Multi-Agent Systems [electronic resource] : 9th European Workshop, EUMAS 2011, Maastricht, The Netherlands, November 14-15, 2011. Revised Selected Papers / edited by Massimo Cossentino, Michael Kaisers, Karl Tuyls, Gerhard Weiss.

Reinforcement Learning Transfer Using a Sparse Coded Inter-task Mapping -- Game Theory for Security: An Important Challenge for Multiagent Systems Local Coordination in Online Distributed Constraint Optimization Problems -- Improving Diagnosis Agents with Hybrid Hypotheses Confirmation Reasoning Techniques -- Towards a Design Process for Modeling MAS Organizations -- Argumentation Strategies for Task Delegation -- Using OWL 2 DL for Expressing ACL Content and Semantics -- Self-adaptive Complex Systems -- Argumentation Semantics for Agents -- Multi-agent Learning and the Reinforcement Gradient -- A Methodology for the Generation of Multi-agent Argumentation -- Dialogue Scenarios -- What Are Models for -- QueryPOMDP: POMDP-Based Communication in Multiagent Systems -- A Multi-agent Based Governance of Machine-to-Machine Systems -- A Proposal of Process Fragment Definition and Documentation -- Recognizing Internal States of Other Agents to Anticipate and Coordinate Interactions.