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

页码：17 / 41

页数：25

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