Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
How to Describe Multiple
Versions of the Same?
Frans Van Assche - Joris Klerkx - Erik Duval
How to Describe Multiple
Versions of the Same?
Frans Van Assche - Joris Klerkx - Erik Duval
DISCLAIMER
DISCLAIMER
3
HTTP://PORTAL.MACE-PROJECT.EU/        HTTP://LREFORSCHOOLS.EUN.ORG/




HTTP://PORTAL.ASPECT-PROJECT.ORG/          HTTP://...
166.637                               131.436

  HTTP://PORTAL.MACE-PROJECT.EU/        HTTP://LREFORSCHOOLS.EUN.ORG/




 ...
SEARCHABILITY




    HTTP://GLOBE-INFO.ORG/
                5
SEARCHABILITY




     >1.000.000
    HTTP://GLOBE-INFO.ORG/
                5
Key Technologies
Metadata (IEEE LTSC LOM)

  Descriptions of learning Resources

Harvesting (OAI-PMH)

  get data and copy...
Key Technologies
                                              1.GENERAL
Metadata (IEEE LTSC LOM)                      2.L...
Example LOM metadata




               7
Example LOM metadata




               7
Example LOM metadata




               7
Example LOM metadata




               7
Multiple Versions & Formats of 1
learning object




                                   !
Using basic section 7 -
“relation”
Using basic section 7 -
“relation”
describes relations between different learning
objects

  not “metadata”
Using basic section 7 -
“relation”
describes relations between different learning
objects
                                ...
Using basic section 7 -
“relation”
describes relations between different learning
objects
                                ...
Using basic section 7 -
“relation”
describes relations between different learning
objects
                                ...
Solutions (?)

IMS ILOX - “Information for learning object exchange”

Qualify location

Qualify location with an identifier...
FRBR: Functional Model for
Bibliographic Records


           ENGLISH




           DUTCH


                       !
IMS ILOX


 Implementation of the FRBR model

 Wrapper around IEEE LOM to add
 multiplicity of versions and formats
IMS ILOX


 Implementation of the FRBR model

 Wrapper around IEEE LOM to add
 multiplicity of versions and formats
IMS ILOX


 Implementation of the FRBR model

 Wrapper around IEEE LOM to add
 multiplicity of versions and formats




  ...
IMS ILOX


 Implementation of the FRBR model

 Wrapper around IEEE LOM to add
 multiplicity of versions and formats




  ...
Qualify location




                   !
Qualify location




                                        !

               QUALIFIED BY TUPLE <FACET, VALUE>
Resolve with Identifier Service




                             !
Resolve with Identifier Service


                                 cfr. HTTP “content negotiation” –
                      ...
Profile LOM section 4.3
technical.location
Profile LOM section 4.3
technical.location




    WHAT IF FOR EXAMPLE RIGHTS ARE
   DIFFERENT FOR DIFFERENT VERSIONS?
Recursive LOM-structure
                EACH LEVEL TAKES A SUBSET OF THE LOM

                LEVELS ARE RELATED TO EACH O...
Recursive LOM-structure
                EACH LEVEL TAKES A SUBSET OF THE LOM

                LEVELS ARE RELATED TO EACH O...
Recursive LOM-structure
                EACH LEVEL TAKES A SUBSET OF THE LOM

                LEVELS ARE RELATED TO EACH O...
Nested recursive LOM-structure




                                                      !

 PROFILE IN SECTION 3 OF LOM: ...
Profile section 3:
Meta-metadata
Profile section 3:
Meta-metadata
Profile section 3:
Meta-metadata
Profile section 3:
Meta-metadata
Profile section 3:
Meta-metadata
Summary
                            Expressive   Backwards     conceptual
                              power      compati...
Summary
                            Expressive   Backwards     conceptual
                              power      compati...
Summary
                              Expressive   Backwards     conceptual
                                power      com...
SEARCHABILITY




     >1.000.000
       SHARE & REUSE
                21
Visual Access




                22
Visual Access




                22
Multi-touch Access




    HTTP://PORTAL.MACE-PROJECT.EU/MAEVE/
                      23
Augmented Reality




 HTTP://SHARETEC.CELSTEC.ORG/GDDF/MACE_AR.MOV
                       24
More ?



  HTTP://ARIADNE.CS.KULEUVEN.BE/MORE/JORIS/
HTTP://WWW.ICOPER.ORG/ HTTP://ASPECT-PROJECT.ORG/ HTTP://WWW.ROLE-PROJECT.EU/ HTTP://WWW.STELLARNET.EU/




              ...
Edmedia 2010: How to describe multiple versions of the same
Upcoming SlideShare
Loading in …5
×

Edmedia 2010: How to describe multiple versions of the same

694 views

Published on

Presentation given at ed-media 2010

  • Be the first to comment

  • Be the first to like this

Edmedia 2010: How to describe multiple versions of the same

  1. 1. How to Describe Multiple Versions of the Same? Frans Van Assche - Joris Klerkx - Erik Duval
  2. 2. How to Describe Multiple Versions of the Same? Frans Van Assche - Joris Klerkx - Erik Duval
  3. 3. DISCLAIMER
  4. 4. DISCLAIMER
  5. 5. 3
  6. 6. HTTP://PORTAL.MACE-PROJECT.EU/ HTTP://LREFORSCHOOLS.EUN.ORG/ HTTP://PORTAL.ASPECT-PROJECT.ORG/ HTTP://WWW.ICOPER.ORG/ 4
  7. 7. 166.637 131.436 HTTP://PORTAL.MACE-PROJECT.EU/ HTTP://LREFORSCHOOLS.EUN.ORG/ 124.954 16.454 HTTP://PORTAL.ASPECT-PROJECT.ORG/ HTTP://WWW.ICOPER.ORG/ 4
  8. 8. SEARCHABILITY HTTP://GLOBE-INFO.ORG/ 5
  9. 9. SEARCHABILITY >1.000.000 HTTP://GLOBE-INFO.ORG/ 5
  10. 10. Key Technologies Metadata (IEEE LTSC LOM) Descriptions of learning Resources Harvesting (OAI-PMH) get data and copy locally Federated Search (SQI) distribute queries to remote repositories 6
  11. 11. Key Technologies 1.GENERAL Metadata (IEEE LTSC LOM) 2.LIFE CYCLE 3.META-METADATA Descriptions of learning Resources 4.TECHNICAL 5.EDUCATIONAL 6.RIGHTS Harvesting (OAI-PMH) 7.RELATION 8.ANNOTATION get data and copy locally 9.CLASSIFICATION Federated Search (SQI) distribute queries to remote repositories 6
  12. 12. Example LOM metadata 7
  13. 13. Example LOM metadata 7
  14. 14. Example LOM metadata 7
  15. 15. Example LOM metadata 7
  16. 16. Multiple Versions & Formats of 1 learning object !
  17. 17. Using basic section 7 - “relation”
  18. 18. Using basic section 7 - “relation” describes relations between different learning objects not “metadata”
  19. 19. Using basic section 7 - “relation” describes relations between different learning objects IS PART OF not “metadata”
  20. 20. Using basic section 7 - “relation” describes relations between different learning objects IS PART OF not “metadata” would lead to combinatorial explosion of relationships
  21. 21. Using basic section 7 - “relation” describes relations between different learning objects IS PART OF not “metadata” would lead to combinatorial explosion of relationships !
  22. 22. Solutions (?) IMS ILOX - “Information for learning object exchange” Qualify location Qualify location with an identifier service Create Recursive LOM instances
  23. 23. FRBR: Functional Model for Bibliographic Records ENGLISH DUTCH !
  24. 24. IMS ILOX Implementation of the FRBR model Wrapper around IEEE LOM to add multiplicity of versions and formats
  25. 25. IMS ILOX Implementation of the FRBR model Wrapper around IEEE LOM to add multiplicity of versions and formats
  26. 26. IMS ILOX Implementation of the FRBR model Wrapper around IEEE LOM to add multiplicity of versions and formats BACKWARDS COMPATIBILITY?
  27. 27. IMS ILOX Implementation of the FRBR model Wrapper around IEEE LOM to add multiplicity of versions and formats BACKWARDS COMPATIBILITY?
  28. 28. Qualify location !
  29. 29. Qualify location ! QUALIFIED BY TUPLE <FACET, VALUE>
  30. 30. Resolve with Identifier Service !
  31. 31. Resolve with Identifier Service cfr. HTTP “content negotiation” – mechanism. e.g. “Accept-Language: fr”
  32. 32. Profile LOM section 4.3 technical.location
  33. 33. Profile LOM section 4.3 technical.location WHAT IF FOR EXAMPLE RIGHTS ARE DIFFERENT FOR DIFFERENT VERSIONS?
  34. 34. Recursive LOM-structure EACH LEVEL TAKES A SUBSET OF THE LOM LEVELS ARE RELATED TO EACH OTHER WITH A NEW RELATION IN SECTION 7 OF THE LOM TECHNICAL.LOCATION IN THE LEAF NODES !
  35. 35. Recursive LOM-structure EACH LEVEL TAKES A SUBSET OF THE LOM LEVELS ARE RELATED TO EACH OTHER WITH A NEW RELATION IN SECTION 7 OF THE LOM TECHNICAL.LOCATION IN THE LEAF NODES !
  36. 36. Recursive LOM-structure EACH LEVEL TAKES A SUBSET OF THE LOM LEVELS ARE RELATED TO EACH OTHER WITH A NEW RELATION IN SECTION 7 OF THE LOM TECHNICAL.LOCATION IN THE LEAF NODES IMPLEMENTATION ISSUES? !
  37. 37. Nested recursive LOM-structure ! PROFILE IN SECTION 3 OF LOM: META-METADATA SECTION
  38. 38. Profile section 3: Meta-metadata
  39. 39. Profile section 3: Meta-metadata
  40. 40. Profile section 3: Meta-metadata
  41. 41. Profile section 3: Meta-metadata
  42. 42. Profile section 3: Meta-metadata
  43. 43. Summary Expressive Backwards conceptual power compatible cleanness Wrapper around LOM very good limited excellent very good to Qualify LOM location limited excellent excellent Recursive LOM (section 7) very good excellent good Recursive LOM (section 3) very good excellent excellent
  44. 44. Summary Expressive Backwards conceptual power compatible cleanness Wrapper around LOM very good limited excellent very good to Qualify LOM location limited excellent excellent Recursive LOM (section 7) very good excellent good Recursive LOM (section 3) very good excellent excellent
  45. 45. Summary Expressive Backwards conceptual power compatible cleanness Wrapper around LOM very good limited excellent very good to Qualify LOM location limited excellent excellent Recursive LOM (section 7) very good excellent good Recursive LOM (section 3) very good excellent excellent HTTP://ARIADNE.CS.KULEUVEN.BE/MEDIAWIKI2/INDEX.PHP/LOMWHATNEXT
  46. 46. SEARCHABILITY >1.000.000 SHARE & REUSE 21
  47. 47. Visual Access 22
  48. 48. Visual Access 22
  49. 49. Multi-touch Access HTTP://PORTAL.MACE-PROJECT.EU/MAEVE/ 23
  50. 50. Augmented Reality HTTP://SHARETEC.CELSTEC.ORG/GDDF/MACE_AR.MOV 24
  51. 51. More ? HTTP://ARIADNE.CS.KULEUVEN.BE/MORE/JORIS/
  52. 52. HTTP://WWW.ICOPER.ORG/ HTTP://ASPECT-PROJECT.ORG/ HTTP://WWW.ROLE-PROJECT.EU/ HTTP://WWW.STELLARNET.EU/ Thanks! Questions? HTTP://BTER.ME/O5L8 ARIADNE@CS.KULEUVEN.BE 26

×