Hybrid inferential security methods for statistical databases

  • Authors:
  • Steven C. Hansen

  • Affiliations:
  • University of St. Thomas

  • Venue:
  • ACM SIGAPP Applied Computing Review - Special issue on security
  • Year:
  • 1995

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Abstract

Memoryless inference control methods have been shown to provide effective means of reducing the amount of sensitive information released from a statistical database while maximizing the release of non-sensitive information. Early memoryless inference controls have the additional benefit of providing control at a low computation and storage cost. Two recent extensions to memoryless inference control allow the controls to release more non-sensitive information but do so at a greater cost in terms of computation and storage. This paper describes a proposed hybrid inference control method that can potentially maximize the release of information while holding down computation costs.