Ensuring the confidentiality of private data stored in our technological devices is a
fundamental aspect for protecting our personal and professional information. Authentication …

Geolocation prediction (GP) can be applied to geolocation-based services (GBS), which
could provide future services for application users and expand its field of application. Typical …

In recent years, we have seen scientists attempt to model and explain human dynamics and
in particular human movement. Many aspects of our complex life are affected by human …

With the popularity of smart mobile terminals and advances in wireless communication and
positioning technologies, Geo-Social Networks (GSNs), which combine location awareness …

Predicting user future travel trajectories is crucial for transportation planning, emergency
evacuation, geo-customized advertising and other city smart management. However, due to …

Location privacy has became an emerging topic due to the pervasiveness of Location-
Based Services (LBSs). When sharing location, a certain degree of privacy can be achieved …

Recommender Systems are omnipresent in our digital life. Most notably, various media
platforms guide us in selecting videos, but recommender systems are also used for more …

Inferring socio-demographic attributes of users is an important and challenging task that
could help with personalization, recommendation, advertising, etc. Sensor data collected …

Thanks to the built-in GPS device embedded in almost all smartphones, the facility of
tracking users' positions fostered new research opportunities. Among these opportunities, of …

Ubiquitous Internet connectivity enables users to update their Online Social Network profile
from any location and at any point in time. These, often geo-tagged, data can be used to …