2015•Lecture notes in computer scienceOpen access

Decision-Oriented Rough Set Methods

Jiye Liang

Abstract

Rough set theory is a very effective multi-attribute decision analysis tool. The paper reviews four decision-oriented rough set models and methods: dominance-based rough set, three-way decisions, multigranulation decision-theoretic rough set and rough set based multi-attribute group decision-making model. We also introduce some of our group’s works under these four models. Several future research directions of decision-oriented rough sets are presented in the end of the paper.

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Key concepts: Rough set, Dominance-based rough set approach, Computer science, Set (abstract data type), Decision rule, Data mining, Group decision-making, Decision system