Now showing items 1-2 of 2

  • A free terrain model for trajectory k-anonymity 

    Gkoulalas-Divanis, A.; Verykios, V. S. (2008)
    This paper introduces a privacy model for location based services that utilizes collected movement data to identify parts of the user trajectories, where user privacy is at an elevated risk. To protect the privacy of the ...
  • A k-anonymity model for spatio-temporal data 

    Zacharouli, P.; Gkoulalas-Divanis, A.; Verykios, V. S. (2007)
    The unprecedented growth In Location-Based Services (LBS) take-up along with the continuously increasing storage capabilities of modern systems, and have facilitated the collection of information related to users activities ...