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A Brief Introduction to Metadata Specifications

A Brief Introduction to Metadata Specifications. Dr David Massart, EUN AgLRs – Budapest, Hungary Nov. 2, 2009. Learning Objects, Metadata, and Repositories. Metadata = Data about Data. In our context, metadata = machine-readable description of learning objects

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A Brief Introduction to Metadata Specifications

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  1. A Brief Introduction to Metadata Specifications Dr David Massart, EUN AgLRs – Budapest, Hungary Nov. 2, 2009

  2. Learning Objects, Metadata, and Repositories

  3. Metadata = Data about Data • In our context, metadata = machine-readable description of learning objects • Initially used with digital libraries (catalogue of digital resources) • Create indexes (catalogue search) • Evaluate search results

  4. Metadata Standards • Avoid reinventing the wheel • Interoperability (making digital resources globally discoverable) • Metadata standards and specifications • Dublin Core • IEEE Learning Object Metadata • ISO/IEC SC36/WG4

  5. Metadata Standards • Information model (semantic interoperability) • Concepts and scope • Relationships • Controlled vocabularies • Bindings (technical interoperability) • How to represent (encode) a description with a given technology • Example: The IEEE LOM information model and its XML binding

  6. Metadata Standards • Are (too) generic • Tend to cover all possible cases • Are often incomplete • Need to be profiled (i.e., customized) to the needs of a given community • Like a metadata standard, a metadata application profile consists of • A information model and • One or more bindings

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