Reflection Support Using Multi Encoded Tag Clouds

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    Notes on slide 1

    The second study addressed reflection on information management of web-resources using a personal tag cloud. This system is called ReScope. The tag-cloud shows keywords that a participant has assigned to interesting web-pages while adding them to the personal bookmarks. The size of each keyword shows how often this keyword has been totally applied. The color on some keywords informs the participant how often these keywords were recently used. In order to capture “reflection”, the participants were asked to write the reasoning about their tag cloud down.

    The design of the tag cloud is an attempt to model contextualized reflection support. From the underlying model reflections were expected to be related to the factors rhythm, value, and connections. After a 9 week period of public use of ReScope the analysis of the reflective notes basically confirmed the expectations. Besides the concept related factors value and connections , also an almost equal amount of reflections related to the rhythm factor was found. Furthermore, the reflections also seem equally referring to the reflection types planning , monitoring , and evaluating that were identified to be relevant for knowledge workers.

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    Reflection Support Using Multi Encoded Tag Clouds - Presentation Transcript

    1. Reflection support using multi-encoded tag-clouds Christian Glahn Marcus Specht & Rob Koper MUPPLE’09 Workshop Nice, 29 Sep 2009
    2. How to support meta-cognition in PLE?
    3. Where is the learning in personal learning environments? For those who don’t see the relation to mash-up’s
    4. ReScope Delicious.com + Note taking mash-up
    5. Reflection support for personal information management
      • Global tag usage
      • Bookmark feed
    6. Global tag usage = Relevance of concepts Font size
    7. Bookmark feed = Recently used concepts = Development of concepts Tag colour
    8. Multi-encoding contextualises tagging information
    9. Situated Learning and Context Lave, 1993 -> Wenger, 1998 ↓ Process Peers Event Partici­ pation Concept World Presence X X X Rhythm X X Interaction X X Involvement X Value X X X Connections X X X Personal Identity X Communal Identity X X Relations X Boundaries X X X Integration X X Community building X X X
    10. Does the reflection on the tag cloud confirm the contextual factors suggested by the framework?
    11. Evaluation
      • Design research study
        • Qualitative method
      • Delicious users from several communities
      • Voluntary participation
      • No participant was aware of the framework
      • Reflective notes
        • Analysis: model driven labelling
    12. Results
      • 76 registered
        • Official tag cloud is rarely used
      • 9 note taking participants
      • 35 reflection notes over a 9 weeks period
    13. Labelling results Reflection types Context factors Rhythm Value Connection Plan 2 5 3 Monitor 4 3 6 Evaluate 3 7 5
    14. Conclusions
      • Personal tag clouds can stimulate reflection on tagging activity.
      • Concepts of situated learning seem to be applicable for designing learning support in PLE.
      YES WE CAN!
    15. Thank you
      • Christian Glahn
      • CELSTEC
      • Open University of the Netherlands
      • christian DOT glahn AT ou DOT nl
      • More on tagging and tag-clouds on
      • http://www.slideshare.com/phish108

    + Christian GlahnChristian Glahn, 1 month ago

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    Presented at the MUPPLE'09 Workshop at ECTEL'09 Sep more

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