Using geosocial applications, such as FourSquare, millions of people interact with their
surroundings through their friends and their recommendations. Without adequate privacy …

Location-based social applications (LBSAs) rely on the location coordinates of the users to
provide services. Today, smartphones using these applications act as simple clients and …

Sharing of location data enables numerous exciting applications, such as location-based
queries, location-based social recommendations, monitoring of traffic and air pollution …

We address issues related to privacy protection in location-based services (LBSs). Most
existing privacy-preserving LBS techniques either require a trusted third-party (anonymizer) …

We propose a new approach to ensure privacy in location based services, without requiring
any support from a" trusted" entity. We observe that users of location based services are …

The expanding use of location-based services has profound implications on the privacy of
personal information. In this paper, we propose a framework for preserving location privacy …

Location-based applications utilize the positioning capabilities of a mobile device to
determine the current location of a user, and customize query results to include neighboring …

A typical location-based service returns nearby points of interest in response to a user
location. As such services are becoming increasingly available and popular, location privacy …

In this paper we report on our ongoing project aimed at protecting the privacy of the user
when dealing with location-based services. The starting point of our approach is the …

Location-based Services are emerging as popular applications in pervasive computing.
Spatial k-anonymity is used in Location-based Services to protect privacy, by hiding the …