extendable learning content language
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Extendable Learning Content Language
W. Bubenik, N. Juhnke
2© FU Berlin - CeDiS Bremen 22–23.04.2004
Outline
• FU- e-Learning and CeDiS• Requirements• Format Definition• Manufacturing Process
3© FU Berlin - CeDiS Bremen 22–23.04.2004
E-Learning at FU-Berlin
• Support Program of the FU- Steering Committee- production and use of e-learning material- 40 projects in 2003- 20 projects in 2004
• CeDiS- Competence Center for e-learning / multimedia- Coordination of Support Program
4© FU Berlin - CeDiS Bremen 22–23.04.2004
CeDiS
CeDiS: Projects and Services
Learning Net
New Statistics
New Economy
Projects Services
Consulting: Technology, Didactics
Media Production
Web Design
Campus wide Provider for LMS and CMS
Programming
NIUL
PETRO-graph
Gender-Online
SIBAWAIH
5© FU Berlin - CeDiS Bremen 22–23.04.2004
Requirements
• Modular and exchangeable contents
• Adaptable to project specific didactic structures• Extendable by new media and paragraph types• Stable core of document format
• No dependence on LMS/CMS and final representations
• Layout options for authors
6© FU Berlin - CeDiS Bremen 22–23.04.2004
Requirements
• Integration of multimedia elements• Alternative media for various client devices
• Open for external contents• Multi- language support (content, encoding)• Standard conformance (W3C, IMS, …)• Simple hierarchical structure
7© FU Berlin - CeDiS Bremen 22–23.04.2004
Format Definition: XML Technology
• XML- Schema- international standard- supports extendable document type definitions- control over creation and use of derived types
• “extension via restriction” - definition of project specific elements only as restrictions of abstract base elements
• XLink- one notation for all links and element relations
8© FU Berlin - CeDiS Bremen 22–23.04.2004
Format Definition: 3 Levels
Didactic Structureof Project 1
learning content description language (lcdl)document format for e-learning contents
Didactic Structureof Project 2
sharable content description language (scdl)abstract document format
9© FU Berlin - CeDiS Bremen 22–23.04.2004
Abstract Document Format: SCDL
sharable-content
sharable-content
metadata
content-block
media
text-values
resource
target
parameter-list
any-text
<html>…
</html>
element-relations
metadata
10© FU Berlin - CeDiS Bremen 22–23.04.2004
Format for e-Learning Documents: LCDL
course
chapter
chapter
module
component
component
component
title
media-text
paragraph
media-text
image-block
media-image
list
list-entry
media-text
index
index-item
11© FU Berlin - CeDiS Bremen 22–23.04.2004
Format for Example Project: New Statistics
course
chapter
module-NeStat
case-study
component
theory
title, paragraph, ...
title, paragraph, ...
example
title, paragraph, ...
title, paragraph, ...
12© FU Berlin - CeDiS Bremen 22–23.04.2004
Manufacturing Process
Audio, Video, Animation
Mediaproduction
Integration
LMS
HTML withIntegrated Media
Decomposingand Storing
Learning Module
Editor
Transform and publish (XSLT)
XML
Export
CMS for Cooperative Authoring
Repository
Compilation of Structured Content
13© FU Berlin - CeDiS Bremen 22–23.04.2004
Authoring: Learning Module Editor (LME)
Theory
Example
Exercise
Theory
Further study MaterialFurther study MaterialFurther Study Material
ExerciseTheoryXSchema
14© FU Berlin - CeDiS Bremen 22–23.04.2004
Repository and Course Assembly
Module 1
E
V
M T
Module 2
E
TM
Module 4
E
C
M T
Glossary Bibliogr.
G G
G BG B
B
Module 3
EC
STT
upload
XML
Media
HTML
publish
glossaryeditor
bibliographyeditor
edit edit
Course A Course B
upload
Course A
Module 1
E
V
M T
Module 2
E
TM
Module 4
E
C
M T
Glossary Bibliogr.
G G
G BG B
B
Module 3
EC
STT
Course B
Module 1
E
V
M T
Module 2
E
TM
Module 4
E
C
M T
Glossary Bibliogr.
G G
G BG B
B
Module 3
EC
STT
15© FU Berlin - CeDiS Bremen 22–23.04.2004
Open Issues
• Standardization• Authoring
- XML- Editors (xml-Spy, XMetal…) ?- word 2003 ?
• Repository and Content Management - “sharable content management language”- extend existing CMS ? - “do it yourself” (based on xml-DB) ?
16© FU Berlin - CeDiS Bremen 22–23.04.2004
Thank you for your attention!
Wolf Bubenik, Nadia Juhnke
CeDiSCompetence Center e-Learning and Multimedia
http://www.cedis.fu-berlin.de
wbubenik@cedis.fu-berlin.de
njuhnke@cedis.fu-berlin.de
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