Integrating private databases for data analysis

  • Authors:
  • Ke Wang;Benjamin C. M. Fung;Guozhu Dong

  • Affiliations:
  • Simon Fraser University, BC, Canada;Simon Fraser University, BC, Canada;Wright State University, OH

  • Venue:
  • ISI'05 Proceedings of the 2005 IEEE international conference on Intelligence and Security Informatics
  • Year:
  • 2005

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Abstract

In today's globally networked society, there is a dual demand on both information sharing and information protection. A typical scenario is that two parties wish to integrate their private databases to achieve a common goal beneficial to both, provided that their privacy requirements are satisfied. In this paper, we consider the goal of building a classifier over the integrated data while satisfying the k-anonymity privacy requirement. The k-anonymity requirement states that domain values are generalized so that each value of some specified attributes identifies at least k records. The generalization process must not leak more specific information other than the final integrated data. We present a practical and efficient solution to this problem.