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Modeling the Uncertain Data in the K-anonymity Privacy Protection Model

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2 Author(s)
Jiawei Wu ; Donghua Univ., Shanghai, China ; Guohua Liu

Modeling is the basis for data management of uncertainty. The Specificity in the uncertainty of the data in the k-anonymity privacy protection model is found, namely, its uncertainty is caused by human with generalization, the probability that each instance after generalization is reduced to the original tuple is equal. The past modeling approaches of uncertainty data are not suitable for this kind of uncertainty data simply. In order to describe it, several new modeling methods are proposed in this paper: Kattr model uses attribute-ors ways to describe the uncertainty of the quasi-identifier attribute values, Ktuple model takes the quasi-identifier attribute values as nest relations and use tuple-ors ways to describe the relations, Kupperlower model separates a quasi-identifier attribute to two fields: upper and lower, Ktree model converts each quasi-identifier attribute into a tree. The completeness and closure of these models are discussed later.

Published in:

Computational Intelligence and Security (CIS), 2011 Seventh International Conference on

Date of Conference:

3-4 Dec. 2011