A cyber-character is a kind of artificial life inhabiting a virtual world. To be a life form in the virtual world, cyber characters need sensors and control systems. The sensor sy...
One of the most challenging issues in managing the large and diverse data available on the World Wide Web is the design of interactive systems to organize and represent information...
We developed and evaluated a visualization tool for browsing individual blog archives. In our study, we solicited qualitative feedback from the participants to explore the reasons...
Field studies show that in many learning settings paper has intrinsic advantages over electronic documents. In this paper we present concepts for the collaborative annotation and ...
Since several years, ubiquitous computing and pervasive computing has emerged and, in particular, context-aware computing. Using mobile devices, the context is perpetually evolvin...