A Method for Improving Rough Set Approximation Accuracy in terms of j-Neighborhood Spaces

Document Type : Research and Reference

Authors

1 Department of Mathematics, Faculty of Science, Tanta University, EGYPT.

2 2 Department of Mathematics, Faculty of Science, the 7th of April University, Al- Zawia- LIBYA.

Abstract

This paper aims to introduce an effective method for improving rough set approximation accuracy.
Considering the j-neighborhood space, the lower and upper approximation operators are defined and their fundamental
properties are obtained. The approximations are constructed in four different approaches. Comparison between the
accuracy of these four types of approximations is imposed and the best one is defined

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