Linked Data at the Linked Data at the National Széchényi Library National Széchényi Library Ádám Ádám Horváth Horváth NSZL NSZL ELAG 2010 HELSINKI ELAG 2010 HELSINKI Lightning Talks Lightning Talks
Linked Data at the National Linked Data at the National Széchényi LibrarySzéchényi Library
ÁdámÁdám HorváthHorváth
NSZLNSZL
ELAG 2010 HELSINKIELAG 2010 HELSINKI Lightning Talks Lightning Talks
2 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
What is on the semantic web?What is on the semantic web?
Entire online catalogue and digital library in Entire online catalogue and digital library in RDFDC RDFDC
Name authority in FOAFName authority in FOAFSubject term thesaurus in SKOSSubject term thesaurus in SKOSGeographical name thesaurus in SKOSGeographical name thesaurus in SKOS
3 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
Serving our information as Linked Serving our information as Linked DataData
RDF databaseRDF database– JenaJena
SPARQL endpoint SPARQL endpoint – JoJosekiseki
http://setaria.oszk.hu/joseki/query.htmlhttp://setaria.oszk.hu/joseki/query.html
SSample queryample query
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>PREFIX skos: <http://www.w3.org/2004/02/skos/core#>SELECT ?s ?p ?oSELECT ?s ?p ?oWHERE {WHERE { ?s ?p ?o .?s ?p ?o . ?s skos:prefLabel "kutya"@hu .?s skos:prefLabel "kutya"@hu . }}
4 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
Providing useful informationProviding useful information
We always provide a human readable We always provide a human readable version to our RDF dataversion to our RDF data
5 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
DemonstrationDemonstration
Retrieving name authority dataRetrieving name authority data ( (Text/html is Text/html is requestedrequested))– The resource identifierThe resource identifier
http://http://nektar.oszk.hunektar.oszk.hu/resource/auth//resource/auth/3358933589
– An HTML page for human reading is given backAn HTML page for human reading is given back http://nektar.oszk.hu/auth/http://nektar.oszk.hu/auth/3358933589
6 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
The working modelThe working model : authority : authority
Thesaurus terms and geographical names Thesaurus terms and geographical names (SKOS)(SKOS)
Names (FOAF)Names (FOAF)
7 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
DemonstrationDemonstration
Retrieving name authority dataRetrieving name authority data ((application/rdf+xml is acceptedapplication/rdf+xml is accepted))– The resource identifierThe resource identifier
http://http://nektar.oszk.hunektar.oszk.hu/resource/auth//resource/auth/3358933589
– The RDF XML document is given backThe RDF XML document is given back http://nektar.oszk.hu/http://nektar.oszk.hu/datadata/auth//auth/3358933589
8 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
The working modelThe working model : authority : authority
Thesaurus terms and geographical names Thesaurus terms and geographical names (SKOS)(SKOS)
Names (FOAF)Names (FOAF)
9 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
Discovering our linked data on the Discovering our linked data on the webweb
HTML link auto-discoveryHTML link auto-discovery– In the header of our OPAC full view pagesIn the header of our OPAC full view pages– <link rel="meta" <link rel="meta"
type="application/rdf+xml" type="application/rdf+xml" title="RDF Version" title="RDF Version" href="http://nektar.oszk.hu/data/manifestation/2645471" />href="http://nektar.oszk.hu/data/manifestation/2645471" />
SitemapSitemap– Robots.txtRobots.txt
10 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
Discovering our linked data on the Discovering our linked data on the webweb
Links to NSZL resourcesLinks to NSZL resources– Link from Dublin Core to name authorityLink from Dublin Core to name authority
<dc:creator>Jókai Mór (1825-1904)</dc:creator><dc:creator>Jókai Mór (1825-1904)</dc:creator>
<dc:creator <dc:creator rdf:resource="http://nektar.oszk.hu/resource/auth/33589"/>rdf:resource="http://nektar.oszk.hu/resource/auth/33589"/>
11 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
Discovering our linked data on the Discovering our linked data on the webweb
Links to external resourcesLinks to external resources– Link from the authority record to DBpediaLink from the authority record to DBpedia
12 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
PlansPlans
Submitting our name authority to VIAFSubmitting our name authority to VIAFLinking VIAF Linking VIAF records torecords to our FOAF our FOAF recordsrecordsLinking our FOAF records to VIAFLinking our FOAF records to VIAF records recordsEnriching RDFDC with BIBO statementsEnriching RDFDC with BIBO statementsUsing linked data for frbrizationUsing linked data for frbrization
13 Linked Data at the National Széchényi Library - Ádám Horváth - NSZL
AcAcknowlknowleeddggmentment
We followed the LIBRIS solution as much as We followed the LIBRIS solution as much as possible to make the future cooperation as possible to make the future cooperation as easy as possibleeasy as possible
We learned how to publish linked data in an We learned how to publish linked data in an ELAG conferenceELAG conference
[email protected]@oszk.hu
Thank you Thank you for your attentionfor your attention