基于自适应遗忘机制的半环信任模型

喻莉; 李静茹; 刘祖浩

doi:10.3724/SP.J.1146.2010.00221

基于自适应遗忘机制的半环信任模型

doi: 10.3724/SP.J.1146.2010.00221

基金项目:

国家863计划项目(2009AA01Z205)，国家实验室基金(P080010)和新世纪优秀人才计划(NCET070339)资助课题

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出版历程
- 收稿日期: 2010-03-11
- 修回日期: 2010-09-02
- 刊出日期: 2011-01-19

Semiring Trust Model Based on Adaptive Forgetting Scheme

摘要

摘要: 半环代数由于可以很好地描述可信度计算规则问题，因此可用来计算节点间的可信度，而目前存在的半环信任模型并未定义基于时间的动态变化问题。该文提出了一种基于自适应遗忘机制的半环信任模型，刻画信任的动态性，并改进已有的半环信任模型，弥补了其未定义动态变化问题的缺陷。仿真结果表明，这种基于自适应遗忘机制的半环信任模型有效分辨正常节点和异常节点，并抵御开关攻击，从而可有效提高网络的安全性。
- Ad hoc /
- 信任模型 /
- 半环 /
- 遗忘机制 /
- 自适应
Abstract: Semiring algebra can be used to compute the trustworthiness between nodes, for it is a good description of the trustworthiness calculation rules issues. However, the existing semiring trust model does not define dynamic issues based on time. A semiring trust model based on the adaptive forgetting scheme is proposed to describe the dynamic of trust, and improve the existing semiring trust model, making up for its shortcoming of not defining dynamic issues. Simulation results show that proposed trust model distinguishes effectively between normal nodes and malicious nodes and resists on-off attacks, which improves the security of Ad hoc networks.
- Ad hoc /
- Trust model /
- Semiring /
- Forgetting scheme /
- Adaptive

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参考文献(1)

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