Caché: Caching location-enhanced content to improve user privacy

Shahriyar Amini*, Janne Lindqvist, Jason Hong, Jialiu Lin, Eran Toch, Norman Sadeh

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussaConference article in proceedingsScientificvertaisarvioitu

53 Sitaatiot (Scopus)


We present the design, implementation, and evaluation of Caché, a system that offers location privacy for certain classes of location-based applications. The core idea in Caché is to periodically pre-fetch potentially useful location-enhanced content well in advance. Applications then retrieve content from a local cache on the mobile device when it is needed. This approach allows an end-user to make use of location-enhanced content while only revealing to third-party content providers a large geographic region rather than a precise location. In this paper, we present an analysis that examines tradeoffs in terms of storage, bandwidth, and freshness of data. We then discuss the design and implementation of an Android service embodying these ideas. Finally, we provide two evaluations of Caché. One measures the performance of our approach with respect to privacy and mobile content availability using real-world mobility traces. The other focuses on our experiences using Caché to enhance user privacy in three open source Android applications.

OtsikkoMobiSys'11 - Compilation Proceedings of the 9th International Conference on Mobile Systems, Applications, and Services and Co-located Workshops
DOI - pysyväislinkit
TilaJulkaistu - 8 elok. 2011
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaInternational Conference on Mobile Systems, Applications, and Services - Bethesda, Yhdysvallat
Kesto: 28 kesäk. 20111 heinäk. 2011
Konferenssinumero: 9


ConferenceInternational Conference on Mobile Systems, Applications, and Services


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