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

Mobile users increasingly report their co-locations with other users, in addition to revealing
their locations to online services. For instance, they tag the names of the friends they are …

Location privacy has drawn much attention among mobile social network users, as the geo-
location information can be used by the adversaries to launch localization attacks which …

In recent years, applications that collect and store location data have become ubiquitous,
allowing users to engage in a variety of interactions with other users and services in their …

With the increasing proliferation of the Mobile Social Networks (MSN) and the Location
Based Service (LBS), location privacy has attracted broad attention in recent years. Most …

Location-based services (LBSs) are services provided on the basis of the position of users.
There are different types of LBSs and different possible scenarios, but, in any case, serious …

Mobile social apps have been changing the way people interact with each other in the
physical world. To help people extend their social networks, Location-Based Social Network …

Nowadays, location-sharing applications (LSA) within social media enable users to share
their location information at different levels of precision. Users on their side are willing to …

Recent advances in mobile device, wireless networking, and positional technologies have
helped location-aware applications become pervasive. However, location trajectory privacy …

Social relationships between people, eg, whether they are friends with each other, can be
inferred by observing their behaviors in the real world. Thanks to the popularity of GPS …