Abstract: Part 5: Spatial Systems and Crowdsourcing Security; International audience; Most online mobile services make use of location data to improve customer experience. Mobile users can locate points of interest near them, or can receive recommendations tailored to their whereabouts. However, serious privacy concerns arise when location data is revealed in clear to service providers. Several solutions employ Searchable Encryption (SE) to evaluate spatial predicates directly on location ciphertexts. While doing so preserves privacy, the performance ove...
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Topics: 
Theoretical computer science
Data mining
Information retrieval