Linked Data : Cataloguing and a World Wide Web of Data
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Linked data :cataloguing and a world wide web of data
UCL Library Services Staff Conference 2014
11 July 2014
Thomas Meehan
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1. Use URIs as names for things
2. Use HTTP URIs so that people can look up those names.
3. When someone looks up a URI, provide useful information, using the standards (RDF, SPARQL)
4. Include links to other URIs so that they can discover more things.
Tim Berners-Lee (2006)
Linked Open Data
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Brideshead Revisited was written by Evelyn Waugh.
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Brideshead Revisited created by Evelyn Waugh
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RDF
<http://id.loc.gov/authorities/names/no97080492>
<http://purl.org/dc/terms/creator>
<http://id.loc.gov/authorities/names/n79049248> .
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RDF (Turtle)
@prefix lc_names: <http://id.loc.gov/authorities/names/> .
@prefix lc_languages: <http://id.loc.gov/vocabulary/languages> .
@prefix dc: <http://purl.org/dc/terms/> .
lc_names:no97080492 dc:creator lc_names:n79049248 ;
dc:created "1945" ;
dc:extent "1 volume" ;
dc:language lc_languages:eng ;
dc:title "Brideshead revisited" ;
dc:type <http://purl.org/dc/dcmitype/Text> .
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http://id.loc.gov/authorities/names/n79049248
vs
http://id.loc.gov/authorities/names/n79049248.html
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Linked Data in the Wild
BBC major events (e.g. World Cup)
Dbpedia
GeoNames
Ordnance Survey
Europeana
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Common Linked Data Vocabularies
RDFS (RDF Schema) – basic data modelling
OWL (Web Ontology Language) – ontologies
SKOS (Simple Knowledge Organization System) - thesauri
Dublin Core – cultural things
FOAF (Friend of a Friend) – people
GeoNames - places
GoodRelations – commercial things
Schema.org – anything, often embedded in web pages
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Schema.org model<http://www.worldcat.org/oclc/809168685> schema:creator <http://viaf.org/viaf/68937142> .
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Schema.org model<http://viaf.org/viaf/68937142> schema:name "Waugh, Evelyn, 1903-1966" .
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British Library model (used for the BNB)<http://bnb.data.bl.uk/doc/resource/015771460> dct:creator <http://bnb.data.bl.uk/id/person/WaughEvelyn1903-1966> .
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British Library model (used for the BNB)
<http://bnb.data.bl.uk/id/person/WaughEvelyn1903-1966> rdfs:label "Waugh, Evelyn, 1903-1966" ; owl:sameAs <http://viaf.org/viaf/68937142> .
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Library Linked Data in the Wild
Bibliothèque national de France
British National Bibliography
Cambridge University
European Library (includes RLUK data!)
Oslo Public Library
Swedish National Library
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Library Linked Data Vocabularies
Dublin Core (again)
BIBO
RDA
BNB Data Model
Europeana Data Model
Schema.org (including Bib Extend)
BIBFRAME
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Changes in Cataloguing
ISBD
|
AACR2
|
MARC
FRBR
|
RDA
|
MARC?
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Changes in Cataloguing
ISBD
|
AACR2
|
MARC
FRBR
|
RDA
|
BIBFRAME?
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BIBFRAME model
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BIBFRAME model<http://www.ucl.ac.uk/example/cat17450240> bf:creator <http://www.ucl.ac.uk/example/v68937412> .
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BIBFRAME model
<http://www.ucl.ac.uk/example/v68937412> bf:authorizedAccessPoint "Waugh, Evelyn, 1903-1966" ; bf:hasAuthority <http://id.loc.gov/authorities/names/n79049248> .
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Going from Wikipedia to a Catalogue Search
1. “Francis Bacon” (Wikipedia)
2. http://viaf.org/viaf/31992319 (VIAF)
3. “Bacon, Francis, 1561-1626” (LC Authorities)
4. UCL Explore search
1. “Francis Bacon (artist)” (Wikipedia)
2. http://viaf.org/viaf/14789843 (VIAF)
3. “Bacon, Francis, 1909-1992” (LC Authorities)
4. UCL Explore search
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University of Southampton Linked Open Data Map
http://opendatamap.ecs.soton.ac.uk/#
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ReferencesBartlett, Oliver. Linked Data: Connecting together the BBC's Online Content. 2013.
http://www.bbc.co.uk/blogs/internet/posts/Linked-Data-Connecting-together-the-BBCs-Online-Content
Berners-Lee, Tim., Linked Data: Design Issues. W3C, 2006.
http://www.w3.org/DesignIssues/LinkedData.html
Bibliothèque national de France. Semantic Web and Data Model.
http://data.bnf.fr/semanticweb
British Library. Free Data Services. Linked Open BNB.
http://www.bl.uk/bibliographic/datafree.html#lod
Dbpedia.
http://dbpedia.org/About
DCMI. DCMI Terms. 2014.
http://dublincore.org/documents/dcmi-terms/
The European Library. About The European Library datasets.
http://www.theeuropeanlibrary.org/tel4/access
Europeana. Linked Data.
http://pro.europeana.eu/linked-open-data
FOAF Project. FOAF Documentations.
http://www.foaf-project.org/docs
GeoNames.
http://www.geonames.org/about.html
GeoNames Ontology.
http://www.geonames.org/ontology/documentation.html
Hepp, Martin. GoodRelations: the Professional Web Vocabulary for E-Commerce.
http://www.heppnetz.de/projects/goodrelations/
Joint Steering Committee for Development of RDA (JSC). RDA Registry.
http://www.rdaregistry.info/
Kungliga biblioteket. LIBRIS-enheten. LIBRIS Available as Linked Data. 2008.
http://librisbloggen.kb.se/2008/12/03/libris-available-as-linked-data/
Library of Congress. BIBFRAME: Bibliographic Framework Initiative.
http://www.loc.gov/bibframe/
Library of Congress. LC Linked Data Service: Authorities and Vocabularies.
http://id.loc.gov/
Meehan, Thomas. Bookmarklet for searching catalogues from Wikipedia.
http://www.aurochs.org/aurlog/2013/03/25/bookmarklet-for-searching-catalogues-from-wikipedia/
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OCLC. VIAF (Virtual Online Authority File).
http://viaf.org/
OCLC. Worldcat.
https://www.worldcat.org/
Ordnance Survey. Ordnance Survey Linked Data Platform.
http://data.ordnancesurvey.co.uk/
Rekkavik, Asgeir. RDF Linked data cataloguing at Oslo Public Library. 2014.
http://digital.deichman.no/blog/2014/07/06/rdf-linked-data-cataloguing-at-oslo-public-library/
Schema.org. Schema.org.
https://schema.org/
Structured Dynamics. Bibliographic Ontology Specification. 2009.
http://bibliontology.com/
University of Cambridge. data.lib.cam.ac.uk.
http://data.lib.cam.ac.uk
University of Southampton. University of Southampton Linked Open Data Map.
http://opendatamap.ecs.soton.ac.uk/#
W3C. OWL 2 Web Ontology Language
Document Overview . 2nd Edition. 2012.
http://www.w3.org/TR/owl2-overview/
W3C. RDF Schema 1.1.
http://www.w3.org/TR/rdf-schema/
W3C. RDF Working Group. RDF: Semantic Web Standards..
http://www.w3.org/RDF/
W3C. SKOS Simple Knowledge Organization System.
http://www.w3.org/2004/02/skos/
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Linked data :cataloguing and a world wide web of data
UCL Library Services Staff Conference 2014
11 July 2014
Thomas Meehan