An integrated trust and reputation model for open multi-agent systems
An integrated trust and reputation model for open multi-agent systems
Trust and reputation are central to effective interactions in open multi-agent systems in which agents, that are owned by a variety of stakeholders, continuously enter and leave the system. This openness means existing trust and reputation models cannot readily be used since their performance suffers when there are various (unforseen) changes in the environment. To this end, this paper presents FIRE, a trust and reputation model that integrates a number of information sources to produce a comprehensive assessment of an agent's likely performance in open systems. Specifically, FIRE incorporates interaction trust, role-based trust, witness reputation, and certified reputation to provide trust metrics in most circumstances. FIRE is empirically evaluated and is shown to help agents gain better utility (by effectively selecting appropriate interaction partners) than our benchmarks in a variety of agent populations. It is also shown that FIRE is able to effectively respond to changes that occur in an agent's environment.
FIRE, trust, reputation, multi-agent systems, open, distributed
119-154
Huynh, T.D.
ddea6cf3-5a82-4c99-8883-7c31cf22dd36
Jennings, N. R.
ab3d94cc-247c-4545-9d1e-65873d6cdb30
Shadbolt, N.R.
5c5acdf4-ad42-49b6-81fe-e9db58c2caf7
2006
Huynh, T.D.
ddea6cf3-5a82-4c99-8883-7c31cf22dd36
Jennings, N. R.
ab3d94cc-247c-4545-9d1e-65873d6cdb30
Shadbolt, N.R.
5c5acdf4-ad42-49b6-81fe-e9db58c2caf7
Huynh, T.D., Jennings, N. R. and Shadbolt, N.R.
(2006)
An integrated trust and reputation model for open multi-agent systems.
Autonomous Agents and Multi-Agent Systems, 13 (2), .
Abstract
Trust and reputation are central to effective interactions in open multi-agent systems in which agents, that are owned by a variety of stakeholders, continuously enter and leave the system. This openness means existing trust and reputation models cannot readily be used since their performance suffers when there are various (unforseen) changes in the environment. To this end, this paper presents FIRE, a trust and reputation model that integrates a number of information sources to produce a comprehensive assessment of an agent's likely performance in open systems. Specifically, FIRE incorporates interaction trust, role-based trust, witness reputation, and certified reputation to provide trust metrics in most circumstances. FIRE is empirically evaluated and is shown to help agents gain better utility (by effectively selecting appropriate interaction partners) than our benchmarks in a variety of agent populations. It is also shown that FIRE is able to effectively respond to changes that occur in an agent's environment.
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Published date: 2006
Keywords:
FIRE, trust, reputation, multi-agent systems, open, distributed
Organisations:
Web & Internet Science, Agents, Interactions & Complexity
Identifiers
Local EPrints ID: 262593
URI: http://eprints.soton.ac.uk/id/eprint/262593
ISSN: 1387-2532
PURE UUID: 99a78e86-8a46-4d05-9ed2-c8dd7785bddf
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Date deposited: 16 May 2006
Last modified: 14 Mar 2024 07:14
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Contributors
Author:
T.D. Huynh
Author:
N. R. Jennings
Author:
N.R. Shadbolt
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