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2004 | OriginalPaper | Buchkapitel

Remarks on Approximation Quality in Variable Precision Fuzzy Rough Sets Model

verfasst von : Alicja Mieszkowicz-Rolka, Leszek Rolka

Erschienen in: Rough Sets and Current Trends in Computing

Verlag: Springer Berlin Heidelberg

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In this paper some properties of the variable precision fuzzy rough sets model will be considered. A new way of determining the positive region of classification will be proposed, which is useful in evaluation of approximation quality in variable precision fuzzy or crisp rough sets applications. The notions of the fuzzy rough weighted mean u-lower and l-upper approximation will be discussed. Fuzzy rough approximations will be evaluated basing on selected R-implicators.

Metadaten
Titel
Remarks on Approximation Quality in Variable Precision Fuzzy Rough Sets Model
verfasst von
Alicja Mieszkowicz-Rolka
Leszek Rolka
Copyright-Jahr
2004
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-540-25929-9_48

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