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This book constitutes the revised and selected papers from the 6th International Workshop on Engineering Multi-Agent Systems held in Stockholm, Sweden, in July 2018, in conjunction with AAMAS 2018. The 17 full papers presented in this volume were carefully reviewed and selected from 32 submissions. The book also contains a state-of-the-art paper that reflects on the role and potential of MAS engineering in a number of key facets. The papers are clustered around the following themes: programming agents and MAS, agent-oriented software engineering, formal analysis techniques, rational agents, modeling and simulation, frameworks and application domains.

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Engineering Multi-Agent Systems Anno 2025.- Pitfalls of Jason Concurrency AgentSpeak(ER): Enhanced Encapsulation in Agent Plans.- Agent-Oriented Software Engineering.- Designing Multi-Agent Systems from Ontology Models.- Engineering Self-Adaptive Aystems: from Experiences with MUSA.- A Programming Model for Developing Protocolcompliant Agents.- Formal Analysis and Techniques.- Belief Shadowing.- Empathic Autonomous Agents.- Dynamic Global Behaviour of Online Routing Games.- A Sanctioning Enforcement Framework.- Adding Organizational Reasoning to Agent-Based Simulations in GAMA.- An Agent-based Model for Analyzing Radicalism Spread Using Agent-based Social Simulation.- Engineering World-Wide Multi-Agent Systems with Hypermedia.- Designing a Cognitive Agent Connector for Complex Environments: A Case Study with StarCraft.- Decision Process in Human-Agent Interaction.- Exposing Agents as Web Services in JADE.

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