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Approximate evaluations based on aggregation functions
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DOI：10.1016/j.fss.2012.07.014.png)
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Abstract
En 中文
Aggregation of real-valued evaluations of elements x,y from a set U is investigated in order to find an approximate evaluation of the composition of x and y performed by a binary operation defined on U. The notions of a lower bound and an upper bound of an evaluation function with respect to a binary operation are introduced and illustrated with examples. Approximate evaluations of composite concepts described by the union of granules of a finite fuzzy set are studied in detail. (C) 2012 Elsevier B.V. All rights reserved.
Keywords:
Evaluation
Aggregation functions
Triangular norms
Granules of a fuzzy set
Fuzzy relations
Approximation
Rough sets
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