1. Lightweight private proximity testing for geospatial social networks;Kotzanikolaou;Comput. Commun.,2016
2. Location privacy via private proximity testing;Narayanan,2011
3. A location privacy aware friend locator;Šikšnys,2009
4. Deterministic and efficiently searchable encryption;Bellare,2007
5. A new protocol for the nearby friend problem;Chatterjee,2009