delta-Presence without complete world knowledge

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Nergiz, Mehmet Ercan and Clifton, Christopher (2010) delta-Presence without complete world knowledge. IEEE Transactions On Knowledge and Data Engineering, 22 (6). pp. 868-883. ISSN 1041-4347

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Official URL: http://dx.doi.org/10.1109/TKDE.2009.125


Advances in information technology, and its use in research, are increasing both the need for anonymized data and the risks of poor anonymization. In [1], we presented a new privacy metric, delta-presence, that clearly links the quality of anonymization to the risk posed by inadequate anonymization. It was shown that existing anonymization techniques are inappropriate for situations where delta-presence is a good metric (specifically, where knowing an individual is in the database poses a privacy risk). This article addresses a practical problem with [1], extending to situations where the data anonymizer is not assumed to have complete world knowledge. The algorithms are evaluated in the context of a real-world scenario, demonstrating practical applicability of the approach.

Item Type:Article
Uncontrolled Keywords:k-Anonymity; privacy; delta presence; medical databases
Subjects:Q Science > QA Mathematics > QA075 Electronic computers. Computer science
ID Code:13918
Deposited By:Mehmet Ercan Nergiz
Deposited On:06 May 2010 15:35
Last Modified:24 Jul 2019 16:45

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