Decision‐theoretic rough sets under Pythagorean fuzzy information

Decision‐theoretic rough sets (DTRSs), which provide a classical model of three‐way decisions (3WDs), play an important role in risk decision‐making problems. The risk is associated with the loss function of DTRSs, which is evaluated by the decision makers. As a new extension of fuzzy sets, Pythagor...

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Veröffentlicht in:	International journal of intelligent systems 2018-04, Vol.33 (4), p.818-835
Hauptverfasser:	Mandal, Prasenjit, Ranadive, A. S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Decision making Decision theory decision‐theoretic rough sets Fuzzy sets group decision making Intelligent systems loss function Mathematical analysis Mathematical models Operators (mathematics) Pythagorean fuzzy sets three‐way decisions
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