Preserving User Location Privacy with Safe Zone for Spatial Queries

Now a days the use of Location Based Services (LBS) gainedimportance among the users. In most of the cases, users do notwant to reveal their personal information to their serviceproviders. Sometimes mobile devices are out of the specifiedrange which cannot be processes by servers. Henceconfidentiality, privacy and up to date and optimal answerswill be important aspects in location based services. In thispaper we extend two features called safe zone and anonymizerto overcome the problems faced by LBS now.