Multi-level transactions are a variant of open nested transactions in which the subtransactions correspond to operations at different levels of a layered system architecture. The ...
: This paper describes a system that helps HCI practitioners and researchers manage and conduct experiments involving context-sensitive handheld applications, particularly related ...
1 In the classic educational context, observing and identifying learner's emotional response allow the teacher to adapt the lesson, with the aim of improving the quality of th...
The main research in the area of image databases addresses the improvement of retrieval quality and the speedup of the query processing. A number of image retrieval systems reache...
: Modern security architectures tend to become more and more complex. Not only the chances to improve Web applications using several data channels and diverse (TCP-)ports are very ...
Ernst Georg Haffner, Uwe Roth, Andreas Heuer 0002,...