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Coalition Formation through Motivation and Trust

Griffiths, Nathan and Luck, Michael (2003) Coalition Formation through Motivation and Trust. In: AAMAS '03: Proceedings of the Second International Joint Conference on Autonomous Agents and Multiagent Systems.

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Official URL: http://doi.acm.org/10.1145/860575.860579

Abstract

Cooperation is the fundamental underpinning of multi-agent systems, allowing agents to interact to achieve their goals. Where agents are self-interested, or potentially unreliable, there must be appropriate mechanisms to cope with the uncertainty that arises. In particular, agents must manage the risk associated with interacting with others who have different objectives, or who may fail to fulfil their commitments. Previous work has utilised the notions of motivation and trust in engendering successful cooperation between self-interested agents. Motivations provide a means for representing and reasoning about agents' overall objectives, and trust offers a mechanism for modelling and reasoning about reliability, honesty, veracity and so forth. This paper extends that work to address some of its limitations. In particular, we introduce the concept of a clan: a group of agents who trust each other and have similar objectives. Clan members treat each other favourably when making private decisions about cooperation, in order to gain mutual benefit. We describe mechanisms for agents to form, maintain, and dissolve clans in accordance with their self-interested nature, along with giving details of how clan membership influences individual decision making. Finally, through some simulation experiments we illustrate the effectiveness of clan formation in addressing some of the inherent problems with cooperation among self-interested agents.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Copyright 2003 ACM. The original publication is available at portal.acm.org
Subjects:UNSPECIFIED
ID Code:537
Deposited By:Professor Michael Luck
Deposited On:02 Nov 2007 18:20
Last Modified:19 Apr 2009 17:03

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