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Titolo:
A generalized definition of rough approximations based on similarity
Autore:
Slowinski, R; Vanderpooten, D;
Indirizzi:
Politech Poznanska Inst, PL-60965 Poznan, Poland Politech Poznanska Inst Poznan Poland PL-60965 , PL-60965 Poznan, Poland Univ Paris 09, LAMSADE, F-75775 Paris 16, France Univ Paris 09 Paris France 16 aris 09, LAMSADE, F-75775 Paris 16, France
Titolo Testata:
IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING
fascicolo: 2, volume: 12, anno: 2000,
pagine: 331 - 336
SICI:
1041-4347(200003/04)12:2<331:AGDORA>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
SETS;
Keywords:
rough sets; lower and upper approximations; ambiguity; similarity relation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Slowinski, R Politech Poznanska Inst, St Piotrowo 3A, PL-60965 Poznan, Poland Politech Poznanska Inst St Piotrowo 3A Poznan Poland PL-60965
Citazione:
R. Slowinski e D. Vanderpooten, "A generalized definition of rough approximations based on similarity", IEEE KNOWL, 12(2), 2000, pp. 331-336

Abstract

This paper proposes new definitions of lower and upper approximations, which are basic concepts of the rough set theory. These definitions follow naturally from the concept of ambiguity introduced in this paper. The new definitions are compared to the classical definitions and are shown to be more general, in the sense that they are the only ones which can be used for anytype of indiscernibility or similarity relation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/09/20 alle ore 22:47:06