证据距离的选取对冲突证据组合影响的研究

周永庆 1; 韩德强 1; 杨艺 2; 3

doi:10.7652/xjtuxb201806001

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证据距离的选取对冲突证据组合影响的研究

更新时间：2025-07-09

- 证据距离的选取对冲突证据组合影响的研究
- A Research on the Influence of Evidence Distance Selection on Combination of Conflict Evidences
- 西安交通大学学报 2018年52卷第6期页码：1-8
- 作者机构：
  
  西安交通大学电子与信息工程学院,西安,710049
- 作者简介：
- 基金信息：
  
  : 2017-12-18。作者简介: 周永庆(1993—),男,硕士生;韩德强(通信作者),男,教授,博士生导师。基金项目: 国家自然科学基金资助项目(61573275,61671370);国家“973计划”资助项目(2013CB329405);中国博士后科学基金资助项目(2016M592790);陕西省科技计划资助项目(2013KJXX-46);中央高校基本科研业务费专项资金资助项目(xjj2016066)
- DOI：10.7652/xjtuxb201806001
  中图分类号： TP391
- 网络首发：2018-06-10，
  
  纸质出版：2018
- 稿件说明：
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周永庆 1, 韩德强 1, 杨艺 2, 等. 证据距离的选取对冲突证据组合影响的研究[J]. 西安交通大学学报, 2018,52(6):1-8.

A Research on the Influence of Evidence Distance Selection on Combination of Conflict Evidences[J]. 2018, 52(6): 1-8.
周永庆 1, 韩德强 1, 杨艺 2, 等. 证据距离的选取对冲突证据组合影响的研究[J]. 西安交通大学学报, 2018,52(6):1-8. DOI： 10.7652/xjtuxb201806001.

A Research on the Influence of Evidence Distance Selection on Combination of Conflict Evidences[J]. 2018, 52(6): 1-8. DOI： 10.7652/xjtuxb201806001.

摘要

为了研究证据距离的选取对冲突证据组合的影响

提出一种将不同的证据距离度量方式应用在加权证据组合中的对比方法。首先采用不同的证据距离度量方式得到证据相似度

依据证据相似度求得证据可靠度

之后用证据可靠度对证据进行加权求和得到平均证据

最终对平均证据进行证据组合

对比在不同的证据距离度量方式下上述证据组合过程的合理性

得到适合加权证据组合中权重生成的距离度量方式。采用4个算例

对不同的证据距离度量方式下求得的证据可靠度、平均证据和证据组合结果进行分析比较

实验结果表明

与其他证据距离相比

利用该方法选出的证据距离能够更有效地体现证据之间的差异性

所求取的证据可靠度与实际情况更为贴合。

Abstract

A comparative method is proposed to study the influence of evidence distance selection on combination of conflict evidences and the method applies different evidence distance measurements to combination of weighted evidences. Firstly

different evidence distance measurements are used to get similarities of evidences. Then evidence credibilities are calculated using evidence similarities and the averages of evidences are calculated by summing up weighted evidences using the credibilities as weights. Finally

resulting averages are combined. The rationality of these combinations of evidences in different evidence distance measurements is compared to obtain a suitable weights generation in weighted evidence combination. Numerical examples are given to analyze and to compare evidence credibilities

averages of evidences and combination results of evidences. Experimental results and comparisons with other evidence distance measurements show that the evidence distance measurements selected by the proposed method reflect the difference between the evidences more effectively

and the calculated evidence credibilities are more consistent with the actual situation.

关键词

Keywords

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