To provide personalization and adaptivity in technology enhanced learning systems, the needs of learners have to be known by the system first. Detecting these needs is a challengin...
Reactivity, the ability to detect and react to events, is an essential functionality in many information systems. In particular, Web systems such as online marketplaces, adaptive (...
We outline a procedure called communicative and material functions analysis that can be used to derive business modeling concepts. It is rooted in the language-action perspective o...
This paper presents a method I for tracking and segmenting vehicles in a traffic scene. The approach is based on a frame to frame segmentation followed by a tracking process. As op...
Current user interface techniques such as WIMP or the desktop metaphor do not support real world tasks, because the focus of these user interfaces is only on human–computer inte...