authoring of adaptive hypermedia dr. alexandra cristea [email protected] acristea
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Authoring of Adaptive Hypermedia
Dr. Alexandra [email protected]
http://www.dcs.warwick.ac.uk/~acristea/
Invited Tutorial, Madrid, Spain April 2008
Regular learning material
• Linear
• One story line
• Granularity doesn’t matter
• Reuse is no issue (normally)
• Book-like structure
Invited Tutorial, Madrid, Spain April 2008
Intelligent learning material
• Non-Linear
• Several story lines
• Granularity does matter
• Reuse is an issue
• Hypermedia-like structure
• so …
Invited Tutorial, Madrid, Spain April 2008
Authoring ILS, AHS
• content alternatives, : domain model• adaptation techniques & : adaptation model• whole user-description design : user model
• complicated heavy task => authors require help, guidelines & automation facilities.
• for AHS to spread widely => facilitate author work (Open Learning Repositories)
Invited Tutorial, Madrid, Spain April 2008
Authoring & standardization
• Formalization attempts: – standardising the whole procedure
• Research on a systematic base– clear explicit models for adaptive authoring
Invited Tutorial, Madrid, Spain April 2008
Authoring perspectives
• Conceptual view: defining concepts, interrelationships and resources.
• Navigational (goal) view: defining pages content and navigation behavior.
• Presentation view: defining presentation aspect like frame, frameset, and window.
Invited Tutorial, Madrid, Spain April 2008
Content alternatives (attributes) ex.
Concept
Title: Adaptive Hypermedia
Introduction: Adaptive Hypermedia deals with personalization and adaptation in hypertext and hypermedia.
Keywords: adaptive; hypermedia; hypertext; personalization
Conclusion: Adaptive Hypermedia deals with personalization and adaptation in hypertext and hypermedia.
Text: Adaptive Hypermedia is a special type of hypermedia that customizes the information that each user receives. Based on an interpretation of the user’s current needs, interests, goals, knowledge, etc., adaptive hypermedia systems provide the users with information ...
Invited Tutorial, Madrid, Spain April 2008
User model population (initialization) ex.
Concept1
Concept2
Concept3
Knowledge: 0
Knowledge: 10
Knowledge: 20
Interest: 50
Age group: 10 years
Learning style: unknown
overlay free
Invited Tutorial, Madrid, Spain April 2008
Presentation model population (initialization) ex.
Concept1
Concept2
Concept3
Color char: Red
Color char: Blue
Color char: Black
Page no.: 3
Min char size: 10 points
Screen resolution: 1024x768 pixels
overlay free
Connection: 56kbps modem
Invited Tutorial, Madrid, Spain April 2008
Adaptation techniques ex.
Concept1
Concept2
Concept3
prerequisite
prerequisit
e
Invited Tutorial, Madrid, Spain April 2008
Adaptive navigation & presentation
Invited Tutorial, Madrid, Spain April 2008
Adaptive navigation & presentation
Invited Tutorial, Madrid, Spain April 2008
Adaptive navigation & presentation
Invited Tutorial, Madrid, Spain April 2008
Adaptive navigation & presentation
Invited Tutorial, Madrid, Spain April 2008
Adaptive navigation & presentation
Invited Tutorial, Madrid, Spain April 2008
Adaptive navigation & presentation
Invited Tutorial, Madrid, Spain April 2008
Adaptive navigation & presentation
Invited Tutorial, Madrid, Spain April 2008
Adaptive navigation & presentation
Invited Tutorial, Madrid, Spain April 2008
Authoring Roles – regular LM
• Author performs all (or at least most of) the tasks required in creation of the learning material
Invited Tutorial, Madrid, Spain April 2008
Authoring Roles – intelligent LM
• Author could perform all (or at least most of) the tasks required in creation of the learning material
• Ideally, authoring roles would be applicable, depending on the specialization of the author– Domain– Adaptation mechanism– Meta-data– etc.
Invited Tutorial, Madrid, Spain April 2008
Conclusion authoring
• The tasks are divided
• The domain is restructured and divided
• A lot of new components emerge
• So we need a framework to describe this new structure