Norbert Gerfelder

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The metaphor of a 'desktop' as a user interface was useful for the migration from mainframe applications to personal computers. But it must be re-evaluated when thinking about new concepts and implementations of user interfaces for modern working and home environments, especially mobile applications. The departure from tools that enable the user to directly(More)
In the context of multimedia and hypermedia systems, the aspect of including mobile links to a stationary infrastructure and the use of mobile data terminals are gaining increasingly in importance. The current advancements of hardware, software, and telecommunications technology allow multimedia systems to be implemented in mobile environments.(More)
The areas of television, telecommunication, and information technology are converging, new application areas are arising and new services are being established. Aside from the traditional delivery channels, computer networks play an increasing role in providing the new services. An important part of these services is based on video. However, in order to(More)
Multimedia applications, until now, were more or less based on stand-alone computer systems. In conjunction with the use of different delivery channels, these systems being distributed more frequently. The extended use of the Internet as well as the introduction of digital video delivery offer the opportunity to establish new services. Especially in this(More)
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