1. Metadata for TEL
erik duval & martin wolpers
K.U.Leuven & ARIADNE
http://www.cs.kuleuven.be/~erikd
1

2. 2

3. slogan warning!
http://www.kinkyangel.co.uk/

4. metadata?

5. 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 ...)?

6. what?
is it?

9. • data about data
• whatever that means
• also: “web of things”

10. • data about data
• whatever that means
• also: “web of things”
• LOM, DC, MPEG, ...
• vCard, dateTime, microformats, ...

11. • 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, ...

14. why?
do we need it?

15. Abundance
10

16. Abundance
10

17. Abundance
food
travel
music
media
...
10

18. Searchability
http://globe-info.org/
11

19. Open
Educational
Resources

20. 13

21. 13

22. 13

23. 13

24. 13

25. Open abundance
• standards based
• as A4, sewage, lightbulb, ...
• no lock-in
• plug-and-play
• platform for innovation

26. where?
does it come from?

27. Cool!
Who will enter the
metadata?
16

28. Librarian metadata doesn’t scale!
ARIADNE
17

29. Librarian metadata doesn’t scale!
electronic
ARIADNE
forms must
die!
17

30. context
18

31. context
18

32. context
18

33. http://ariadne.cs.kuleuven.be/amg/
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34. 20

35. AMG evaluation
21

36. AMG evaluation
• 22 reviewers for 20 learning objects
• 10 human generated (from Ariadne KPS)
• 10 automatically generated (Prolearn deliverables)
21

37. 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
21

38. AMG evaluation
• 22 reviewers for 20 learning objects
• 10 human generated (from Ariadne KPS)
no significant
• 10 automatically generated (Prolearn deliverables)
• 7 parameters
• Completeness
difference!
• Accuracy
• Provenance
• Conformance to expectations
• Logical consistency and coherence
• Timeliness
• accessibility
21

39. when?
do we produce/use it?
who?
produces it?

40. Better search?
23

41. Better search?
23

42. Better search?
23

43. Better search?
23

44. Better search?
electronic
forms must
die!
23

46. Google is so passé…
25

47. Google is so passé…
25

48. Google is so passé…
25

49. Google is so passé…
also:
Moodle
SidWeb
Dokeos
...
25

51. teachers
you used
last year

52. teachers
new since
last year
you used
last year

53. teachers
other
teachers
like you...
new since
last year
you used
last year

54. teachers
used in
this
context
other
teachers
like you...
new since
last year
you used
last year

55. teachers
also used
by...
used in
this
context
other
teachers
like you...
new since
last year
you used
last year

56. teachers learners
also used
by...
used in
this
context
other
teachers
like you...
new since
last year
your peers
you used
have done
last year this

57. teachers learners
also used
by...
used in
this
context
other
teachers
like you...
new since they
last year asked ...
your peers
you used
have done
last year this

58. teachers learners
also used
by...
used in
this
context
other who is
teachers doing this
like you... now?
new since they
last year asked ...
your peers
you used
have done
last year this

59. teachers learners
also used
by...
used in
learn
this
together?
context
other who is
teachers doing this
like you... now?
new since they
last year asked ...
your peers
you used
have done
last year this

60. teachers learners
thumbs
also used
up/down?
by...
used in
learn
this
together?
context
other who is
teachers doing this
like you... now?
new since they
last year asked ...
your peers
you used
have done
last year this

61. Open feedback
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62. Open feedback
Attention metadata
http://ariadne.cs.kuleuven.be/empirical/
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63. Open feedback
Attention metadata
http://ariadne.cs.kuleuven.be/empirical/
27

64. Open feedback
Attention metadata
http://ariadne.cs.kuleuven.be/empirical/
27

65. 1.Property
2.Mobility
3.Economy
ransparency
4.T
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66. Questions?
http://ariadne.cs.kuleuven.ac.be/
wordpress/eduval/
http://www.cs.kuleuven.be/~erikd
Thanks!
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