Rough Approximation Based on Weak q-RIFs

Authors:
Anna Gomolińska
Affiliations:
Department of Mathematics, Białystok University, Białystok, Poland 15267
Venue:
Transactions on Rough Sets X
Year:
2009

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Abstract

In this article we consider approximation spaces where instead of rough inclusion functions, the so-called weak quasi-rough inclusion functions (weak q-RIFs) are used to measure the degree of inclusion of a set in a set. Theoretical properties of rough approximation operators based on such inclusion measures are discussed.