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2011 IEEE International Conference on Pervasive Computing and Communications (PerCom) (2011)
Seattle, WA USA
Mar. 21, 2011 to Mar. 25, 2011
ISBN: 978-1-4244-9530-6
pp: 84-92
Emiliano De Cristofaro , University of California, Irvine, USA
Anthony Durussel , Nokia Research Center, Lausanne, Switzerland
Imad Aad , Nokia Research Center, Lausanne, Switzerland
The scope of mobile phones has skyrocketed in recent years to such an extent that smartphone sales are expected to surpass those of PCs by the end of 2011. Equipped with relatively powerful processors and fairly large memory and storage capabilities, smartphones can accommodate increasingly complex interactive applications. As a result, the growing amount of sensitive information shared by smartphone users raises serious privacy concerns and motivates the need for appropriate privacy-preserving mechanisms. In this paper, we present a novel architecture geared for privacy-sensitive applications where personal information is shared among users and decisions are made based on given optimization criteria. Specifically, we focus on two application scenarios: (i) privacy-preserving interest sharing, i.e., discovering shared interests without leaking users' private information, and (ii) private scheduling, i.e., determining common availabilities and location preferences that minimize associate costs, without exposing any sensitive information. We propose efficient yet provably-private solutions, and conduct an extensive experimental analysis that attests to the practicality of the attained privacy features.

A. Durussel, I. Aad and E. De Cristofaro, "Reclaiming privacy for smartphone applications," 2011 IEEE International Conference on Pervasive Computing and Communications (PerCom)(PERCOM), Seattle, WA USA, 2011, pp. 84-92.
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