Continuous privacy preserving publishing of data streams

  • Authors:
  • Bin Zhou;Yi Han;Jian Pei;Bin Jiang;Yufei Tao;Yan Jia

  • Affiliations:
  • Simon Fraser University, Canada;National University of Defense Technology, China;Simon Fraser University, Canada;Simon Fraser University, Canada;The Chinese University of Hong Kong, China;National University of Defense Technology, China

  • Venue:
  • Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology
  • Year:
  • 2009

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Abstract

Recently, privacy preserving data publishing has received a lot of attention in both research and applications. Most of the previous studies, however, focus on static data sets. In this paper, we study an emerging problem of continuous privacy preserving publishing of data streams which cannot be solved by any straightforward extensions of the existing privacy preserving publishing methods on static data. To tackle the problem, we develop a novel approach which considers both the distribution of the data entries to be published and the statistical distribution of the data stream. An extensive performance study using both real data sets and synthetic data sets verifies the effectiveness and the efficiency of our methods.