Decentralized Monitoring of Agent Communications with a Reputation Model

 
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Type: Article

Muller, Guillaume and Vercouter, Laurent (2005) Decentralized Monitoring of Agent Communications with a Reputation Model. LNAI special issue on Trust in Agent Socities, 3577. pp. 144-161. ISSN 0302-9743

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Abstract

Communication is essential in multi-agent systems, since it allows agents to share knowledge and to coordinate. However, in open multi-agent systems, autonomous and heterogeneous agents can dynamically enter or leave the system. It is then important to take into account that some agents may not respect -- voluntarily or not -- the rules that make the system function properly. In this paper, we propose a trust model for the reliability of agent communications. We define inconsistencies in the communications (represented as social commitments) in order to enable agents to detect lies and update their trust model of other agents. Agents can also use their trust model to decide whether to trust or not a new message sent by another agent.

Deposited by PhD Candidate Guillaume MULLER on 25 August 2005

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