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Three-way decision spaces based on partially ordered sets and three-way decisions based on hesitant fuzzy sets
被引:84
作者:
Hu, Bao Qing
[1
,2
]
机构:
[1] Wuhan Univ, Sch Math & Stat, Wuhan 430072, Peoples R China
[2] Wuhan Univ, Computat Sci Hubei Key Lab, Wuhan 430072, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Partially ordered sets;
Fuzzy sets;
Hesitant fuzzy sets;
Rough sets;
Three-way decision spaces;
Three-way decisions;
THEORETIC ROUGH SETS;
LINGUISTIC TERM SETS;
SIMILARITY MEASURES;
MODEL;
OPERATORS;
APPROXIMATIONS;
DISTANCE;
D O I:
10.1016/j.knosys.2015.09.026
中图分类号:
TP18 [人工智能理论];
学科分类号:
081104 ;
0812 ;
0835 ;
1405 ;
摘要:
Three-way decisions on three-way decision spaces are based on fuzzy lattices, i.e. complete distributive lattices with involutive negators. However, now some popular structures, such as hesitant fuzzy sets and type-2 fuzzy sets, do not constitute fuzzy lattices. It limits applications of the theory of three-way decision spaces. So this paper attempts to generalize measurement on decision conclusion in three-way decision spaces from fuzzy lattices to partially ordered sets. First three-way decision spaces and three-way decisions are discussed based on general partially ordered sets. Then this paper points out that the collection of non-empty subset of [0,1] and the family of hesitant fuzzy sets are both partially ordered sets. Finally this paper systematically discusses three-way decision spaces and three-way decisions based on hesitant fuzzy sets and interval-valued hesitant fuzzy sets and obtains many useful decision evaluation functions. (C) 2015 Elsevier B.V. All rights reserved.
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页码:16 / 31
页数:16
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