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Users are vulnerable to privacy risks when providing their location information to location-based services (LBS). Existing work sacrifices the quality of LBS by degrading spatial and temporal accuracy for ensuring user privacy. In this paper, we propose a novel approach, Complete Bipartite Anonymity (CBA), aiming to achieve both user privacy and quality of service. The theoretical basis of CBA is...
The emerging location based services have brought forth a privacy risk where users expose their location information. Most of the existing solutions preserve location privacy relying on a trusted anonymizer, which may not exist in real situation. Several peer-to-peer approaches are proposed, but these techniques require large-scale data storage and communication, and they cannot provide up-to-date...
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