Decentralized reputation-based trust for assessing agent reliability under aggregate feedback

  • Authors:
  • Tomas B. Klos;Han La Poutré

  • Affiliations:
  • Dutch National Research Institute for Mathematics and Computer Science (CWI), Amsterdam, The Netherlands;Dutch National Research Institute for Mathematics and Computer Science (CWI), Amsterdam, The Netherlands

  • Venue:
  • Trusting Agents for Trusting Electronic Societies
  • Year:
  • 2005

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Abstract

Reputation mechanisms allow agents to establish trust in other agents' intentions and capabilities in the absence of direct interactions. In this paper, we are concerned with establishing trust on the basis of reputation information in open, decentralized systems of interdependent autonomous agents. We present a completely decentralized reputation mechanism to increase the accuracy of agents' assessments of other agents' capabilities and allow them to develop appropriate levels of trust in each other as providers of reliable information. Computer simulations show the reputation system's ability to track an agent's actual capabilities.