ICWL 2007, Edinburgh, Scotland


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Ralf Klamma & Marc Spaniol
RWTH Aachen University
Learning as a Service: A web-based learning framework for communities of professionals on the Web 2.0

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  • ICWL 2007, Edinburgh, Scotland

    1. 1. Learning as a Service: A Web-Based Learning Framework for Communities of Professionals on the Web 2.0 Ralf Klamma and Marc Spaniol Edinburgh, Scotland, 16 th of August 2007 ICWL 2007 The 6 th International Conference on Web-based Learning
    2. 2. Agenda <ul><li>Motivation </li></ul><ul><ul><li>Web 2.0 and Social Software </li></ul></ul><ul><ul><li>Communities of Practice </li></ul></ul><ul><li>LAS (Learning as a Service) </li></ul><ul><li>Virtual Campfire Framework </li></ul><ul><ul><li>MECCA (Movie E-learning Combination and Categorization Application) </li></ul></ul><ul><ul><li>MIST (Media Integrated Story-Telling) </li></ul></ul><ul><li>Conclusions and Outlook </li></ul>
    3. 3. Social Software Second Life 7 WOW 70 MySpace 171 Skype 120 MSN Space 11 LiveJournal 4 Wikipedia 3 Second Life Users (in Millions, by the end of 2006) Social Software <ul><li>Data is the Next Intel Inside -> Unique data </li></ul><ul><li>Users Add Value -> no restrictions, Inclusive </li></ul><ul><li>Network Effects by Default -> Collective Intelligence </li></ul><ul><li>Some Rights Reserved </li></ul><ul><li>-> Standards, Remix </li></ul><ul><li>The Perpetual Beta -> Smaller modular Components </li></ul><ul><li>Cooperate, Don't Control -> Light Web Services, Loose Syndication of data and systems (RSS, Mash-ups) </li></ul><ul><li>Software Above the Level of a Single Device </li></ul><ul><li>-> Software mobile and ubiquitous </li></ul><ul><li>The Long Tail -> Small Communities </li></ul>O‘Reilly: What is Web 2.0?, 2005
    4. 4. Social Software and Communities: The Long Tail & Fragmentation <ul><li>The Web is a scale free, fragmented network </li></ul><ul><ul><li>Power Laws (Pareto Distribution etc.) </li></ul></ul><ul><ul><li>95 % of users are in the long tail (Communities) </li></ul></ul><ul><ul><li>Collaboration and Learning is based on trust and passion </li></ul></ul>Islands Tendrils IN Continent Central Core OUT Continent Tubes Barabasi: Linked – The New Science of Networks, 2002 Anderson: The Long Tail: Why the Future of Business is Selling Less of More, 2006
    5. 5. Communities of practice <ul><li>Community of practice (CoP) as the basic concept for technology enhanced learning </li></ul><ul><li>Communities of practice are groups of people who share a concern or a passion for something they do and who interact regularly to learn how to do it better </li></ul><ul><li>Usability & Sociability </li></ul>Wenger: Communities of Practice: Learning, Meaning and Identity, 1998 Preece: Online Communities: Designing Usability, Supporting Sociability, 2000
    6. 6. TEL Challenges in Social Software <ul><li>Operational support for TEL not satisfying </li></ul><ul><ul><li>Mono-mediality </li></ul></ul><ul><ul><li>„ Sticky“ metadata </li></ul></ul><ul><ul><li>Interoperability only with APIs (Mash-ups) </li></ul></ul><ul><ul><li>Lacking learning semantics not feasible </li></ul></ul><ul><li>No reflective support for TEL </li></ul><ul><ul><li>„ Quality control by feet“ </li></ul></ul><ul><ul><li>Undefined social norms </li></ul></ul><ul><ul><li>Constitutive impact of media not understood </li></ul></ul>
    7. 7. Learning Support for CoP: Reflective Collaborative Learning Collaborative adaptive learning platforms Self-observation tools for Communities Measure, Analyses, Simulate Socio-technical information system Development Jarke, Klamma: Social Software and Reflective Information Systems, 2006 Klamma, Spaniol, Cao: MPEG-7 Compliant Community Hosting, JUKM, Springer 2006 M. Kalz, M. Specht, R. Klamma, M. A. Chatti, R. Koper: Kompetenzentwicklung in Lernnetzwerken für das lebenslange Lernen, 2007
    8. 8. LAS Learning As a Service <ul><li>Key Features : </li></ul><ul><li>- 3-Tier Architecture - Java based Implementation </li></ul><ul><li>- Connectors - Access Control on Service- and Object-Level </li></ul><ul><li>- Components (internal) - MPEG-7/21 compliant Multimedia-Services </li></ul><ul><li>- Services (internal & external) - Extension and Replacement of Services at Runtime </li></ul>I-Know 2006 [Spaniol et al.] ICWL 2007 [Spaniol et al.]
    9. 9. Virtual Campfire Framework <ul><li>Community Support </li></ul><ul><ul><li>Java Platform Independence </li></ul></ul><ul><ul><li>Easy to Maintain and Extend at Runtime </li></ul></ul><ul><ul><li>Core Services for Community-Administration </li></ul></ul><ul><ul><li>Fine-grained Access Control </li></ul></ul><ul><ul><ul><li>Method Level </li></ul></ul></ul><ul><ul><ul><li>Object Level </li></ul></ul></ul><ul><ul><ul><li>„ Security-First“-Concept </li></ul></ul></ul><ul><ul><li>Platform for Community-Hosting </li></ul></ul><ul><li>Multimedia Support </li></ul><ul><ul><li>Interoperable (Multimedia) Metadata </li></ul></ul><ul><ul><li>Cross-Community Support by MPEG-7/21 Compliance </li></ul></ul><ul><ul><li>Automatic Conversion to/from Dublin Core </li></ul></ul><ul><ul><li> Schema-compliant MPEG-7/21 Modifications via XMLBeans </li></ul></ul><ul><li> Better Community and Multimedia Support than comparable Application Server such as Tomcat or Zope/Plone </li></ul>
    10. 10. MECCA Movie E-learning Combination and Categorization Application <ul><li>- Exploration of Multimedia Artifacts </li></ul><ul><li>- Illustration of Multimedia Dependencies </li></ul><ul><li>- Creation of Reference Collections </li></ul><ul><li>- Comprehensive Discourse Support </li></ul><ul><li>- Blended Learning </li></ul><ul><li>- Media Screenings 24/7 via Internet </li></ul>Informing Science 2005: [Klamma et al.] ICWL 2005: [Spaniol et al.] Support of Film Study Communities in Research and Teaching by:
    11. 11. MIST Media Integrated Story-Telling <ul><li>- Exchange of Multimedia Artifacts </li></ul><ul><li>- Protection of geo-spatial Data of unauthorized access (e.g. Tomb Raiders) </li></ul><ul><li>- Recontextualization Multimedia Contents via non-linear Stories </li></ul><ul><li>- MPEG-7 based semantic Multimedia Annotations </li></ul>ICWL 2006: [Spaniol et al.] Knowledge Management Strategies 2007: [Spaniol et al.] Support of an International Community of Researchers in order to Preserve the Afghan Cultural Heritage by:
    12. 12. Conclusions <ul><li>Cross m ediality for collaborative learning platforms overcomes </li></ul><ul><ul><li>Mono mediality of Social Software </li></ul></ul><ul><ul><li>Linguistic fixation of the Semantic Web </li></ul></ul><ul><li>Semantic self organization of CoPs supported by </li></ul><ul><ul><li>Flexible semantic enrichment of complex processes in research, learning and working </li></ul></ul><ul><ul><li>Research of self observation processes of learning communities of experts </li></ul></ul><ul><li>Validation of the Concept accomplished by </li></ul><ul><ul><li>Interdisciplinary research cooperation supporting real world CoPs with diverse learning requirements </li></ul></ul><ul><ul><li>Implementation of the concept in ongoing courses </li></ul></ul>
    13. 13. Outlook <ul><li>Three major fields for innovative learning services </li></ul><ul><li>Community-specific multimedia semantics enhancement sevices </li></ul><ul><li>Anytime anywhere learning by reasoning about multiple community contexts </li></ul><ul><li>Interacting with smart maps by learning mash-ups </li></ul>