Semantic Mashup/linked data with Topic Maps and Subj3ct.com

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Presentation from Topic Maps 2010 in Oslo. Presented by Graham Moore and Reidar Bratsberg.

The presentation demos how we did a semantic mashup with NRK.no/skole (educational videos), Naturfag.no (learning resources in science education), Grep (the national curriculum) with the help of Topic Maps and Subj3ct.com.

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Semantic Mashup/linked data with Topic Maps and Subj3ct.com

  1. 1. Semantic mashup Grep, NRK, Naturfag, Subj3ct Graham Moore, Networked Planet Reidar Bratsberg, Ravn Webveveriet Ravn Webveveriet, Networked Planet fredag 16. april 2010
  2. 2. Mission • Present relevant educational videos from NRK at Naturfag.no, automatically • Based on common connections with the curriculum (Grep) W E B V E V E R I E T fredag 16. april 2010
  3. 3. Subj3ct.com • Store subject identifiers, with names and descriptions • Store equivalence between identifiers • Stores links to data that contains statements about the subject W E B V E V E R I E T fredag 16. april 2010
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  5. 5. Players • The curriculum (“Grep”); identifiers • The national broadcasting service, NRK, educational television (nrk.no/skole); videos • Learning resources in science (naturfag.no) • Subj3ct; glue W E B V E V E R I E T fredag 16. april 2010
  6. 6. Grep • Official source for the curriculum is a topic map • "Competence goals" • PSIs: Published Subject Indicators W E B V E V E R I E T fredag 16. april 2010
  7. 7. NRK • National Broadcasting Corporation • Educational videos • Recently launched nrk.no/skole • Topic Maps based • Grep"competence goals" W E B V E V E R I E T fredag 16. april 2010
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  13. 13. Naturfag.no • Norwegian Center for Science Education • Learning resources for teachers W E B V E V E R I E T fredag 16. april 2010
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  20. 20. The competence goal "gjøre rede for noen mulige konsekvenser av økt drivhuseffekt, blant annet i arktiske områder, og hvilke tiltak som settes i verk internasjonalt for å redusere økningen i drivhuseffekten" The PSI http://psi.udir.no/7533d6f8-5ca7-42af-b7cc-fab4c1860a4d fredag 16. april 2010
  21. 21. Subj3ct.com Identifer resolution service Atom feeds Subj3ct.com http://psi.udir.no/7533d6f8-5ca7-42af-b7cc-fab4c1860a4d nrk.no/skole Grep (naturfag.no) W E B V E V E R I E T fredag 16. april 2010
  22. 22. Atom feed W E B V E V E R I E T fredag 16. april 2010
  23. 23. Atom feed entry, example from NRK W E B V E V E R I E T fredag 16. april 2010
  24. 24. http://psi.udir.no/7533d6f8-5ca7-42af-b7cc-fab4c1860a4d fredag 16. april 2010
  25. 25. W E B V E V E R I E T fredag 16. april 2010
  26. 26. How to find related videos? • Ask Subj3ct for representation URIs for the given subject • Follow these URIs, and negotiate to find useful content • Use the result as we please W E B V E V E R I E T fredag 16. april 2010
  27. 27. W E B V E V E R I E T fredag 16. april 2010
  28. 28. http://psi.udir.no/7533d6f8- 5ca7-42af-b7cc-fab4c1860a4d ? W E B V E V E R I E T fredag 16. april 2010
  29. 29. Name, identifier, etc... [Representation, ...] [Equivalence, ...] W E B V E V E R I E T fredag 16. april 2010
  30. 30. From Subj3ct (from JSON) W E B V E V E R I E T fredag 16. april 2010
  31. 31. W E B V E V E R I E T fredag 16. april 2010
  32. 32. TM-frag W E B V E V E R I E T fredag 16. april 2010
  33. 33. Topic map fragment from NRK (JTM) W E B V E V E R I E T fredag 16. april 2010
  34. 34. Demo W E B V E V E R I E T fredag 16. april 2010
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  41. 41. How easy was it? • Time spent: 2 days • Number of meetings: 1 conference call • ~100 lines of code at Naturfag.no W E B V E V E R I E T fredag 16. april 2010
  42. 42. Summary W E B V E V E R I E T fredag 16. april 2010

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