Improvement in Enhanced Privacy Protection in LBS
In order to access location-based services, mobile users have to disclose their exact location information to service providers. However, adversaries could collect the location information for purposes against mobile user's privacy, such as tracking and stalking. The most popular solutions for privacy protection are utilizing the K-anonymity model to blur user's exact location information. System architectures applying the K-anonymity principle to construct the cloaking region for the privacy preserving spatial query. The authors' technique, progressively increase the privacy level of the users.