Uncertainty Measures for Hesitant Fuzzy Information

被引:34
|
作者
Zhao, Na [1 ]
Xu, Zeshui [1 ]
Liu, Fengjun [2 ]
机构
[1] Southeast Univ, Sch Econ & Management, Nanjing 211189, Jiangsu, Peoples R China
[2] Dalian Univ Technol, Sch Management Sci & Engn, Dalian 116024, Peoples R China
基金
中国国家自然科学基金;
关键词
DECISION-MAKING; SETS; ENTROPY; SPECIFICITY; INTERVAL; FUZZINESS; KNOWLEDGE; DISTANCE;
D O I
10.1002/int.21714
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In this paper, we first review the existing entropy measures for hesitant fuzzy elements (HFEs) and demonstrate that the existing entropy measures for HFEs fail to effectively distinguish some apparently different HFEs in some cases. Then, we propose a new axiomatic framework of entropy measures for HFEs by taking fully into account two facets of uncertainty associated with an HFE (i.e., fuzziness and nonspecificity). We adopt a two-tuple entropy model to represent the two types of uncertainty associated with an HFE. Additionally, we discuss how to formulate each kind of uncertainty. For each of fuzziness and nonspecificity, some simple methods are provided to construct measures, which can well handle the problems in the existing entropy measures for HFEs. Several examples are given to illustrate each method, and comparisons with the existing entropy measures are also offered.
引用
收藏
页码:818 / 836
页数:19
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