Abstract
AbstractTo erase the imbalance phenomenon between the privacy protection and data availability caused by identifying all attributes have the same importance degree in traditional algorithm, a multi-constraint anonymous parameter design method based on the attribute significance of rough set is proposed taking into account the influence caused by various quasi-identifier attributes. In this algorithm, it is to carry out the dimension division automatically according to the quasi-identifier attributes significance and thereby actualizing designing multi-constraint anonymous parameters. After that, an anonymous operation is executing on the separate partition. Experimental results turn out that the method comes to a better balance between the privacy protection degree and data availability.KeywordsPrivacy preservationAnonymous parametersRough setAttribute significance
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