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Generalized rough sets based on relations
Zhu, William
2007-11-15
发表期刊INFORMATION SCIENCES
卷号177期号:22页码:4997-5011
文章类型Article
摘要Rough set theory has been proposed by Pawlak as a tool for dealing with the vagueness and granularity in information systems. The core concepts of classical rough sets are lower and upper approximations based on equivalence relations. This paper studies arbitrary binary relation based generalized rough sets. In this setting, a binary relation can generate a lower approximation operation and an upper approximation operation, but some of common properties of classical lower and upper approximation operations are no longer satisfied. We investigate conditions for a relation under which these properties hold for the relation based lower and upper approximation operations.
关键词Rough Set Lower Approximation Upper Approximation Binary Relation Fuzzy Set Granular Computing
WOS标题词Science & Technology ; Technology
关键词[WOS]INCOMPLETE INFORMATION-SYSTEMS ; APPROXIMATION OPERATORS ; FUZZY-SETS ; REDUCTION ; ALGORITHM ; SEMANTICS ; CONFLICT ; LOGIC
收录类别SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Information Systems
WOS记录号WOS:000250016200013
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9465
专题09年以前成果
作者单位1.Chinese Acad Sci, Inst Automat, Beijing 100080, Peoples R China
2.Univ Auckland, Dept Comp Sci, Auckland 1, New Zealand
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GB/T 7714
Zhu, William. Generalized rough sets based on relations[J]. INFORMATION SCIENCES,2007,177(22):4997-5011.
APA Zhu, William.(2007).Generalized rough sets based on relations.INFORMATION SCIENCES,177(22),4997-5011.
MLA Zhu, William."Generalized rough sets based on relations".INFORMATION SCIENCES 177.22(2007):4997-5011.
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