Notes on Rough Set Approximations and Associated Measures

被引：4

作者：

YAO Yiyu Department of Computer ScienceUniversity of ReginaReginaSaskatchewanCanada SS A ^{[4
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机构：

来源：

浙江海洋学院学报(自然科学版) | 2010年 / 29卷 / 05期

关键词：

Accuracy measures; Granularity; Rough set approximations; Roughness;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

<正>We review and compare two definitions of rough set approximations.One is defined by a pair of sets in the universe and the other by a pair of sets in the quotient universe.The latter definition,although less studied,is semantically superior for interpreting rule induction and is closely related to granularity switching in granular computing.Numerical measures about the accuracy and quality of approximations are examined.Several semantics difficulties are commented.

引用

页码：399 / 410

页数：12

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