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CurrentDevelopmentsofk-AnonymousDataReleasing的定稿.doc
Current Developments of k-Anonymous Data Releasing
Jiuyong Li, Hua Wang2, Huidong Jin3, Jianming Yong4
1School of Computer and Information Science,
University of South Australia, Mawson Lakes
Adelaide, Australia, 5095
Email: jiuyong.li@.au
2Department of Mathematics and Computing,
University of Southern Queensland,
Toowoomba, Australia 4350
Email: hua.wang@.au
3National ICT Australia (NICTA), Canberra Lab,
ACT, Australia, 0200,
huidong.jin@.au.
4Department of Information Systems,
University of Southern Queensland,
Toowoomba, Australia, 4350
Email: yongj@.au
Abstract
Disclosure-control is a traditional statistical methodology for protecting privacy when data is released for analysis. Disclosure-control methods have enjoyed a revival in the data mining community, especially after the introduction of the k-anonymity model by Samarati and Sweeney. Algorithmic advances on k-anonymisation provide simple and effective approaches to protect private information of individuals via only releasing k-anonymous views of a data set. Thus, the k-anonymity model has gained increasing popularity. Recent research identifies some drawbacks of the k-anonymity model and presents enhanced k-anonymity models. This paper reviews problems of the k-anonymity model and its enhanced variants, and different methods for implementing k-anonymity. It compares the k-anonymity model with the secure multiparty computation-based privacy-preserving techniques in the data mining literature. The paper also discusses further development directions of the k-anonymous data releasing.
Keywords: privacy preserving, data releasing, k-anonymity.
Introduction
Various organisations, such as hospitals, medical administrations and insurance companies, have collected a large amount of data over years. However, gold nuggets in these data are unlikely to be discovered if the data is locked in data custodians’ storage. A major risk of releasing data for public research is revealing the private information of i
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