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Bridging the Gap Between Time- and Structure-Based Navigation in Web Lectures
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Mertens, R., Brusilovsky, P., Vornberger, O. & Ishchenko, S. (2009). Bridging the Gap Between Time- and Structure-Based Navigation in Web Lectures. International Journal on E-Learning, 8(1), 89-105. Chesapeake, VA: AACE.
Retrieved from http://www.editlib.org/p/24461.
Journal Information
International Journal on E-Learning
ISSN 1537-2456
Volume 8, Issue 1, January 2009
Association for the Advancement of Computing in Education (AACE) Chesapeake, VA
More Information on IJEL
Authors
Abstract
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 currently played in the time-based media stream. Web lectures are thus composite media consisting of a structured presentation and a continuous media stream. Current navigation paradigms focus on either one of these components. Time-based overviews do, however, provide different contextual information than structural overviews and vice versa. Instead of enhancing either time- or structure-based navigation by establishing unidirectional connections to structure and time respectively, the approach presented in this article connects time- and structure-based navigation in a bidirectional fashion to combine the advantages of both navigation paradigms.
Keywords
- Information Sciences
- Educational Technology
- eLearning
- Human Computer Interaction
- Internet
- Multimedia
- Navigation
- Software
- Video
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