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TruMet: An approach towards computing trust in multi-agent environment.

By Sanat K. Bista, Keshav P. Dahal, Peter I. Cowling and Bishwa R. Tuladhar

Abstract

The growing popularity of multi-agent based\ud approaches towards the formation and operation of virtual\ud organizations (VO) present over the Internet, offer both\ud opportunities and risks. One of the risks involved in such\ud community is in the identification of trustworthy agent partners\ud for transaction. In this paper we aim to describe our trust model\ud which would contribute in measuring trust in the interacting\ud agents. Named as TruMet, the trust metric model works on the\ud basis of the parameters that we have identified as relevant to the\ud features of the community. The model primarily analyses trust\ud value on the basis of the agent¿s reputation, as provided by the\ud agent itself, and the agent¿s aggregate rating as provided by the\ud witness agents. The final computation of the trust value is given\ud by a weighted average of these two components. While\ud computing the aggregate rating, a weight based method has been\ud adopted to discount the contribution of possibly un-fair ratings\ud by the witness agents

Topics: Agent, Reputation, Trust, Trust measurement, Unfair rating
Year: 2006
OAI identifier: oai:bradscholars.brad.ac.uk:10454/2454
Provided by: Bradford Scholars

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