentations. The papers are organized in topical sections on compliance and enforcement, norm emergence and social strategies, refinement, contextualisation and adaptation.