1. Order preserving encryption for numeric data;Agrawal,2004
2. Supporting anonymous location queries in mobile environments with privacygrid;Bamba,2008
3. Location privacy in pervasive computing;Beresford;IEEE Pervasive Comput.,2003
4. Privacy in mobile computing for location-sharing-based services;Bilogrevic,2011
5. Group signatures with verifier-local revocation;Boneh,2004