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E-Learning on Social Semantic Information Sources


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Presentation given at EC-TEL2007 Conference, Crete, Greece at 19th of September 2007.

Presentation given at EC-TEL2007 Conference, Crete, Greece at 19th of September 2007.

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  • Transcript

    • 1. E-Learning on the Social Semantic Information Sources Sebastian Ryszard Kruk, Adam Gzella , Jarosław Dobrzański, Bill McDaniel and Tomasz Woroniecki adam.gzella
    • 2. Outline
      • Problems and possible solutions
      • Introduction to SIOC, SSCF and JeromeDL
      • Our solution
      • Conclusions
    • 3. „ John’s problems” – motivation scenario
      • John - teacher in a distant course
      • Each lecture assisted with reading material
        • Should be distributed week before lecture
      • John wants to check if students read and understand
      • Gathered knowledge passed to the next year’s course.
      • He wants to utilise the power of Web/Web2.0 - most materials from:
        • University library
        • Wikipedia
        • Online sources (like blogs)
    • 4. John’s solution
      • Decide to use:
        • Web/Web2.0 potential
        • Bookmarks sharing tool
        • Blog platform
    • 5. Is there a better way?
      • Solution needs to be interoperable and universal
      Social Semantic Information Sources
    • 6. SIOC – connecting online communities
      • Simple but powerful
      • SIOC ontology – describes community metadata
      • Can be used for blogs, wikis and foras
      • Allows to:
        • Cross-site queries
        • Topic related searches
        • Importing data from other sites
        • ... and many other
    • 7. Sharing knowledge in community with SSCF
      • SSCF – Social Semantic Collaborative Filtering
      • Gathering knowledge as a bookmarks
      • Bookmarks can be easily shared with friends
      • Users use friends bookmarks (possible domain expert)
      • Directories are well (semanticaly) described with wordNet and taxonomies
      • Fine grained access rights.
    • 8. Sharing knowledge in community with SSCF
    • 9. SSCF and SIOC
      • SSCF supports SIOC data
      • User can bookmarks blogs post or even whole blogs
      • SIOC bookmarks are treated as standard SSCF resource.
    • 10. JeromeDL – Semantic Digital Library
      • Semantic Digital Library
        • Digital Library with reach semantic annotations.
        • Advanced semantic search features.
    • 11. JeromeDL – Social Semantic Digital Library
      • Social Semantic Digital Library
      • community oriented:
        • Enriched with SSCF.
          • Each user maintains private bookshelf with bookmarks to bibliographic resources
        • Allows to the community to create knowledge (SIOC integration)
          • Each book becomes a blog entry which can be commented
          • Data is exposed in SIOC format.
    • 12. Our solution
      • One tool that solves all the John’s problems
    • 13. How it works for John
      • Bookmarking interesting content and sharing it with students in right order.
      • Students sharing with each other
      • Students build new knowledge in JeromeDL
      • All the experience is available for next year students
    • 14. What is happening JeromeDL creating knowledge SSCF sharing knowledge SIOC Exposing book comments In SIOC Support for SIOC enabled information
    • 15. Ontology mapping
      • SIOC with JeromeDL and SSCF:
        • Support for SIOC ontology – RDF level.
        • Ontology alignment
    • 16. Time evaluation
      • JeromeDL is much more efficient than 3 separate applications (digital library, blog engine, bookmarks sharing engine)
    • 17.
      • SSCF is now part of – semantic discovery, browsing and sharing
        • Universal bookmarking system
      • is equipped with Informal Knowledge Harvester
        • Transforms informal knowledge into LOM and other formats.
    • 18. Conclusions
      • Social Semantic Information Sources – JeromeDL and SSCF:
        • Utilise Web 2.0 and Semantic Web potential
        • Can be very helpful in modern, web oriented e-Learning.