Understanding the privacy-efficiency trade-off in location based queries

  title={Understanding the privacy-efficiency trade-off in location based queries},
  author={Gabriel Ghinita},
Mobile devices with global positioning capabilities (e.g., GPS) allow users to ask queries relative to their present location. Since certain queries may be privacy-sensitive, it is important to protect the identity of the users who send requests for Location-based Services (LBS). Instead of reporting the exact user location to the LBS provider, existing privacy-preserving techniques either perturb or encrypt the location data. Current LBS privacy solutions fall into several categories, based… CONTINUE READING
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