Update on Work of Joint DCMI/IEEE LTSC Task Force
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Update on Work of Joint DCMI/IEEE LTSC Task Force

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A brief report on the work of the DCMI/IEEE Task Force on interoperability between the IEEE Learning Object Metadata standard and Dublin Core. ...

A brief report on the work of the DCMI/IEEE Task Force on interoperability between the IEEE Learning Object Metadata standard and Dublin Core.

Presentation given to meeting of JISC CETIS Metadata & Digital Repositories Special Interest Group, held in Manchester on 16 April 2007

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    Update on Work of Joint DCMI/IEEE LTSC Task Force Update on Work of Joint DCMI/IEEE LTSC Task Force Presentation Transcript

    • Update on work of Joint DCMI/IEEE LTSC Task Force JISC CETIS Metadata & Digital Repositories SIG meeting, Manchester
    • Abstract Models & Application Profiles
      • Implementers want to use component parts of different metadata standards in combination
      • Both DC and LOM have notions of “metadata application profile”…
      • … but based on different Abstract Models
      • DC Application Profile
        • how to use a set of identified properties, vocabulary encoding schemes, syntax encoding schemes to construct a DC metadata description set
      • LOM Application Profile
        • how to use a set of identified LOM data elements, datatypes, vocabularies to construct a LOM instance
      • LOM data elements and DC properties/classes can not be used in combination in same information structure
    • The proposed solution
      • Develop a LOM-DCAM mapping
        • “ LOM data elements” => “instances of DCAM components/constructs”
        • Interpretation of LOM semantics in terms of DCAM
      • Not a binding for LOM, but a translation
        • lossy in part
        • one-way translation
      • Approach
        • conceptualise LOM as Entity-Relationship model
          • build on earlier work for LOM RDF binding
        • represent E-R model in terms of DCAM constructs
        • specify required terms, assign URIs
    • LOM Conceptual Data Schema Dublin Core Abstract Model DC-RDF Instance DC-XML Instance conforms to conforms to bound to translate (lossy) bound to LOM Instance DC Description Set LOM-XML Instance DC Description Set Combined DC Description Set
    • Outcomes
      • View of LOM as a basic DC Application Profile
      • Availability of set of “LOM terms” which are usable in other DCAPs
      • Availability of RDF binding of LOM “for free” via DC RDF binding (mapping)
      • Separation of LOM-DCAM translation from RDF binding
      • Collaboration between communities
      • Contribution towards better alignment of DC and LOM abstract models?
    • Joint DCMI/IEEE LTSC Task Force
      • Initiated at DC2005 in Madrid, Sep 2005
      • Reports to DC Education Community & IEEE LTSC
      • Chairs: Mikael Nilsson & Jon Mason
      • Participation open to all:
        • mailing list (~20 subscribers), Wiki
      • Joint:
        • Collaborative work on drafts
        • Joint consensus
        • Co-publishing of results
      • Aim: an IEEE “Recommended Practice” and a DCMI “Recommendation”
    • Joint DCMI/IEEE LTSC Task Force
      • Charter approved by DCMI Advisory Board and IEEE LTSC SEC
      • Three initial outputs available for discussion:
        • Draft of LOM-DCAM mapping
          • includes description of DCAP
        • Example instance based on mapping
          • LOM XML
          • DC Text
        • Draft of required property/class/VES definitions
      • Currently awaiting
        • revisions to DCAM
        • revisions to definitions of DCMI terms
      • Recent activity within ProLearn project
        • Virtual seminars on Learning Objects, Metadata and Interoperability
    • Joint DCMI/IEEE LTSC Task Force
      • Joint DCMI/IEEE LTSC Task Force
      • http://dublincore.org/educationwiki/DCMIIEEELTSCTaskforce
      • ProLearn: Network of Excellence
      • http://www.prolearn-project.org/
      • (esp Research Work Package 4)
    • Update on work of Joint DCMI/IEEE LTSC Task Force CETIS Metadata & Digital Repositories SIG, UKOLN, Bath