Evolution of cooperation in reputation system by group-based scheme

Ren, Yizhi, Li, Mingchu, Xiang, Yang, Cui, Yongrui and Sakurai, Kouichi 2010, Evolution of cooperation in reputation system by group-based scheme, Journal of supercomputing, vol. 63, no. 1, pp. 171-190.

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Title Evolution of cooperation in reputation system by group-based scheme
Author(s) Ren, Yizhi
Li, Mingchu
Xiang, Yang
Cui, Yongrui
Sakurai, Kouichi
Journal name Journal of supercomputing
Volume number 63
Issue number 1
Start page 171
End page 190
Total pages 20
Publisher Springer
Place of publication New York, N.Y.
Publication date 2010-11-17
ISSN 0920-8542
1573-0484
Keyword(s) reputation system
evolution
group selection
cooperation
online community
Summary Reputation systems are very useful in large online communities in which users may frequently have the opportunity to interact with users with whom they have no prior experience. Recently, how to enhance the cooperative behaviors in the reputation system has become to one of the key open issues. Emerging schemes focused on developing efficient reward and punishment mechanisms or capturing the social or economic properties of participants. However, whether this kind of method can work widely or not has been hard to prove until now. Research in evolutionary game theory shows that group selection (or multilevel selection) can favor the cooperative behavior in the finite population. Furthermore, some recent works give fundamental conditions for the evolution of cooperation by group selection. In the paper, we extend the original group selection theory and propose a group-based scheme to enhance cooperation for online reputation systems. Related concepts are defined to capture the social structure and ties among participants in reputation system, e.g., group, assortativity, etc. Also, we use a Fermi distribution function to reflect the bounded rationality of participants and the existence of stochastic factors in evolutionary process. Extended simulations show that our scheme can enhance cooperation and improve the average performance of participants (e.g. payoff) in reputation system.
Language eng
Field of Research 080503 Networking and Communications
Socio Economic Objective 890101 Fixed Line Data Networks and Services
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2013
Copyright notice ©2010, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30034398

Document type: Journal Article
Collection: School of Information Technology
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