Jung Hwa Shin , Kyung Hyune Rhee

The KIPS Transactions:PartA, Vol. 13, No. 7, pp. 599-606, Dec. 2006
10.3745/KIPSTA.2006.13.7.599,   PDF Download:

Abstract

As the P2P service does not have any administration authorities that are able to manage the behavior of participants and control the malicious users, malicious user can give harm to legitimate users for the benefit of themselves. To perform the secure transaction with new members who did not have past experiences on transaction, service users can differentiate malicious users and legitimate users by referring to the reputation information that provided by users having past experience. However, users can intentionally give false evaluation to other users on performed transaction. We call these users as “liar”. In this paper, we propose a new reputation system for liar reduction to guarantee an accuracy on reputation information.

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