An Alpha-Dominance Relation in Disjunctive Set-Valued Ordered Information Systems

Yue Jin Lv; Wu Song Yang

doi:10.4028/www.scientific.net/AMR.532-533.969

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 532-533An Alpha-Dominance Relation in Disjunctive...

An Alpha-Dominance Relation in Disjunctive Set-Valued Ordered Information Systems

Abstract:

By defining the degree of dominance between two sets with respect to a certain criterion, a new alpha-dominance relation is proposed in this paper. And then a rough set approach based on this relation in disjunctive set-valued ordered information systems is presented. After that, a ranking method for all objects is introduced to the disjunctive set-valued ordered information systems, and a numerical example is illustrated to demonstrate the validity of this ranking method.

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Periodical:

Advanced Materials Research (Volumes 532-533)

Pages:

969-973

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.532-533.969

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Online since:

June 2012

Authors:

Yue Jin Lv, Wu Song Yang

Keywords:

Dominance Relation, Ranking, Rough Set (RS), Set-Valued Ordered Information Systems

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