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ROUGH SET THEORY AND ITS APPLICATIONS TO DATA ANALYSIS
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References
1998
Year
Rough Set TheoryBasic IdeasData ScienceData MiningEngineeringUpper ApproximationInformation GranuleKnowledge DiscoveryExtremal Set TheoryDiscrete MathematicsRough SetData Modeling
Abstract This paper gives basic ideas of rough set theory a new approach to data analysis. The lower and upper approximation of a set, the basic operations of the theory, are intuitively explained and formally defined. Some applications of rough set theory are briefly outlined and some future problems are outlined.