standards, metadata, learning object repositories, portals dr charles duncan 3 april 2003
TRANSCRIPT
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Standards, Metadata, Learning Object Repositories, Portals
Dr Charles Duncanwww.intrallect.com
3 April 2003
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Agenda
Introduction
UK Organisations
Standards
Metadata and beyondLearning object repositories
Portals
Bringing it together
The future: learning design?
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Introduction
• Charles Duncan– Senior lecturer, Edinburgh University,
1980-2002– Project manager of many e-learning
projects 1985 – present, including EuroMET winner of European Academic Software Award 1998
– CETIS EC SIG co-chair 2000-2002– Co-founder and CEO, Intrallect, 2000 –
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Intrallect provides
• Solutions for Learning Object Management– Strategic consultancy– Software– Bespoke development and
customisation
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UK Organisations
• Schools – Primary (5-12)– Secondary (12-18)
• Further Education (FE) Colleges– Vocational (16 + )– “In work” Training
• Universities (Higher Education HE)
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Learning and Teaching bodies
• JISC1
– CETIS– RDN (Resource Discovery Network)– Regional Centres
• LTSN• ILTHE• HESDA (Cooke Report2)• BeCTA
– NLN• ALT (SURF)• Others
– UKOLN– UK-MEG
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CETIS
• Centre for Educational Technology Interoperability Standards– IMS, SCORM, CEN/ISSS, etc– News and email discussions– SIGS (coordinated)
• Metadata and digital repositories• Pedagogy• Accessibility• Assessment• Educational content
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Standards
• Why are standards needed?– Sharing – Reuse– Interoperability– Avoid proprietary systems– Promotes new activities (or does it?)
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IMS
StudentInstructor
Registry/Authority
Collected learning resources
Pedagogy
Competencies
Activities
Course
Delivery system
Dialogue
Tests/ assessment
Administration
Library
Vocabulary
METADATA
ENTERPRISE
QUESTION and TEST INTEROPERABILITY
SIMPLE SEQUENCING
DIGITALREPOSITORYINTEROPERABILITY
COMPETENCYDEFINITION
LEARNING DESIGN
LEARNERINFORMATIONPROFILES
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Other bodies
• ADL– SCORM
• IEEE – LTSC
• Learning Object Metadata (LOM)3
• CEN/ISSS– Internationalisation of LOM
• ISO and national standards bodies
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Metadata and Beyond
• IEEE Learning Object Metadata– First e-Learning standard
• Application profiles– CanCore, SingCore, UKCMF4
• Internationalisation– CEN/ISSS
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IEEE LOM
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Application profiles
• Mandatory and optional fields• Agreed vocabularies• Agreed use of indentifiers5
• Mapping educational levels6
• Common classification system• Minimise/exclude extensions
• What skills are needed for metadata creation?7
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Accessibility
AccessibleGUI
AlternativeUI
AccessibleMultimedia
KeyboardAccess
AccessibleLanguage AccessibilityNotes
EquivalentResource
FunctionalityMetadata
Magnifcation
ColourContrast
VisualReadability
AccessibleAlerts
TextContent
TextAccessibility
video
Transcription
Captioning
signing
VideoContent
audio
Transcription
Captioning
signing
AudioContent
images
Captions
ALT text
LongDesc
See notes fields formetadata vocabularies.
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Learning Object Repositories
• Networked storage of learning objects8
– To promote sharing and reuse– Learning object economy
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Digital Repositories are..
• Not portals…– Safe, organised, reliable storage
• Not libraries…– Not quite, but good analogy– Many people can put books on the
shelves• Not VLEs…
– No prescribed pedagogy– Interoperability through standards
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Digital Repository Interoperability
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Finding objects
Task
• Search • Gather• Alert • Browse
DR Response
• Expose– Object?– Metadata?– Selected
metadata?– Priority?
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Browse
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Requesting objects
Task
• Request– ID?– Unique?
DR Response
• Deliver– Raw– Streamed– Packaged– Metadata only?
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Publishing objects
Task
• Publish– Metadata?
• Deliver– From one
repository
DR Response
• Store– Metadata?
• Store– In another
repository
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Aggregator tool
Task
• Aggregate– Metadata?
DR Response
• Deliver– Update Metadata?
• Store aggregation
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preparing presentations
IMS Package
College VLE
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URL
URL
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Very useful lesson plan for geography field trips
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Roles
• Librarian• Contributor• Borrower• Casual user• Administrator• Software Agents
– Alert, search, browse, aggregate, deliver, harvest
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Some examples
• SeSDL: Scottish electronic Staff Development Library– http://www.sesdl.scotcit.ac.uk/
• MERLOT: US and Canada– http://www.merlot.org/
• intraLibrary: – http://www.intrallect.com/
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Positioning IntraLibrary
IntraLibrary is a Learning ObjectManagement System, which means it :
– is a strategic technology which underpins a mixed learning environment9
– improves the management of all learning assets
– leads to better quality teaching material with less effort
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Current Situation?
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Using a LOMS
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intraLibrary Demonstration
• http://www.intrallect.com/
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Portals
• One-stop shop?10
– How many? – People change their context
• Must be adaptable– by providers– by institutions– by individuals
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Resource Discovery Network
?
? ?
Humbul
EEVL
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SOSIG Example
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Bringing it together
• Key technologies11
– Z39.50 for searching– OAI PMH for exposing metadata– RSS for alerting– OpenURL for resolving “appropriate
copy”
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JISC Information Environment
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The future: Learning Design
• Ability to define learning activities12
• Capable of handling collaborative learning
• Design independent of implementation
• Ability to share and reuse designs
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MSG-CAL granularity
course Structure, size and duration of a course are totally determined by teachers
modulemodulemodule Largest part of MSG-CAL, about 45 minutes long,
complex navigation includes sequences and choices
modulemoduleunit-of-study Between 5 and 10 per module, includes specific
reference library, external URL and communications groups. Knowledge objects arranged linearly
modulemoduleknowledge-object Between 2 and 4 per unit of study. Equivalent to
a web page. Usually contains one interaction
modulemoduleresource Fundamental resources such as images,
animations and video.
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Interaction/ problem-solvingName Interaction
MCQ (multiple choice question)
Multiple choice question. The question, options and feedback may all include images. There can be many questions in a quiz or only one. More than one correct answer is allowable.
Matrix question Similar to a multiple choice question but there can be several choices such as true/false or visible/ir/wv.
Image hotspot Question in which the answer is given by clicking on an area in an image. Multiple correct and incorrect answers are possible. Multi-spectral images are supported through toggling images from one channel to the next.
Drag and drop Both text-based and image-based drag and drop exercises are possible. These require the student to correctly place objects in defined locations. Multiple correct locations are possible and mismatched numbers of draggable objects and drop locations are also possible. Useful for getting students to label diagrams or construct logical process sequences.
Animation Animate sequences of images with ability to play in single-step, loop or swing modes. Student can control play speed. Includes ability to play only every second image to simulate first generation Meteosat.
Slide show Sequences of images with extended captions with forward and backward paying under student control.
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Knowledge objects Units of study Modules
Creating new lessons
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Contact details
Charles [email protected]://www.intrallect.com/+44 (0)870 234 3933
Intrallect LtdBraehead Business ParkBraehead RoadLinlithgow EH49 6EPScotland
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References1 Acronym definitions, acronyms.doc
2 FINAL REPORT of the TQEC on the Future Needs and Support for Quality Enhancement of Learning and Teaching in Higher Education, Jan 2003, cooke_report.pdf
3 LOM (Learning Object Metadata), LOM_WD6_4.pdf
4 UK Common Metadata Framework, Draft X4L Application Profile, UKCMF_X4L_v0p2p2.doc
5 Identifiers for Learning Objects, a discussion paper from Intrallect, 4 Feb 2003, identifiers.doc
6 (Not) an Idiot’s Guide to Metadata, Charles Duncan, Lorna Campbell and Gerry Graham, submitted to ALT-C 2003, duncan-campbell-graham.doc
7 Quality Assurance for Digital Learning Object Repositories: The Power of Metadata, Sarah Currier, Jane Barton, submitted to ALT-C 2003, currier_bartron_03.doc
8 Digital Repositories: e-Learning for Everyone, Charles Duncan, eLearn International, Feb 2003, elearninternational_edin_feb2003.doc
9 The Value of Managing Learning Objects, Charles Duncan, Intrallect White Paper, Jan 2003, loms_value.pdf
10 JISC Information Environment Architecture, Baseline Portal Functional Specification, Andy Powell, Mar 2002, ie.html
11 The DNER Technical Architecture: scoping the information environment, Andy Powell, Liz Lyon, May 2001, dner-arch.pdf
12 The pedagogical and technological basis of 2nd generation e-learning in satellite meteorology, Charles Duncan, EUMETSAT Satellite Data Users Conference, Sept 2002, eml.doc