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erik duval & martin wolpersK.U.Leuven & ARIADNE
http://www.cs.kuleuven.be/~erikd 1
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slogan warning!
http://www.kinkyangel.co.uk/
metadata?
metadata?
• what (the heck is it)?
• why (do we need it)?
• where (does it come from)?
• when (do we produce/use it)?
• who (produces it)?
• how (... whatever ...)?
what?is it?
• data about data
• whatever that means
• also: “web of things”
• data about data
• whatever that means
• also: “web of things”
• LOM, DC, MPEG, ...
• vCard, dateTime, microformats, ...
• data about data
• whatever that means
• also: “web of things”
• LOM, DC, MPEG, ...
• vCard, dateTime, microformats, ...
• one man’s data is another man’s metadata
• meta-metadata
• title, chapter, abstract, references, ...
why?do we need it?
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Abundance
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Abundance
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Abundance
foodtravelmusicmedia...
OpenEducationalResources
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Open abundance
• standards based
• as A4, sewage, lightbulb, ...
• no lock-in
• plug-and-play
• platform for innovation
where?does it come from?
Cool!Who will enter the
metadata?
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Librarian metadata doesn’t scale!
ARIADNE
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Librarian metadata doesn’t scale!
ARIADNE
electronic forms must
die!
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context
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context
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context
http://ariadne.cs.kuleuven.be/amg/ 19
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AMG evaluation
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AMG evaluation• 22 reviewers for 20 learning objects
• 10 human generated (from Ariadne KPS)
• 10 automatically generated (Prolearn deliverables)
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AMG evaluation• 22 reviewers for 20 learning objects
• 10 human generated (from Ariadne KPS)
• 10 automatically generated (Prolearn deliverables)
• 7 parameters
• Completeness
• Accuracy
• Provenance
• Conformance to expectations
• Logical consistency and coherence
• Timeliness
• accessibility
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AMG evaluation• 22 reviewers for 20 learning objects
• 10 human generated (from Ariadne KPS)
• 10 automatically generated (Prolearn deliverables)
• 7 parameters
• Completeness
• Accuracy
• Provenance
• Conformance to expectations
• Logical consistency and coherence
• Timeliness
• accessibility
no significant difference!
when?do we produce/use it?
who?produces it?
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Better search?
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Better search?
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Better search?
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Better search?
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Better search?
electronic forms must
die!
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Google is so passé…
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Google is so passé…
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Google is so passé…
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Google is so passé…
also:MoodleSidWebDokeos
...
you used last year
teachers
you used last year
new since last year
teachers
you used last year
new since last year
other teachers like you...
teachers
you used last year
new since last year
other teachers like you...
used in this
context
teachers
you used last year
new since last year
other teachers like you...
used in this
context
also used by...
teachers
you used last year
new since last year
other teachers like you...
used in this
context
also used by...
your peers have done
this
teachers learners
you used last year
new since last year
other teachers like you...
used in this
context
also used by...
your peers have done
this
they asked ...
teachers learners
you used last year
new since last year
other teachers like you...
used in this
context
also used by...
your peers have done
this
they asked ...
who is doing this
now?
teachers learners
you used last year
new since last year
other teachers like you...
used in this
context
also used by...
your peers have done
this
they asked ...
who is doing this
now?
learn together?
teachers learners
you used last year
new since last year
other teachers like you...
used in this
context
also used by...
your peers have done
this
they asked ...
who is doing this
now?
learn together?
thumbs up/down?
teachers learners
Open feedback
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Open feedback
http://ariadne.cs.kuleuven.be/empirical/ Attention metadata
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Open feedback
http://ariadne.cs.kuleuven.be/empirical/ Attention metadata
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Open feedback
http://ariadne.cs.kuleuven.be/empirical/ Attention metadata
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1.Property2.Mobility3.Economy4.Transparency
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Thanks!
Questions?http://ariadne.cs.kuleuven.ac.be/
wordpress/eduval/http://www.cs.kuleuven.be/~erikd
