A New Security Trust Model for Peer-to-Peer E-commerce

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A New Security Trust Model for Peer-to-Peer E-commerce Authors: Y. Wang, Y. L. Zhao, and F. Hou Source: International Conference on Management of e-Commerce and e-Government, pp. 399-402, 2008 Speaker: Shu-Fen Chiou (邱淑芬)

Introduction E-commerce environment Risks C2C Anonymity Dispersion j E-commerce environment C2C Anonymity Dispersion Risks Selfishness Anonymity of peers Arbitrary of identification Etc..

Trust model Direct trust value Si(j): satisfication procedure First transaction success: 0 First transaction failure: -1 Direct trust value Si(j): satisfication procedure TSij: ratio of each transaction Nij: number of transactions Tij: time factor of transcations ACi: vote accurate factor

Trust model Voting value of k to I Nk(i): the number of transactions Sk(i): satisfaction degree of k to I on each transactions.

Trust model

Experimental results

Comments Consider the e-commerce environment. Trust evaluate.