On the Simulation of Global Reputation Systems

Andreas Schlosser (), Marco Voss () and Lars Brückner
Additional contact information
Andreas Schlosser: http://www.inferenzsysteme.informatik.tu-darmstadt.de/~schlosser
Marco Voss: http://www.ito.tu-darmstadt.de

Journal of Artificial Societies and Social Simulation, 2005, vol. 9, issue 1, 4

Abstract: Reputation systems evolve as a mechanism to build trust in virtual communities. In this paper we evaluate different metrics for computing reputation in multi-agent systems. We present a formal model for describing metrics in reputation systems and show how different well-known global reputation metrics are expressed by it. Based on the model a generic simulation framework for reputation metrics was implemented. We used our simulation framework to compare different global reputation systems to find their strengths and weaknesses. The strength of a metric is measured by its resistance against different threat-models, i.e. different types of hostile agents. Based on our results we propose a new metric for reputation systems.

Keywords: Reputation System; Trust; Formalization; Simulation (search for similar items in EconPapers)
Date: 2005-01-31
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:jas:jasssj:2005-13-2

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