The unified lower and upper approximations based on a fuzzy ideal

被引：0
|
作者：
Zhao, Hui-Yin [1 ]
Mi, Ju-Sheng [1 ]
机构：
[1] Hebei Normal Univ, Coll Math & Informat Sci, Shijiazhuang 050016, Hebei, Peoples R China
来源：
PROCEEDINGS OF 2007 INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND CYBERNETICS, VOLS 1-7 | 2007年
关键词：
rough set; ring; ideal; unified approximation;
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：
In this paper, we consider a ring as a universal set and we assume that the knowledge about objects is restricted by a fuzzy ideal. Then we define the unified lower and upper approximations of a subset of a ring based on a fuzzy ideal. Some properties of the unified approximation operators are examined.
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页码：1226 / 1231
页数：6
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