NDLI: Mediators for integrating content into service-based e-learning environments

Content Provider	IEEE Xplore Digital Library
Author	Vossen, G. Westerkamp, P.
Copyright Year	2005
Description	Author affiliation: Eur. Res. Center for Inf. Syst., Munster Univ., Germany (Vossen, G.; Westerkamp, P.)
Abstract	The provision of e-learning content through the emerging paradigm of Web services leads to a number of advantages over traditional, centralized e-learning platforms which store learning objects in their own database. This is on the one hand the timeliness of content since it is stored on remote machines and called on demand only. Decentralized storage makes content improvements readily available for all learners. On the other hand, content is now available for a larger group of users since it is no longer stored in closed platforms. However, the composition of content into courses needs new strategies, as content cannot simply be copied and assembled to packaging interchange files (PIF) as specified by IMS and SCORM. In this paper, we show different ways how a mediator can offer courses that are based on the Web services paradigm. In particular, we describe how a repository in a distributed architecture can be enhanced to provide added value for learners, by offering courses built from content services that are available on the Web.
Starting Page	580
Ending Page	584
File Size	95135
Page Count	5
File Format	PDF
ISBN	0769523382
DOI	10.1109/ICALT.2005.196
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-05
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electronic learning Web services Web and internet services Simple object access protocol Information systems Databases Assembly Packaging Service oriented architecture Application software E-Learning Learning Objects Web Services
Content Type	Text
Resource Type	Article

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