Location information can be used to enhance interaction with mobile devices. While many location systems require instrumentation of the environment, we present a system that allow...
Gerd Kortuem, Christian Kray, Hans-Werner Gellerse...
Lightweight photo sharing, particularly via mobile devices, is fast becoming a common communication medium used for maintaining a presence in the lives of friends and family. How ...
Process calculi are mathematical tools used for modeling and analyzing the structure and behavior of reactive systems. One such calculus, called APi-calculus (an extension to Pi-ca...
FriendFinder as a location-based service collects location data from mobile users and distributes a particular user’s location upon request. Privacy of users data especially loc...
Abstract—Identity Management (IdM) on the application layer improves the usability and security for end users by offering features like Single Sign-On and attribute provisioning....