n-confusion: a generalization of k-anonymity

  • Authors:
  • Klara Stokes;Vicenç Torra

  • Affiliations:
  • Universitat Rovira i Virgili, Tarragona, Catalonia, Spain;IIIA - CSIC, Bellaterra, Catalonia, Spain

  • Venue:
  • Proceedings of the 2012 Joint EDBT/ICDT Workshops
  • Year:
  • 2012

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Abstract

We provide a formal framework for re-identification in general. We define n-confusion as a concept for modelling the anonymity of a database table and we prove that n-confusion is a generalization of k-anonymity. Finally we present an example to illustrate how this result can be used to augment local variance in k-anonymous protected data.