My doctoral research focuses on the usability and usage of new computer technology such as interactive systems that support the combination different input media such as voice, ge...
This keynote paper argues for an increased understanding of the various roles involved in the development work to be able to achieve the goal of developing increased usability. Hum...
User interfaces form a critical coupling between humans and computers. When the interface fails, the user fails, and the mission is lost. For example, in computer security applica...
Gesture recognition is a difficult task in computer vision due to the numerous degrees of freedom of a human hand. Fortunately, human gesture covers only a small part of the theor...
Axel Saalbach, Gunther Heidemann, Holger Bekel, In...
In this paper, we introduce a simple analytical modeling approach for computing service unavailability due to long response time, for infinite and finite single-server systems a...