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- W2318561419 abstract "Classical rough set theory is based on the conventional indiscernibility relation. It is not suitable for analyzing incomplete information. Some successful extended rough set models based on different non-equivalence relations have been proposed. The data-driven valued tolerance relation is such a non-equivalence relation. However, the calculation method of tolerance degree has some limitations. In this paper, known same probability dominant valued tolerance relation is proposed to solve this problem. On this basis, an extended rough set model based on known same probability dominant valued tolerance relation is presented. Some properties of the new model are analyzed. In order to compare the classification performance of different generalized indiscernibility relations, based on the category utility function in cluster analysis, an incomplete category utility function is proposed, which can measure the classification performance of different generalized indiscernibility relations effectively. Experimental results show that the known same probability dominant valued tolerance relation can get better classification results than other generalized indiscernibility relations. • A non-equivalence relation (KPDVT) for incomplete information system is proposed. • Extended rough set model based on KPDVT is presented. • A performance index (ICU) for generalized indiscernibility relations is proposed." @default.
- W2318561419 created "2016-06-24" @default.
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- W2318561419 date "2016-07-01" @default.
- W2318561419 modified "2023-10-08" @default.
- W2318561419 title "Extended rough set model based on known same probability dominant valued tolerance relation" @default.
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- W2318561419 doi "https://doi.org/10.1016/j.ijar.2016.04.001" @default.
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