Web-Based Learning Systems - Communication and Distributed

Web-Based Learning Systems:
A « document technology » approach
Dr Christine VANOIRBEEK
Swiss Federal Institute of Tehnology
Computer Science Dpt (LITH - MEDIA)
IN Ecublens
1015 Lausanne
[email protected]
OUTLINE
! E- learning?
! Benefits of a « document technology » approach
! Perspectives
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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E-LEARNING
Traditional learning vs e-learning?
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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E-LEARNING
! Access and share of multimedia digital data
! User interface
! Communication and collaboration
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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DOCUMENT TECHNOLOGY (Dealing with data on the Web)
Internet
Mpeg
OpenDoc
http
HTML
WAIS
DTD
XML
Jpeg
TIFF
TCP/IP
Ethernet
Intranet
XML-Schema
WWW
Servlet
Java
Corba
DSSSL
Smil
XSL
CSS
SQL
Postscript
Workflow
SGML
DBMS
PDF
XLink
XPointer
MathML
JDBC
SVG
JDBC
© 2000 C. Vanoirbeek, EPFL
HyTime
CML
EDI
Bern, 23.03.2001
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DOCUMENT TECHNOLOGY: MODELLING
Internet
Mpeg
OpenDoc
http
TIFF
Corba
SGML
XML-Schema
SQL
DSSSL
Smil
XSL
CSS
Postscript
DBMS
PDF
© 2000 C. Vanoirbeek, EPFL
DTD
XML
WWW
Servlet
Java
Workflow
HTML
WAIS
Jpeg
TCP/IP
Ethernet
Intranet
JDBC
Bern, 23.03.2001
JDBC
XLink
HyTime
XPointer
MathML
SVG
CML
EDI
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DOCUMENT TECHNOLOGY: RESTITUTION
Internet
Mpeg
OpenDoc
http
HTML
WAIS
DTD
XML
Jpeg
TIFF
TCP/IP
Ethernet
Intranet
XML-Schema
WWW
Servlet
Java
Corba
DSSSL
Smil
XSL
CSS
SQL
Postscript
Workflow
SGML
DBMS
PDF
XLink
XPointer
MathML
JDBC
SVG
JDBC
© 2000 C. Vanoirbeek, EPFL
HyTime
CML
EDI
Bern, 23.03.2001
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DOCUMENT TECHNOLOGY: HYPERTEXT
Internet
Mpeg
OpenDoc
http
TIFF
Corba
SGML
XML-Schema
SQL
DSSSL
Smil
XSL
CSS
Postscript
DBMS
PDF
© 2000 C. Vanoirbeek, EPFL
DTD
XML
WWW
Servlet
Java
Workflow
HTML
WAIS
Jpeg
TCP/IP
Ethernet
Intranet
JDBC
Bern, 23.03.2001
JDBC
XLink
HyTime
XPointer
MathML
SVG
CML
EDI
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DOCUMENT TECHNOLOGY: APPLICATION
Internet
Mpeg
OpenDoc
http
HTML
WAIS
DTD
XML
Jpeg
TIFF
TCP/IP
Ethernet
Intranet
XML-Schema
WWW
Servlet
Java
Corba
SQL
DSSSL
Smil
XSL
CSS
Postscript
Workflow
DBMS
PDF
SGML
JDBC
HyTime
XPointer
MathML
SVG
JDBC
© 2000 C. Vanoirbeek, EPFL
XLink
Bern, 23.03.2001
CML
EDI
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INTEROPERABILITY
Telelaboratory (Classroom 2000 project - SNF)
text
exercises
quiz
animation
measurement
www
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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INTEROPERABILITY
! Telelaboratory (user interface)
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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INTEROPERABILITY
ATM
ISD N
filte r
filte r
IP
X .2 5
filte r
FR
f il t e r
filte r
X M L g e n er a to r
XM L
W EB
P r o toc o l
A T M cell
V PI / VC I
PT 0
U n i v e r s a l u s e r in t e r f a c e ( A p p l e t )
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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INTEROPERABILITY
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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INTEROPERABILITY
! Benefit of document technology approach?
• Data flow = structured document
• Structuring vs programming?
! Dealing with one protocol more (ISDN, TCP-IP,…)
--> no modification in the program sources
! Platform independence
! Reuse of data within other applications
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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INTERACTION
Remote manipulation (eMersion project – FIT board)
Trial-and-error paradigm
...
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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INTERACTION
Cockpit Metaphor
Lab Journal
Lab Model
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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REUSABILITY
Knowledge
Knowledge Space
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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REUSABILITY
Flexible document fragments (OO design)
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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COLLABORATION
Production of documents (NICE project SNF/ERCIM)
Spatial metaphor
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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PERSPECTIVES
! Using mobile devices
•
One example: Acces to a program course
•
More about this topic
"
Summarization
"
….
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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PERSPECTIVES
! Modeling data to promote interoperability
•
Reusability
•
Interaction
•
Access (to multimedia data)
! Combining skills !
© 2000 C. Vanoirbeek, EPFL
Bern, 23.03.2001
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