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Conference Papers Year : 2011

A comparative privacy analysis of geosocial networks


Geosocial networks and applications, such as Foursquare, Gowalla and Facebook places, are designed to encourage their users to share their geolocated data. Among all the Personal Identi able Information (PII), learning the location of an individual is one of the greatest threat against his privacy. For instance, the spatio-temporal data of an individual can be used to infer the location of his home and workplace, to trace his movements and habits, to learn information about his center of interests or even to detect a change from his usual behaviour. In this paper, we provide a comparative privacy analysis of several existing geosocial networks. We first describe the main characteristics of geosocial networks and then we briefly review the systems on which we have focus in this study. Afterwards, we describe the privacy and security criteria that we have identified before evaluating and comparing the di erent geosocial networks in the light of these criteria. Finally, we fi nish with a discussion and some recommendations on how to enhance the protection of privacy in geosocial networks.
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Dates and versions

hal-00660054 , version 1 (15-01-2012)


  • HAL Id : hal-00660054 , version 1


Sébastien Gambs, Olivier Heen, Christophe Potin. A comparative privacy analysis of geosocial networks. SPRINGL - 4th ACM SIGSPATIAL International Workshop on Security and Privacy in GIS and LBS - 2011, Nov 2011, Chicago, United States. ⟨hal-00660054⟩
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