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Efficient rough-set-based attribute reduction algorithm with nearest neighbour searching

Efficient rough-set-based attribute reduction algorithm with nearest neighbour searching

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© The Institution of Engineering and Technology
Published

A fast nearest neighbour searching method with gradually shrinking search space is proposed to reduce the computing complexity of indiscernibility relation in the rough-set-based attribute reduction algorithm. Experimental results show that the proposed algorithm computed attribute reduction more efficiently.

Inspec keywords: search problems; rough set theory; computational complexity

Other keywords: nearest neighbour searching; rough-set-based attribute reduction algorithm; gradually shrinking search space

Subjects: Combinatorial mathematics; Computational complexity; Combinatorial mathematics; Algebra, set theory, and graph theory

References

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      • D. Ye . An improvement to Jelonek's attribution reduction algorithm. Acta Electron. Sin. , 12 , 81 - 82
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      • X. Hu , C. Nick . Learning in relational databases: a rough set approach. Int. J. Comput. Intell. , 2 , 323 - 338
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