Strong measurement method of evidence conflict based on earth mover’s distance [PDF]
, 2022 Aiming at the problem that the conflict factor k in D-S evidence theory cannot effectively measure the degree of conflict between two bodies of evidence (BoEs), the expected features of evidence conflict strong measurement function (ECSMF) were proposed,
Wei FU, Xin WANG
core +1 more source
Measurement of evidence conflict based on correlation coefficient [PDF]
, 2014 In order to measure the conflict degree much better, criteria for correlation coefficient was defined based on analysis on the relation between evidence similarity and conflict.
Ai-jun XUE +3 more
core +1 more source
Weighted cooperative spectrum sensing algorithm based on dempster-shafer evidence theory [PDF]
, 2012 A weighted cooperative spectrum sensing algorithm based on D-S evidence theory (DS-WCSS) was proposed.The algorithm took energy detector to perform local spectrum sensing,evaluated the credibility difference of cognit ve users according to the means and ...
Kai LIU, Lin XIAO, Ya-jian ZHOU
core +1 more source
Critical nodes selection based on trust evaluation in Ad Hoc networks [PDF]
, 2014 There are some critical nodes in Ad Hoc networks,and the failure of these critical nodes can critically affect the performance of the network.For the aim of selecting the important and trusted critical nodes in Ad Hoc networks,the definition of critical ...
Chun-jie CAO +4 more
core +1 more source
Research on selective trust-path search and aggregation in distributed environment [PDF]
, 2012 Current trust models based on reputation had some disadvantages in characterizing recommendation credibility and dealing with Trust-Path Search and aggregation.To solve these problems,an updating algorithm for recommendation credibility was proposed ...
Jian-xin GAO, Xiao-ping WU, Yan-lin QIN
core +1 more source
Evidence conflict measurement method based on Pignistic probability transformation and singular value decomposition [PDF]
, 2021 In view of the problem of poor adaptability and low accuracy of common evidence conflict measurement method, an evidence conflict measurement method based on Pignistic probability transformation and singular value decomposition was proposed.First ...
Lianzhi QI +4 more
core +1 more source
Gaoya dianqi, 2022 为了进一步提高变压器故障诊断精度，提出基于云模型与改进D-S证据理论的变压器故障诊断方法。首先，利用油中溶解气故障样本建立各类型故障的标准云模型，并计算待测样本与故障标准云间的隶属度值；其次，根据隶属度确定不同故障下的基本概率分配；然后，利用Pignistic概率距离构建相似度并对基本概率分配进行修正，再引入平均支持度加权优化证据融合规则；最后，使用基于云模型和改进证据理论建立的诊断模型对实际案例进行测试与诊断分析。实验结果表明：基于云模型和改进D-S证据理论建立的模型故障诊断精度达88.4±2.8 ...
张宽 +5 more
doaj
Evidence combination method based on Pignistic function transformation and correlation coefficient [PDF]
, 2019 The situation of high conflict between evidences and one ballot veto cannot be solved by classical D-S rule,and the results obtained from classical D-S rule are contrary to the facts.To solve this problem,a new standard to measure conflicts between ...
Mengjie LI +3 more
core +1 more source
Cooperative spectrum sensing method and performance analysis based on similarity between evidences [PDF]
, 2020 The Dempster-Shafer(DS) evidence theory was applied to cooperative spectrum sensing and address the paradox of evidence in classical DS evidence theory, a new weighted distance measure based algorithm was proposed.Firstly, the evidences were extracted ...
Ming DIAO +3 more
core +1 more source
Trust evaluation model based on improved D-S evidence theory [PDF]
, 2013 The existing trust evidence models cannot deal with malicious attacks in the distributed net quickly and effectively, and are lack of a trust normalization method that can measure relationship described by a triple set, so a trust model based on the ...
Hai-yan WANG +3 more
core +1 more source