semantic mashup/linked data with topic maps and subj3ct.com
DESCRIPTION
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.TRANSCRIPT
Ravn Webveveriet, Networked Planet
Graham Moore, Networked Planet Reidar Bratsberg, Ravn Webveveriet
Semantic mashupGrep, NRK, Naturfag, Subj3ct
fredag 16. april 2010
W E B V E V E R I E T
Mission
• Present relevant educational videos from NRK at Naturfag.no, automatically
• Based on common connections with the curriculum (Grep)
fredag 16. april 2010
W E B V E V E R I E T
Subj3ct.com
• Store subject identifiers, with names and descriptions
• Store equivalence between identifiers
• Stores links to data that contains statements about the subject
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
Players
• The curriculum (“Grep”); identifiers
• The national broadcasting service, NRK, educational television (nrk.no/skole); videos
• Learning resources in science (naturfag.no)
• Subj3ct; glue
fredag 16. april 2010
W E B V E V E R I E T
Grep
• Official source for the curriculum is a topic map
• "Competence goals"
• PSIs: Published Subject Indicators
fredag 16. april 2010
W E B V E V E R I E T
NRK
• National Broadcasting Corporation
• Educational videos
• Recently launched nrk.no/skole
• Topic Maps based
• Grep"competence goals"
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
Naturfag.no
• Norwegian Center for Science Education
• Learning resources for teachers
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
"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 competence goal
http://psi.udir.no/7533d6f8-5ca7-42af-b7cc-fab4c1860a4d
The PSI
fredag 16. april 2010
W E B V E V E R I E T
Subj3ct.comIdentifer resolution service
Atom feeds
Subj3ct.com
Grepnrk.no/skole (naturfag.no)
http://psi.udir.no/7533d6f8-5ca7-42af-b7cc-fab4c1860a4d
fredag 16. april 2010
W E B V E V E R I E T
Atom feed
fredag 16. april 2010
W E B V E V E R I E T
Atom feed entry, example from NRK
fredag 16. april 2010
http://psi.udir.no/7533d6f8-5ca7-42af-b7cc-fab4c1860a4d
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
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
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
http://psi.udir.no/7533d6f8-5ca7-42af-b7cc-fab4c1860a4d
?
fredag 16. april 2010
W E B V E V E R I E T
Name, identifier, etc...[Representation, ...]
[Equivalence, ...]
fredag 16. april 2010
W E B V E V E R I E T
From Subj3ct (from JSON)
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
TM-frag
fredag 16. april 2010
W E B V E V E R I E T
Topic map fragment from NRK (JTM)
fredag 16. april 2010
W E B V E V E R I E T
Demo
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
fredag 16. april 2010
W E B V E V E R I E T
How easy was it?
• Time spent: 2 days
• Number of meetings: 1 conference call
• ~100 lines of code at Naturfag.no
fredag 16. april 2010
W E B V E V E R I E T
Summary
fredag 16. april 2010