Device-to-device (D2D) communication presents a new paradigm in mobile networking to
facilitate data exchange between physically proximate devices. The development of D2D is …

We present a 3-week user study in which we tracked the locations of 27 subjects and asked
them to rate when, where, and with whom they would have been comfortable sharing their …

Highlights•A method of crowdsourcing in urban green space using Twitter is proposed.•A
case study is presented detailing some information received using this method.•Events in …

The move towards service-oriented architectures and the increasing usage of mobile
devices to access such services are two of the major changes in modern computing …

As smartphones and other mobile computing devices have increased in ubiquity, advertisers
have begun to realize a more effective way of targeting users and a promising area for …

Location based social networking applications enable people to share their location with
friends for social purposes by" checking in" to places they visit. Prior research suggests that …

The advancements in mobile, wireless and positioning technologies have enabled
applications and services such as route guiding and emergency call-out assistance. These …

Location‐aware services may expose users to privacy risks as they usually attach user's
location to the generated contents. Different studies have focused on privacy in location …

Situational Awareness provides a user centric approach to security and privacy. The human
factor is often recognised as the weakest link in security, therefore situational perception and …

As mobile and social networking applications continue to proliferate, they also increasingly
rely on the collection of an ever wider range of contextual attributes, location being a prime …