New Rough Set Approximation Spaces

Faculty	Science	Year:	2013
Type of Publication:	ZU Hosted	Pages:	1-7
Authors:	Hassan Mostafa Metwally Staff Zu Site Abstract In Staff Site
Journal:	Abstract and Applied Analysis Hindawi Publishing Corporation	Volume:

Keywords :	, Rough , Approximation Spaces
Abstract:	Rough set theory was introduced by Pawlak in 1982 to handle imprecision, vagueness, and uncertainty in data analysis. Our aim is to generalize rough set theory by introducing concepts of $\bigwedge_{_{\beta}}$ -lower and $\bigwedge_{_{\bet

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