Nanchang, China        May 22 - 24, 2009

Nanchang, China        May 22 - 24, 2009

WISA 2009

WISA 2009

Second International Symposium on

Web Information Systems and Applications

Second International Symposium on

Web Information Systems and Applications

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Proceedings of the 2nd International Symposium on Web Information Systems and Applications (WISA 2009)

Nanchang, China, May 22-24, 2009

Editors: Fei Yu, Jiexian Zeng, and Guangxue Yue

AP Catalog Number: AP-PROC-CS-09CN001

ISBN: 978-952-5726-00-8 (Print), 978-952-5726-01-5 (CD-ROM)

Page(s): 510-515

Grouping-Based Mechanism Driven by Reputation in P2P E-Commerce

           LIU Tang

Full text:  PDF

Abstract

In P2P (peer-to-peer) electronic commerce (e-commerce) networks, strategic cyber frauds can lead to many security problems.  To apply present trust model to e-commerce can reduce trade risk to some degree but this can not eliminate it completely. Taking account of peers’ independence, applying global trust mechanism and local trust mechanism, this article, based on relative data of recorded trade between peers and with the consideration weighting factors including trade time, trade sum and the number of peers, put forward some new calculation expressions of reputation values between peers and group alteration strategy driven by reputation as well as peer search service strategy. The simulation experimental results and analyses show that GDRep can find the peer with highest reputation and choose it as trade counterpart and it is robust under more general conditions where malicious peers cooperate in an attempt to deliberately subvert the system.

Index Terms

P2P, electronic commerce, reputation, group

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