Metadata for Technology Enhanced Learning

Metadata for TEL

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...

Searchability

11http://globe-info.org/

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