∗ Abstract: Recently, the usage scenarios of location-based services are becoming
increasingly complex. Attackers can reconstruct a user's trajectory by collecting continuous …

The rapid development of wireless communications and mobile database technology
promote the extensive application of Location Based Services (LBSs), and provide a greatly …

The accuracy of user location information is inversely proportional to the user's privacy
preserving degree k, and is proportional to quality of query service. In order to balance the …

This paper studies the problem of location and query content preserving in location based
service (LBS) systems. Based on the private information retrieval (PIR) theory and location k …

The researches protecting user's location in location-based services (LBS) have received
much attention. Especially k-anonymity is the most popular privacy preservation method. k …

Considering the growth of wireless communication and mobile positioning technologies,
location-based services (LBSs) have been generating increasing research interest in recent …

The development of location-based services and mobile devices has lead to an increase in
the location data. Through the data mining process, some valuable information can be …

With the development of wireless communication and positioning technology, location-
based services (LBSs) have been gaining tremendous popularity, due to its ability to greatly …

In recent years, with the development of mobile devices, the location based services (LBSs)
have become more and more prevailing and most applications installed on these devices …

In recent years, the problem of location privacy protection in location-based service (LBS)
has drawn a great deal of researchers' attention. However, the existing technologies of …