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Ontopia Liferay integration demo
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Ontopia Liferay integration demo


A short introduction of the Ontopia/Liferay integration showing how it works and what it does.

A short introduction of the Ontopia/Liferay integration showing how it works and what it does.

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  • As you create content in Liferay, topics for that content is created in the topic map by the integration.The integration keeps the topic map in sync with Liferay, so that any changes in Liferay are immediately applied to the topic map.


  • 1. Ontopia/Liferay integration
    Lars Marius Garshol, <larsga@bouvet.no>
    Matthias Fischer, <matthias.fischer@fhtw-berlin.de>
  • 2. Agenda
    The integration: why and what
  • 3. Why and what
  • 4. Why integrate?
    Semantic technology
    Complex metadata
    Tools for conversion/manipulation/creation
    Very limited content support
    Users, permissions, ...
    Content features
    versioning, ...
    Very limited metadata support
    Content from Liferay,
    metadata from Ontopia
  • 5. How it works
    We want to describe Liferay content in Topic Maps
    In a topic map, everything is topics
    Therefore, we need topics for our Liferay content
    The integration creates this for us automatically
  • 6. Creating and annotating content
    A Liferay Tutorial
    A Liferay Tutorial
    Installing Liferay CE
    Installing Liferay CE
    Liferay, Inc.
    Liferay CE
    Liferay EE
  • 7. Portal front page
    Menu portlet
    Menu portlet
    Web content portlet
    Web content portlet
    Web content portlet
    Topic tree portlet
  • 8. Article display
    Menu portlet
    Menu portlet
    Web content portlet
    Related topics portlet
    Similar content portlet
  • 9. In short
    Create your content in Liferay
    Organize it in the topic map
  • 10. Current status
    Prototype integration built by Matthias Fischer
    needs some more work before it is complete
    Working now:
    synchronization of users and communities
    web content (with structures)
    wiki content (partly)
    some display portlet
  • 11. Demo
  • 12. Set up an ontology
    First import the Liferay ontology
    Then enrich it with an ontology for your domain
  • 13. Empty article display in Liferay
    Click to create article
  • 14. Write content, as usual
    Click save and continue
  • 15. Now you can tag from the topic map
    Select topics here. Which fields and topics
    are displayed is configurable in Ontopoly.
    (This is Ontopoly, embedded in Liferay.)
  • 16. Tagged
  • 17. The article topic
    The integration has created this topic for
    us and will keep it in sync as we make
    changes in Liferay.
  • 18. Article in Liferay
    Portlet showing the associations of the article topic.
    This is all the associations, but the portlet can be
    configured to hide certain association types.
    Then we click here ...
  • 19. Topic page in Liferay
    The page for the “Ontopia” topic. Kind of empty, because this
    demo is fairly primitive still. Could be populated with all kinds
    of things.
  • 20. Conclusion
    It’s still early days, but this should show that we now have the basics working
    Next step is to clean up, add a bit more functionality, and develop a better demo