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时空相关性的P2P网络信任模型 被引量：4

Time-Space Based Trust Model for P2P Systems
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摘要 结合时间和空间特性,提出一个新的动态信任模型,该模型包含近期信任、长期信任、滥用信任和反馈信任等4个基本组件;针对P2P网络中节点动态性的问题,提出用社区信任度来表示物理位置相关的群体信任程度。模拟实验结果显示,该模型具有较好的动态适应能力和反馈信息聚合能力,能够有效地防止合谋、诋毁等恶意攻击行为。 In this paper,we present a new time-space based trust model which integrates time and space factors,where short-term-trust,long-term-trust,abuse-trust and feedback-trust are the main consideration.Furthermore,the community-trust is proposed to solve the difficulty of binding between user and physical IP address.The community-trust indicates the integrative trust level of users＇ physical locations set in a specific range.Theoretical analysis and simulation results show that the time-space based trust model is effective on modeling dynamic trust relationship,aggregating feedback information,and resisting some attacks such as slander,peer collusion,and Sybil attacks.
作者 王勇 黄科瑞 秦志光 吴波
机构地区 电子科技大学计算机科学与工程学院
出处 《电子科技大学学报》 EI CAS CSCD 北大核心 2011年第1期80-84,共5页 Journal of University of Electronic Science and Technology of China
基金 国家863计划(2009AA01Z422)
关键词 P2P网络 空间相关性 时间相关性 信任模型 P2P network space context time context trust model
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献13

  • 1常俊胜,王怀民,尹刚.DyTrust:一种P2P系统中基于时间帧的动态信任模型[J].计算机学报,2006,29(8):1301-1307. 被引量：101
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二级参考文献22

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共引文献108

同被引文献31

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引证文献4

二级引证文献5

电子科技大学学报
2011年 第1期

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