Seminario di Informatica: Measuring Query Privacy in Location-Based Services

Giovedì 6 Marzo 2014, ore 11:00 - Aula 2BC30 - Tooska Dargahi



Giovedì 6 Marzo 2014 alle ore 11:00 in aula 2BC30, Tooska Dargahi (Islamic Azad University, Science and Research branch, Tehran, Iran) terrà un seminario dal titolo "Measuring Query Privacy in Location-Based Services".

This presentation is based on the approach proposed by Chen and Pang in the paper entitled “Measuring Query Privacy in Location-Based Services” which has been published in the Proceedings of the second ACM conference on Data and Application Security and Privacy, ACM, 2012.
The popularity of location-based services leads to serious concerns on user privacy. A common mechanism to protect users’ location and query privacy is spatial generalization. As more user information becomes available with the fast growth of Internet applications, e.g., social networks, attackers have the ability to construct users’ personal profiles. This gives rise to new challenges and reconsideration of the existing privacy metrics, such as k-anonymity. In this work, the authors propose new metrics to measure users’ query privacy taking into account user profiles. Furthermore, they design spatial generalization algorithms to compute regions satisfying users’ privacy requirements expressed in these metrics.

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