Authoring of Adaptive Hypermedia

Dr. Alexandra Cristeaa.i.cristea@warwick.ac.uk

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