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An evidential model of distributed reputation management

Published: 15 July 2002 Publication History

Abstract

For agents to function effectively in large and open networks, they must ensure that their correspondents, i.e., the agents they interact with, are trustworthy. Since no central authorities may exist, the only way agents can find trustworthy correspondents is by collaborating with others to identify those whose past behavior has been untrustworthy. In other words, finding trustworthy correspondents reduces to the problem of distributed reputation management.Our approach adapts the mathematical theory of evidence to represent and propagate the ratings that agents give to their correspondents. When evaluating the trustworthiness of a correspondent, an agent combines its local evidence (based on direct prior interactions with the correspondent) with the testimonies of other agents regarding the same correspondent. We experimentally studied this approach to establish that some important properties of trust are captured by it.

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    cover image ACM Conferences
    AAMAS '02: Proceedings of the first international joint conference on Autonomous agents and multiagent systems: part 1
    July 2002
    540 pages
    ISBN:1581134800
    DOI:10.1145/544741
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 15 July 2002

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    Author Tags

    1. belief functions
    2. distributed reputation management
    3. trust networks

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    • (2024)An Adaptive Distributed Consumer Trust Model for Social CommerceApplied Artificial Intelligence10.1080/08839514.2024.238585738:1Online publication date: 5-Aug-2024
    • (2024)Understanding the trustworthiness management in the social Internet of Things: A surveyComputer Networks10.1016/j.comnet.2024.110611251(110611)Online publication date: Sep-2024
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