T-Rough Approximation Pairs and Covering Based Rough Sets

• Autorzy: Zhang X. , Zhang Y. , Xue Z. , Ma Y.

Identyfikatory

DOI

10.3233/FI-2015-1291

• Języki publikacji: EN

Abstrakty

EN

The relationships between T-rough sets and covering based rough sets are investigated, and two kinds of generated methods of rough approximation operators from existing rough sets are established. Moreover, applying the aforementioned generated methods of approximation operators, S-rough sets and some new covering-based rough sets are introduced and their basic properties are discussed.

Słowa kluczowe

EN

rough approximation pair; closeness; covering; T-rough set; S-rough set

• Wydawca: IOS Press
• Czasopismo: Fundamenta Informaticae
• Rocznik: 2015
• Tom: Vol. 142, nr 1-4
• Strony: 195--212
• Opis fizyczny: Bibliogr. 45 poz., rys.

Twórcy

autor

Zhang X.

• Department of Mathematics College of Arts and Sciences Shanghai Maritime University Shanghai 201306, China

autor

Zhang Y.

• School of Computer Science Northwestern Polytechnical University Xi’an Shaanxi 710072, China

autor

Xue Z.

• College of Computer and Information Engineering Henan Normal University Xinxiang 453007, China

autor

Ma Y.

• School of Science Xi’an Polytechnic University Xi’an 710048, Shaanxi, China

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