Computer Science ›› 2005, Vol. 32 ›› Issue (11): 170-171.
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YAN De-Qin (Department of Computer Science, Liaoning Normal University, Dalian 116029)
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Abstract: In this paper, matrix expression for equivalence relation is proposed, some theorems related to equivalence matrix and the property of core are presented. And, a new method of attribute reduction for incomplete information systems is given. The validity o
Key words: Rough sets, Attribute reduction, Equivalent matrix
YAN De-Qin (Department of Computer Science, Liaoning Normal University, Dalian 116029). [J].Computer Science, 2005, 32(11): 170-171.
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