School of Mathematics and Information Science , Neijiang Normal University, Neijiang , China

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Abstract—A new dominance relation is defined in set-valued information system based on similarity grade of attribute value sets the problem of attribute reduction and the judgment in set-valued information system are studied, from which a new approach to attribute reductions is provided in set-valued information system, and the influence of similarity level on attribute reduction are discussed.

Index Terms—Set-valued information system, minance relation, similarity level, attribute reduction.

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Cite: Chunzhen Zhong, "Attribute Reduction of Set-valued Information System Based on Dominance Relation," Journal of Software vol. 8, no. 12, pp. 3026-3028, 2013.