2009 | OriginalPaper | Buchkapitel
Rough Set Approximations Based on Granular Labels
verfasst von : Wei-Zhi Wu
Erschienen in: Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
Verlag: Springer Berlin Heidelberg
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In this paper, rough set approximations based on labelled blocks are explored. The concept of labelled blocks determined by a function is first introduced. Lower and upper label-block approximations of sets are then defined. Properties of label-block approximation operators are also examined. Finally, relationship between properties of label-block approximation operators and some essential properties of the corresponding function is characterized.