Extendable Learning Content Language

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


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


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


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


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


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


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


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


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


Format for Example Project: New Statistics

course

chapter

module-NeStat

case-study

component

theory

title, paragraph, ...


example




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


Authoring: Learning Module Editor (LME)

Theory

Example

Exercise

Theory

Further study MaterialFurther study MaterialFurther Study Material

ExerciseTheoryXSchema


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


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) ?


Thank you for your attention!

Wolf Bubenik, Nadia Juhnke

CeDiSCompetence Center e-Learning and Multimedia

http://www.cedis.fu-berlin.de

[email protected]

[email protected]