Bedarfsgetriebener situativer Wissenserwerb mit Webressourcen

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Herausforderungen, nutzbareTechnologienund das
CROKODIL Projekt

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Bedarfsgetriebener situativer Wissenserwerb mit Webressourcen

  1. 1. Bedarfsgetriebener situativer Wissenserwerb mit Web- Ressourcen: Herausforderungen, nutzbare Technologien und das CROKODIL Projekt Suchstrategie Teilen festlegen Suchen Erschließen Selektieren httc – Hessian Telemedia Technology Competence-Center e.V - www.httc.de Annotieren Klassifizieren Persistieren KOM - Multimedia Communications Lab Prof. Dr.-Ing. Ralf Steinmetz (director) Dept. of Electrical Engineering and Information Technology Dept. of Computer Science (adjunct professor) TUD – Technische Universität Darmstadt Rundeturmstr. 10, D-64283 Darmstadt, GermanyDr.-Ing. Christoph Rensing Tel.+49 6151 166150, Fax. +49 6151 166152Christoph.Rensing@KOM.tu-darmstadt.de www.KOM.tu-darmstadt.de 27. Mai 2011© 2010 author(s) of these slides including research results from the KOM research network and TU Darmstadt. Otherwise it is specified at the respective slide
  2. 2. Motivation – Resource based LearningObjectivesTechnologies & Learning PlatformCROKODIL Project KOM – Multimedia Communications Lab 2
  3. 3. Instructional designed learningLearning process designed supported byand supported by a teacher Learning Management Systems … Lecture Exercise Presentation Work Test KOM – Multimedia Communications Lab 3
  4. 4. Collaborative Learning Learning process organized Supported byby learners with support of a tutor Groupware Tools Virtual Classroom Systems Learning Management Systems … Selection of Setup of Participants Groups Selection Sharing of Tools Documents collaborative Presentation Work Source: www.vitero.de KOM – Multimedia Communications Lab 4
  5. 5. Where do you search for information to prepare a talk about eddy current brakes?Where do you find information about how to fill a tax declaration?… Social (Web 2.0) WiKis Resources Blogs (eHow) Chats Picture Coll.Which kind of resources Bulletin/ (Flickr) do you find increasingly? Discussion Video Coll. Boards (You Tube)Sources: www.google.de www.bing.de KOM – Multimedia Communications Lab 5
  6. 6. ContentOpen Content of educational institutions Repositories Podcast Channels …User Generated Content Video Portals Slide Portals … Sources: www.youtube.com www.slidestar.de iTunes U KOM – Multimedia Communications Lab 6
  7. 7. ServicesCommunity driven Discussion Boards Wikis BlogsBusiness driven Facebook applications e.g. Sources: www.wehow,ehow.com www.facebook.com KOM – Multimedia Communications Lab 7
  8. 8. CommunitiesSocial Networks Establishment of contacts Setup of learning groups Definition of topics Exchange of information and experiences Use of different tools Source: www.mypaed.de KOM – Multimedia Communications Lab 8
  9. 9. Resource based learning Resources = Content + Services Resources are used by learners and knowledge workers for knowledge acquisition. Tasks: Search Strategy Execute Share Search Use Select Annotate Organize Persist KOM – Multimedia Communications Lab 9
  10. 10. Challenges of Resource Based LearningIn resource based learning the learning process Is self organized (in different graduations) Does not follow fixed didactic or organizational settingsChallenges Navigational disorientation „lost in hyperspace“ Conceptual disorientation Lack of integrating information in the own knowledge structure Cognitive Overload Finding information, analyzing found hits, organizing found information, …Challenges for Platforms and Pedagogy KOM – Multimedia Communications Lab 10
  11. 11. Self organizationInstructional Resource designed collaborative based Learning Learning Learning Lecture Selection of Setup of Participants Groups Exercise Search Strategy Execute Share Search Selection Sharing of Tools DocumentsPresentation Use Select collaborative Presentation Work Work Annotate Organize Persist Test Increasing self organization KOM – Multimedia Communications Lab 11
  12. 12. Motivation – Resource based LearningObjectivesTechnologies & Learning PlatformCROKODIL Project KOM – Multimedia Communications Lab 12
  13. 13. Tasks during resource based learning Expert Searches Search Machines Social Bookmarking Blogs, (Xing,…) (Google,…) (Del.icio.us,…) Twitter Link Lists Electronic Search Strategy (Yahoo,…)Communication Execute (e-Mail,…) Share Search Rating Systems (StumbleUpon,…) Use Select Editors (Wikis, Excel, Ranking Word,...) (Pagerank,…) Annotate Organize Persist Online Annotation Tools Tagging (Diigo,…) Browser Plug-ins Save as.. (Zotero,…) (hard disk,…) (Flickr, Del.icio.us,…) KOM – Multimedia Communications Lab 13
  14. 14. Overall Objective Search Strategy ExecuteUniversal support Share Search Learn Bag Use Select Annotate Organize PersistSupporting personal knowledge management Organizing information appropriately Saving specific additional information on the learners’ needsSupporting communication of knowledge Sharing knowledge Building networks between people KOM – Multimedia Communications Lab 14
  15. 15. Additional project goalsCombination of resource based learning with instructional designed and collaborative learning by systems integrationSupport of self organization in learning Methods and systems for development of competency in self organization Integrated in platform (by defining activities e.g.)Use and evaluation in professional training & further education in training institutions in companiesDevelopment of systems for recommendation of resources and learning partners KOM – Multimedia Communications Lab 15
  16. 16. Motivation – Resource based LearningObjectivesTechnologies & Learning PlatformCROKODIL Project KOM – Multimedia Communications Lab 16
  17. 17. Semantic TaggingConcept Basis Tag Types Topic Person expert in Berners Lee Activity Social Web about Location about Event searched for Type/Genre Scientific Article Based on semantic networks Deadline: July 09 Description: Writing 6 pages KOM – Multimedia Communications Lab 17
  18. 18. Utilization of different tag types KOM – Multimedia Communications Lab 18
  19. 19. Personal & Community Resource-Net (Typed) Tagging of resources TU Berlin Prepare Talk Lecture TUD Presenter related to Workshop Tag Prof Wind Script Topic to read Talk Wiki Tornado Paper Blizzard Location Photos Hurricane Person Avi Blog News eyewitness report Event 1 Metadata & Annotation 2 Semantic Tagging Activity Feedback 3 Sharing with a community KOM – Multimedia Communications Lab 19
  20. 20. Firefox AddOn to persist resources KOM – Multimedia Communications Lab 20
  21. 21. Tagging User support by Tag type detection Tag recommendation KOM – Multimedia Communications Lab 21
  22. 22. Evaluation (selected results) KOM – Multimedia Communications Lab 22
  23. 23. CROKODIL PlatformSupport of resource based learning by Resource-Net Management of resources Recommendation of resourcesSupport of self organization (hierarchical) definition of activities Assignment of resources to activities Capturing of learning episodesSharing within learning community by community net KOM – Multimedia Communications Lab 23
  24. 24. Features of Resource-NetSearching for existing resources own and of the community based on different tag typesPresentation of resources Using different representationsRecommendation of “relevant”resources KOM – Multimedia Communications Lab 24
  25. 25. Structural RecommendationRecommendation of resourcesbased on structure of the Resource-Net explicit relations between resources and tags Web 2.0 Life long learning E-Learning EC-TEL 2010 TEL tion Blog entry: Visualization of Recommenda Paper excerpt: Social Network Analysis Learning with Web 2.0 and Visualizations for Learning KOM – Multimedia Communications Lab 25
  26. 26. Challenge: non connected nets - islands TEL Life long learning Web 2.0 ? Paper excerpt: Web 2.0 for learning Blog entry: e-learning in Web 2.0 E-learning RecommendationRecommendation based on semantic similarity KOM – Multimedia Communications Lab 26
  27. 27. Recommendation based on semantic similarity WP WP WP WP WP WP Web 2.0 TEL Semantic Relatedness (XESA) Life long learning Paper excerpt: Social Network Analysis E-Learning Visualizations for Learning Recommendation and Blog entry: Visualization of Learning with Web 2.0Analysis of semantic similarity Pairwise comparision with Wikipedia articles Based on ESA Extension XESA for snippets including category graph KOM – Multimedia Communications Lab 27
  28. 28. Community-NetInformation about friend relationshipsJoining and management of learning groups KOM – Multimedia Communications Lab 28
  29. 29. Support of self organization Aktivitäten Welcher Aktivität ist die Aktivität untergeordnet? Welche Personen beschäftigen sich ebenfalls mit der Aktivität? Welche anderen Aktivitäten sind hierzu relevant? Ressourcen Welche Ressourcen sind erforderlich, um die Aktivität durchzuführen? Welche Personen verfügen über hilfreiche Ressourcen? Welcher Aktivität kann die Ressource sinnvoll zugeordnet werden? Erfahrungen Wie schwer war die Aufgabenstellung für mich zu lösen? Wer oder was half mir bei der Umsetzung? Welche Fähigkeiten und Kompetenzen konnte ich entwickeln? KOM – Multimedia Communications Lab 29
  30. 30. Support of self organization KOM – Multimedia Communications Lab 30
  31. 31. Motivation – Resource based LearningObjectivesTechnologies & Learning PlatformCROKODIL Project KOM – Multimedia Communications Lab 31
  32. 32. Integration CROKODIL CROKODIL FrontendLearning Management System Integration CROKODIL Portal & Netznavigation Persistierungs Plugin CROKODIL Controller Wissensnetz – Web Service API Service Feed / Service Mashup Human Resource Recommender Recommender Community Platforms Backend Adapter Widgets CROKODIL Ressourcennetz & CROKODIL Community-Netz Management Gruppen & Rechte Protocol Paul Internet Berlin TCP/IP WBT pdf Max Didactics Workshop html Internet Joe Symposium Wiki ppt Plug-In Blog E-Learning E-Learning Web 2.0 html Rom Video KOM – Multimedia Communications Lab 32
  33. 33. Consortium Scientific Partner Technology TU Darmstadt - KOM Scientific Partner Technology Leibniz Universität Hannover - L3S Scientific Partner Pedagogy Coordination &Projektmanagement TU Kaiserslautern – FG Pädagogik Application Partner Application Partner Technology Partner Semantics TU Darmstadt - KOM intelligent views gmbh Technology Partner Learning Applications imc AG KOM – Multimedia Communications Lab 33
  34. 34. FundingThis work is supported by funds from the German Federal Ministry of Education and Research under the mark 01 PF 08015 A and from the European Social Fund of the European Union (ESF). www.crokodil.de KOM – Multimedia Communications Lab 34
  35. 35. Involved and different bachelor and master students and Bastian Benz, Bernhard Schmitz (Psychology - TU Darmstadt) and Christian Bogner (Pedagogy – TU Kaiserslautern) KOM – Multimedia Communications Lab 35
  36. 36. Questions & Contact KOM – Multimedia Communications Lab 36

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