Argumentation in Multi-Agent Systems Second International Workshop, ArgMAS 2005, Utrecht, Netherlands, July 26, 2005, Revised Selected and Invited Papers

Invited Lecture.- The Case of Pragma-Dialectics.- Foundations.- A Logic of Abstract Argumentation.- On the Meta-logic of Arguments.- Nested Argumentation and Its Application to Decision Making over Actions.- Testing Formal Dialectic.- Negotiation.- Formal Handling of Threats and Rewards in a Negotiation Dialogue.- Argument-Based Negotiation in a Social Context.- Practical Strategic Reasoning and Adaptation in Rational Argument-Based Negotiation.- A Protocol for Arguing About Rejections in Negotiation.- Protocols.- New Types of Inter-agent Dialogues.- Argumentation Based Modelling of Embedded Agent Dialogues.- Liberalizing Protocols for Argumentation in Multi-agent Systems.- Protocol Synthesis with Dialogue Structure Theory.- Deliberation and Coalition Formation.- An Argumentation-Based Model for Reasoning About Coalition Structures.- Argumentation-Based Multi-agent Dialogues for Deliberation.- Consensus Formation.- Presentation of Arguments and Counterarguments for Tentative Scientific Knowledge.- Towards a Formal Framework for the Search of a Consensus Between Autonomous Agents.- Argumentation-Supported Information Distribution in a Multiagent System for Knowledge Management.- How Agents Alter Their Beliefs After an Argumentation-Based Dialogue.