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Decision-theoretic rough set (DTRS) and multi-granulation rough set (MGRS) are two important extended types of Pawlak’s classical rough set model. The two generalized rough sets have been investigated separately by numerous researchers. However, few studies have focused on the combination of the two rough sets in intuitionistic fuzzy (IF) settings. In this study, two novel MG-IF-DTRS models, which...
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