Usability of Compromise-Free Statistical Databases

  • Authors:
  • Ljiljana Brankovic;Peter Norak;Mirka Miller;Graham Wrightson

  • Affiliations:
  • -;-;-;-

  • Venue:
  • SSDBM '97 Proceedings of the Ninth International Conference on Scientific and Statistical Database Management
  • Year:
  • 1997

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Abstract

The usability of a statistical database is defined to be the ratio of the cardinality of the largest set of queries which can be answered without compromise to the total number of queries. In this paper, we present new results concerning the usability of secure statistical databases for general SUM, COUNT and MEAN queries, as well as for the corresponding range queries. We give the usability of these k-dimensional databases for all k/spl ges/1. The paper concludes with a discussion of the implications of our results.