History-aware user awareness in web lectures

Autor(en): Ketterl, M.
Mertens, R.
Emden, J.
Vornberger, O. 
Stichwörter: Media objects; Open sources; Usage statistics; Video contents; WEB application; Web lectures; Web page, World Wide Web, Online systems
Erscheinungsdatum: 2010
Journal: Proceedings - 2010 IEEE International Symposium on Multimedia, ISM 2010
Startseite: 394
Seitenende: 399
Zusammenfassung: 
User awareness has become a popular feature in many social web applications. In classic text-based web-systems, user awareness features show how many users are online in a web application or how many users are accessing the same web page. When time based media like web lectures are concerned this approach comes to its limits since time-based media are inherently different from classic text-based media. The main difference in these two types of media is that text-based media can easily be skimmed at a glance while video- or audio-objects have to be fully replayed when users want to grasp their content. This paper presents an approach that employs time-based usage statistics for all users in a web lecture system in order to provide users with a means to communicate with other users who are online and have watched those parts of a media object that the user is interested in. The work is implemented in the context of the Opencast Matterhorn project - an open source based project for producing, managing and distributing academic video content. © 2010 IEEE.
Beschreibung: 
Conference of 2010 IEEE International Symposium on Multimedia, ISM 2010 ; Conference Date: 13 December 2010 Through 15 December 2010; Conference Code:83856
ISBN: 9780769542171
DOI: 10.1109/ISM.2010.65
Externe URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-79951767055&doi=10.1109%2fISM.2010.65&partnerID=40&md5=29464d15054abe86e87935c892c8046a

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