Paper Title
A Survey On Location Based Query System

Location based system are used for finding out point of interests(POI) from a specific location.Usually a GPS latitude and longitude is sent as an input to the location servers and based on the GPS coordinate the point of interests can be served back to the client from the location server. The dangerous development of area discovery gadgets alongside remote correspondences and versatile databases brings about advancement applications focused around client’s areas. The area server longings to have some control over its information, since the information is its benefit. On the other hand, it concerns over how such possibly untrusted area servers can predict client's private information. This paper gives an exhaustive study of area based protection , and present the different area security models and systems successful in the area anonymization based system. Keywords- Location Based Query, Point of Interest, Private Query, Private Information Retrieval