International Journal on Computer Science and Technology (IJCST)
Location based service is a service which allows the user to receive service based on geographic location. Location based services are becoming important and gaining prominence with the increasing use of mobile devices. There are so many issues in establishing location based service out of which privacy is a paramount issue. User's privacy can be breached by linking one's identity, location, and query content. Good privacy-preserving LBS must be secure and provide accurate query results. In this paper, the authors study various protocols to deal with the privacy and the accuracy issues of privacy-preserving LBS.