2011 | OriginalPaper | Buchkapitel
Generalized Rough Sets and Implication Lattices
verfasst von : Pulak Samanta, Mihir Kumar Chakraborty
Erschienen in: Transactions on Rough Sets XIV
Verlag: Springer Berlin Heidelberg
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This paper consists of an extensive survey of various generalized approaches to the lower and upper approximations of a set, the two approximations being first defined by Pawlak while introducing rough set theory. Particularly, relational, covering based and operator based approaches are considered. Categorization of various approaches in terms of implication lattices is shown. Significance of this categorization in rough logics is briefly mentioned.