Petra Korica-Pehserl

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With the rapid penetration of the Web into all areas of society there is also an increasing number of warning voices that the Web is endangering creative work: it encourages plagiarism, the spreading of half-truths, causes loss of memorizing ability, reduces the ability to read complex matters, provides so many distractions that prevent coherent thinking,(More)
As has been explained in the paper " A Survey of Communications and Collaborative Web Technologies " in this special issue the web started as a more or less one-way information system, allowing engineers at CERN to share new results in physics worldwide easily. As it developed, it became more and more a two-way (or more precisely a multi-way) communication(More)
Digitized fact books are valuable sources of knowledge. Full-text search is a powerful tool to access such knowledge. However, it often delivers too many results for general queries. Therefore we propose an approach to find relevant data by extracting metadata relevant for each page and allow to search for pages on the basis of their metadata as alternative(More)
The ability to detect and recognize individuals is essential for an autonomous robot interacting with humans even if computational resources are usually rather limited. In general a small user group can be assumed for interaction. The robot has to distinguish between multiple users and further on between known and unknown persons. For solving this problem(More)
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