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

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Presentation on theme: "A New Security Trust Model for Peer-to-Peer E-commerce"— Presentation transcript:

1 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 , 2008 Speaker: Shu-Fen Chiou (邱淑芬)

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

3 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

4 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.

5 Trust model

6 Experimental results

7 Comments Consider the e-commerce environment. Trust evaluate.

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