Little research exists on one of the most common, oldest, and most utilized forms of online social geographic information: the “location” field found in most virtual community...
Abstract. This paper addresses the problem of static checking of programs to ensure that they satisfy confidentiality policies in the presence of dynamic access control in the for...
Exploring large virtual environments using a small haptic device with limited-workspace capabilities is a challenging task because the user very quickly reaches the borders of the...
: Although avatars may resemble communicative interface agents, they have for the most part not profited from recent research into autonomous embodied conversational systems. In pa...
A new computer assistance concept for bilateral telepresence is introduced which increases telepresent task performance without being explicitly perceived by the operator. Therefor...
Ulrich Unterhinninghofen, Franziska K. B. Freyberg...