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Author=Oliver Vornberger

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Hypermedia Navigation Concepts for Lecture Recordings
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (ELEARN) 2004:1 , 2004

Robert Mertens, Virtual Teaching Support Center, University of Osnabrück, Germany; Holger Schneider, Library Information System, University of Oldenburg, Germany; Olaf Müller & Oliver Vornberger, Dept. of Computer Science, University of Osnabrück, Germany

This paper introduces a complete hypermedia navigation concept for lecture recordings, along with virtPresenter, a prototype software tool for automatic generation of hypermedia user interfaces for lecture recordings. A special focus is on how...

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Studying with Mobile Devices: Workflow and Tools for Automatic Content Distribution
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2006:1 , June 2006

Markus Ketterl, University of Applied Sciences Osnabrueck, Germany; Robert Mertens, University Osnabrueck, Germany; Karsten Morisse, University of Applied Sciences Osnabrueck, Germany; Oliver Vornberger, University Osnabrueck, Germany

Recordings of lectures are a cost-efficient and easy-to-use way to produce e-learning content. In a university context with tight financial constraints they can only be used if the production process is automated to a high degree and a manual...

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Time and Structure Based Navigation in Web Lectures: Bridging a Dual Media Gap
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (ELEARN) 2006:1 , October 2006

Robert Mertens, Virtual Teaching Support Center (VirtUOS), University of Osnabrück, Germany; Peter Brusilovsky, School of Information Sciences, University of Pittsburgh, USA; Sergey Ishchenko, Virtual Teaching Support Center (VirtUOS), University of Osnabrück, Germany; Oliver Vornberger, Dept. of Computer Science, University of Osnabrück, Germany

Typical web lectures consist of two different kinds of media linked together, an audio- or video-recording and the corresponding slides or desktop recording. Both media are synchronized so that the slide or image shown corresponds to the position...

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Bridging the Gap Between Time- and Structure-Based Navigation in Web Lectures
International Journal on E-Learning (IJEL) 8:1 , January 2009

Robert Mertens, Fraunhofer IAIS, Germany; Peter Brusilovsky, University of Pittsburgh, USA; Oliver Vornberger & Sergey Ishchenko, University of Osnabrück, Germany

Typical web lectures consist of two different kinds of media linked together: an audio- or video-recording and the corresponding slides or desktop recording. Both media are synchronized so that the slide or image shown corresponds to the position...

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Abstracts

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