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A data-driven trust evaluation model based on the perception source
Authors
王彦超
田鹤
+3 more
赵海
邵士亮
郭凯红
Publication date
1 January 2021
Publisher
Abstract
为解决物联网数据源头的可靠问题,构建一种基于感知源的数据驱动信任评测模型。模型以监测模块为评测单元,由中继节点完成其所在监测模块内感知节点的信任评测,通过感知节点自身数据之间的关系实现直接信任的计算,利用监测模块内各邻居节点之间关系实现推荐信任的计算,再结合历史信任,输出感知节点的综合信任。同时与模型预设的可疑阈值和异常阈值进行对比,更新历史信任和信任列表,实现感知节点的异常检测,利用预警检测误差和失信检测误差对模型的检测效果进行评价,统计结果表明模型能够保持较低的平均误差。将信任机制引入到数据融合过程,用综合信任作为加权因子,从而提高了数据融合的准确度。最后,通过实验仿真对信任评测模型进行评价,结果表明引入信任评测模型后延长了节点开始死亡的时间,随着节点的更新迭代,失信节点越来越少,在一定程度上提高了节点的存活率,延长了网络的生命周期。</p
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Institutional Repository of Institute of Automation, CAS
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Last time updated on 13/10/2020
Shenyang Institute of Automation,Chinese Academy Of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.sia.cn/:173321/27659
Last time updated on 25/11/2020