Generalized Ideals and Co-granular Rough Sets
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Cites background from "Generalized Ideals and Co-granular ..."
...In the present author’s classification, a rough approximation operator may be granular (in the axiomatic sense), co-granular, pointwise, abstract or empirical [31]....
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5 citations
Cites background from "Generalized Ideals and Co-granular ..."
...The reader may refer to [40, 12] for more on the following definition....
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References
458 citations
"Generalized Ideals and Co-granular ..." refers background in this paper
...In general rough set theory that specifically targets information systems as the object of study, approximations are defined relative to information systems and rough objects of various kinds are studied [1,2,3]....
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158 citations
"Generalized Ideals and Co-granular ..." refers background in this paper
...Ideals can be described through first order conditions [22] in some universal algebras with distinguished element 0 (that are ideal determined)....
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134 citations
"Generalized Ideals and Co-granular ..." refers background in this paper
...Duality theorems, proved for pre-rough algebras defined in [14], are specifically for structures relation isomorphic to the approximation space (O, σ)....
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115 citations
"Generalized Ideals and Co-granular ..." refers background in this paper
...Some concepts and recent results of spatial mereology are mentioned first (see [23])....
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87 citations