The Structure of Multigranular Rough Sets

被引：2
|
作者：
Jarvinen, Jouni [1 ]
Radeleczki, Sandor [2 ]
机构：
[1] Univ Turku, Dept Math & Stat, Turku 20014, Finland
[2] Univ Miskolc, Inst Math, H-3515 Miskolc, Hungary
来源：
FUNDAMENTA INFORMATICAE | 2020年 / 176卷 / 01期
关键词：
Equivalence relation; multigranular approximation; definable set; rough set; coherence; tolerance relation; irredundant covering; atomistic Boolean lattice; completely distributive lattice; Dedekind-MacNeille completion;
D O I：
10.3233/FI-2020-1961
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
We study multigranulation spaces of two equivalences. The lattice-theoretical properties of so-called "optimistic" and "pessimistic" multigranular approximation systems are given. We also consider the ordered sets of rough sets determined by these approximation pairs.
引用
收藏
页码：17 / 41
页数：25
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