A Computational Model of Trust and Its Applications in Internet Transactions


Sang-Uk Noh, Journal of Information Processing Systems Vol. 8, No. 4, pp. 137-148, Aug. 2007  


Keywords: Trust within social networks, consensus aggregation, Dempster-Shafer theory, game theory, adaptive multi-agent systems
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Abstract

As Web-based online communities are rapidly growing, the agents in social groups need to know their measurable belief of trust for safe andsuccessful interactions. In this paper, we propose a computational model of trust resulting from available feedbacks in online communities. The notion of trust can be defined as an aggregation of consensus given a set of past interactions. The averagetrust of an agent further represents the center of gravity of the distribution of its trustworthiness and untrustworthiness. And then, we precisely describe the relationship between reputation, trust, and averagetrust through a concrete example of their computations. We apply our trust model to online internet settings in order to show how trust mechanisms are involved in a rational decision-making of the agents.


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Cite this article
[APA Style]
Noh, S. (2007). A Computational Model of Trust and Its Applications in Internet Transactions. Journal of Internet Computing and Services, 8(4), 137-148.

[IEEE Style]
S. Noh, "A Computational Model of Trust and Its Applications in Internet Transactions," Journal of Internet Computing and Services, vol. 8, no. 4, pp. 137-148, 2007.

[ACM Style]
Sang-Uk Noh. 2007. A Computational Model of Trust and Its Applications in Internet Transactions. Journal of Internet Computing and Services, 8, 4, (2007), 137-148.