International Conference on Instrumentation, Measurement, Circuits and Systems (ICIMCS 2011)
144 Trust Model Based on Personal Preference in P2P Network
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- Ris (Zotero)
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A new trust model based on personal preference in P2P network is proposed in this paper, which aim to provide solutions to the improvement of security and maintain the freedom of P2P trade. Trust is a behavior of highly subjective based on personal preferences, which is divided into direct trust and indirect trust. The model takes both the P2P network of other security issues and the issue of freedom of trade into account to avoid the impeding of transactions by strict trust rating and high trust confidence threshold. Based on personal transaction history, the model construct a pair of weights for direct trust and indirect trust, then calculate the total trust. Also the model dynamically manages the trust confidence threshold based on these data. Simulation results show that the trust model not only improves the success rate of transactions, and expands trading volume.