E-Learning on Social Semantic Information Sources

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    E-Learning on Social Semantic Information Sources - Presentation Transcript

    1. E-Learning on the Social Semantic Information Sources Sebastian Ryszard Kruk, Adam Gzella , Jarosław Dobrzański, Bill McDaniel and Tomasz Woroniecki adam.gzella @deri.org
    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. notitio.us
      • SSCF is now part of notitio.us – semantic discovery, browsing and sharing
        • Universal bookmarking system
      • Notitio.us 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.
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