k-jump: A strategy to design publicly-known algorithms for privacy preserving micro-data disclosure
k-jump: A strategy to design publicly-known algorithms for privacy preserving micro-data disclosure
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k-Jump:一种设计公开算法以保护隐私的微数据泄露的策略
DOI:
10.3233/jcs-140514
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发表时间:
2015
影响因子:
1.2
通讯作者:
Shunzhi Zhu
中科院分区:
文献类型:
--
作者:
Wen Ming Liu;Lingyu Wang;Lei Zhang;Shunzhi Zhu
Data owners are expected to disclose micro-data for research, analysis, and various other purposes. In disclosing micro-data with sensitive attributes, the goal is usually two fold. First, the data utility of disclosed data should be maximized for analysis purposes. Second, the private information contained in such data must be to an acceptable level. Typically, a disclosure algorithm evaluates potential generalization functions in a predetermined order, and then discloses the first generalization that satisfies the desired privacy property. Recent studies show that adversarial inferences using knowledge about such disclosure algorithms can usually render the algorithm unsafe. In this paper, we show that an existing unsafe algorithm can be transformed into a large family of safe algorithms, namely, k-jump algorithms. We then prove that the data utility of different k-jump algorithms is generally incomparable. The comparison of data utility is independent of utility measures and syntactic privacy models. Finally, we analyze the computational complexity of k-jump algorithms, and confirm the necessity of safe algorithms even when a secret choice is made among algorithms.
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DOI:
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发表时间:
1997
期刊:
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影响因子:
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DOI:
10.1145/1065167.1065183
发表时间:
2005-06
期刊:
Proceedings of the twenty-fourth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
影响因子:
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