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    Gkoulalas-Divanis, A.; Verykios, V. S. (2009)
    The hiding of sensitive knowledge in the form of frequent itemsets, has gained increasing attention over the past years. This paper highlights the process of border revision, which is essential for the identification of ...
  • Exact Knowledge Hiding through Database Extension 

    Gkoulalas-Divanis, A.; Verykios, V. S. (2009)
    In this paper, we propose a novel, exact border-based approach that provides an optimal solution for the hiding of sensitive frequent item sets by 1) minimally extending the original database by a synthetically generated ...
  • Hiding sensitive knowledge without side effects 

    Gkoulalas-Divanis, A.; Verykios, V. S. (2009)
    Sensitive knowledge hiding in large transactional databases is one of the major goals of privacy preserving data mining. However, it is only recently that researchers were able to identify exact solutions for the hiding ...