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Range-kNN queries with privacy protection in a mobile environment
2015
Pervasive and Mobile Computing
With the help of location-based services (LBS), mobile users are able to access their actual locations, which can be used to search for information around them which they are interested in. One typical thing is that mobile users are more likely to protect their personal information such as their actual locations. In order to protect the privacy of users' personal information, we proposed Range-kNN queries, which uses the query range instead of one single query point. A Landmark Tree (LT), which
doi:10.1016/j.pmcj.2015.05.004
fatcat:3n3rybxlljhmvmc3a7qwoqstjy