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- W2738639192 abstract "In various real-world situations, there are actually a large number of dynamic covering information systems, and non-incremental learning technique is time consuming for updating approximations of sets in dynamic covering information systems. In this paper, we investigate incremental mechanisms of updating the second and sixth lower and upper approximations of sets in dynamic covering information systems with variations of attributes. Especially, we design effective algorithms for calculating the second and sixth lower and upper approximations of sets in dynamic covering information systems. The experimental results indicate that incremental algorithms outperform non-incremental algorithms in the presence of dynamic variation of attributes. Finally, we explore several examples to illustrate that the proposed approaches are feasible to perform knowledge reduction of dynamic covering information systems." @default.
- W2738639192 created "2017-07-31" @default.
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- W2738639192 date "2017-10-01" @default.
- W2738639192 modified "2023-10-15" @default.
- W2738639192 title "Incremental approaches for updating reducts in dynamic covering information systems" @default.
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- W2738639192 doi "https://doi.org/10.1016/j.knosys.2017.07.020" @default.
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