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Clustering-Based Categorical Data Protection

  • Jordi Marés
  • Vicenç Torra
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7556)

Abstract

The need of improving the privacy on public datasets is becoming more and more important because the number of public available datasets is growing very fast. This forced the continuous research to find better protection methods that prevent the disclosure of the entities or individuals in a dataset while preserving the data utility.

In this paper we present a new approach for categorical data protection based on applying clustering to the dataset and then protecting each cluster. We show that this new approach allow us to have protections with better trade-off between data utility and individuals information disclosure.

Keywords

Clustering Categorical data Data privacy Microaggregation 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Jordi Marés
    • 1
  • Vicenç Torra
    • 1
  1. 1.IIIA - Institut d’Investigació en Intel·ligència Artificial, CSIC - Consejo Superior de Investigaciones CientíficasUniversitat Autònoma de Barcelona (UAB)BellaterraSpain

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