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Cover Locations: Availing Location-based Services Without Revealing the Location by Sai Teja Peddinti; Avis Dsouza; Nitesh Saxena is a scholarly article available to read on EtoBox.

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Location-Based Services (LBSs) have been gaining popularity due to a wide range of interesting and important applications being developed. However, the users availing such services are concerned about their location privacy, in that they are forced to reveal their sensitive location information to untrusted third-parties. In this paper, we propose a new privacy preserving approach, Cover Locations, which allows a user to access an LBS without revealing his/her actual location. Based on its current location, the user's device queries for a few specifically chosen surrounding locations and constructs the results corresponding to its location from the results obtained for each queried location. Since the user location does not leave the user's device -as either a latitude and longitude pair, or as an obfuscated region -the user is guaranteed very high level of privacy. The Cover Locations approach only requires minimal changes on the user's device and can be readily deployed by privacy-conscious users. An adversary, trying to identify the user location, can only resolve the location to few triangular regions and not to the actual location itself. We evaluate the privacy provided by Co

Author

Sai Teja Peddinti; Avis Dsouza; Nitesh Saxena

Publisher

ACM

Published

2011

Language

EN