Contenu connexe Similaire à Linked Data Progress - IFLA 2013 (20) Plus de Richard Wallis (20) Linked Data Progress - IFLA 20131. The world’s libraries. Connected.
Richard Wallis
Technology Evangelist
OCLC
@rjw
richard.wallis@oclc.org
IFLA - Singapore - 19th August 2013
#oclcld
Linked Data Progress
with OCLC and Others
OCLC Linked Data Round Table
7. The world’s libraries. Connected.
• 300+ Million resources
• Schema.org
• Embedded RDFa
• Links to: Dewey, LCSH LCNAF, DOI, VIAF, FAST, ...
• License: ODC-BY
• Experimental - June 2012
• Continuing development:
-Vocabulary,
Content-‐nego2a2on,
Links,
Works,
…
Linked Data
12. The world’s libraries. Connected.
Content-negotiation
HTML
+
RDFa
RDF/XML
<rdf:Description rdf:about="http://www.worldcat.org/oclc/52541937">
<rdfs:seeAlso rdf:resource="http://www.worldcat.org/isbn/9780789496270"/>
<schema:inLanguage>en</schema:inLanguage>
<schema:author rdf:resource="http://viaf.org/viaf/41848014"/>
<schema:description>A visual guide to the causes, battles, and forces of World War I.</schema:description>
<owl:sameAs rdf:resource="info:oclcnum/52541937"/>
<schema:about rdf:nodeID="A3"/>
<schema:bookEdition>1st American ed.</schema:bookEdition>
<schema:publisher rdf:nodeID="A1"/>
<library:oclcnum>52541937</library:oclcnum>
<library:placeOfPublication rdf:nodeID="A2"/>
<schema:about rdf:nodeID="A4"/>
<schema:genre>Pictorial works</schema:genre>
<schema:about rdf:resource="http://dewey.info/class/940.3/e22/"/>
<schema:numberOfPages>319</schema:numberOfPages>
<rdf:type rdf:resource="http://schema.org/Book"/>
<schema:name>World War I</schema:name>
<schema:datePublished>2003</schema:datePublished>
<schema:about rdf:nodeID="A0"/>
<schema:about rdf:resource="http://dewey.info/class/940.400222/e21/"/>
13. The world’s libraries. Connected.
Content-negotiation
HTML
+
RDFa
RDF/XML
Turtle
<rdf:Description rdf:about="http://www.worldcat.org/oclc/52541937">
<rdfs:seeAlso rdf:resource="http://www.worldcat.org/isbn/9780789496270"/>
<schema:inLanguage>en</schema:inLanguage>
<schema:author rdf:resource="http://viaf.org/viaf/41848014"/>
<schema:description>A visual guide to the causes, battles, and forces of World War I.</schema:description>
<owl:sameAs rdf:resource="info:oclcnum/52541937"/>
<schema:about rdf:nodeID="A3"/>
<schema:bookEdition>1st American ed.</schema:bookEdition>
<schema:publisher rdf:nodeID="A1"/>
<library:oclcnum>52541937</library:oclcnum>
<library:placeOfPublication rdf:nodeID="A2"/>
<schema:about rdf:nodeID="A4"/>
<schema:genre>Pictorial works</schema:genre>
<schema:about rdf:resource="http://dewey.info/class/940.3/e22/"/>
<schema:numberOfPages>319</schema:numberOfPages>
<rdf:type rdf:resource="http://schema.org/Book"/>
<schema:name>World War I</schema:name>
<schema:datePublished>2003</schema:datePublished>
<schema:about rdf:nodeID="A0"/>
<schema:about rdf:resource="http://dewey.info/class/940.400222/e21/"/>
<http://www.worldcat.org/oclc/52541937>
a schema:Book ;
rdfs:seeAlso <http://www.worldcat.org/isbn/0789496275> , <http://www.worldcat.org/
isbn/9780789496270> ;
library:oclcnum "52541937" ;
library:placeOfPublication
<http://id.loc.gov/vocabulary/countries/nyu> ;
library:placeOfPublication
[ a schema:Place ;
schema:name "New York"
] ;
schema:about <http://dewey.info/class/940.400222/e21/> , <http://dewey.info/class/
940.3/e22/> ;
schema:about
[ a schema:Organization ;
schema:name "World War (1914-1918)"
] ;
schema:about
[ a schema:Intangible ;
schema:name "World War, 1914-1918" ;
madsrdf:isIdentifiedByAuthority
<http://id.loc.gov/authorities/subjects/sh2008113839>
14. The world’s libraries. Connected.
Content-negotiation
HTML
+
RDFa
RDF/XML
Turtle
<rdf:Description rdf:about="http://www.worldcat.org/oclc/52541937">
<rdfs:seeAlso rdf:resource="http://www.worldcat.org/isbn/9780789496270"/>
<schema:inLanguage>en</schema:inLanguage>
<schema:author rdf:resource="http://viaf.org/viaf/41848014"/>
<schema:description>A visual guide to the causes, battles, and forces of World War I.</schema:description>
<owl:sameAs rdf:resource="info:oclcnum/52541937"/>
<schema:about rdf:nodeID="A3"/>
<schema:bookEdition>1st American ed.</schema:bookEdition>
<schema:publisher rdf:nodeID="A1"/>
<library:oclcnum>52541937</library:oclcnum>
<library:placeOfPublication rdf:nodeID="A2"/>
<schema:about rdf:nodeID="A4"/>
<schema:genre>Pictorial works</schema:genre>
<schema:about rdf:resource="http://dewey.info/class/940.3/e22/"/>
<schema:numberOfPages>319</schema:numberOfPages>
<rdf:type rdf:resource="http://schema.org/Book"/>
<schema:name>World War I</schema:name>
<schema:datePublished>2003</schema:datePublished>
<schema:about rdf:nodeID="A0"/>
<schema:about rdf:resource="http://dewey.info/class/940.400222/e21/"/>
<http://www.worldcat.org/oclc/52541937>
a schema:Book ;
rdfs:seeAlso <http://www.worldcat.org/isbn/0789496275> , <http://www.worldcat.org/
isbn/9780789496270> ;
library:oclcnum "52541937" ;
library:placeOfPublication
<http://id.loc.gov/vocabulary/countries/nyu> ;
library:placeOfPublication
[ a schema:Place ;
schema:name "New York"
] ;
schema:about <http://dewey.info/class/940.400222/e21/> , <http://dewey.info/class/
940.3/e22/> ;
schema:about
[ a schema:Organization ;
schema:name "World War (1914-1918)"
] ;
schema:about
[ a schema:Intangible ;
schema:name "World War, 1914-1918" ;
madsrdf:isIdentifiedByAuthority
<http://id.loc.gov/authorities/subjects/sh2008113839>
"name": {
"@value": "World War I",
"@language": ""
},
"seeAlso": ["http://www.worldcat.org/isbn/9780789496270", "http://www.worldcat.org/isbn/
0789496275"],
"numberOfPages": {
"@value": "319",
"@language": ""
},
"@id": "http://www.worldcat.org/oclc/52541937"
}, {
"source": "http://orhddb01dxdu.dev.oclc.org:9006/worldcat/52541937",
"created": {
"@value": "2003-06-23",
"@language": ""
},
"@type": "ContentTypeGenericResource",
"inDataset": "http://purl.oclc.org/dataset/WorldCat",
"about": "http://www.worldcat.org/oclc/52541937",
"@id": "http://www.worldcat.org/title/-/oclc/52541937"
JSON-LD
15. The world’s libraries. Connected.
Content-negotiation
HTML
+
RDFa
RDF/XML
Turtle
<rdf:Description rdf:about="http://www.worldcat.org/oclc/52541937">
<rdfs:seeAlso rdf:resource="http://www.worldcat.org/isbn/9780789496270"/>
<schema:inLanguage>en</schema:inLanguage>
<schema:author rdf:resource="http://viaf.org/viaf/41848014"/>
<schema:description>A visual guide to the causes, battles, and forces of World War I.</schema:description>
<owl:sameAs rdf:resource="info:oclcnum/52541937"/>
<schema:about rdf:nodeID="A3"/>
<schema:bookEdition>1st American ed.</schema:bookEdition>
<schema:publisher rdf:nodeID="A1"/>
<library:oclcnum>52541937</library:oclcnum>
<library:placeOfPublication rdf:nodeID="A2"/>
<schema:about rdf:nodeID="A4"/>
<schema:genre>Pictorial works</schema:genre>
<schema:about rdf:resource="http://dewey.info/class/940.3/e22/"/>
<schema:numberOfPages>319</schema:numberOfPages>
<rdf:type rdf:resource="http://schema.org/Book"/>
<schema:name>World War I</schema:name>
<schema:datePublished>2003</schema:datePublished>
<schema:about rdf:nodeID="A0"/>
<schema:about rdf:resource="http://dewey.info/class/940.400222/e21/"/>
<http://www.worldcat.org/oclc/52541937>
a schema:Book ;
rdfs:seeAlso <http://www.worldcat.org/isbn/0789496275> , <http://www.worldcat.org/
isbn/9780789496270> ;
library:oclcnum "52541937" ;
library:placeOfPublication
<http://id.loc.gov/vocabulary/countries/nyu> ;
library:placeOfPublication
[ a schema:Place ;
schema:name "New York"
] ;
schema:about <http://dewey.info/class/940.400222/e21/> , <http://dewey.info/class/
940.3/e22/> ;
schema:about
[ a schema:Organization ;
schema:name "World War (1914-1918)"
] ;
schema:about
[ a schema:Intangible ;
schema:name "World War, 1914-1918" ;
madsrdf:isIdentifiedByAuthority
<http://id.loc.gov/authorities/subjects/sh2008113839>
"name": {
"@value": "World War I",
"@language": ""
},
"seeAlso": ["http://www.worldcat.org/isbn/9780789496270", "http://www.worldcat.org/isbn/
0789496275"],
"numberOfPages": {
"@value": "319",
"@language": ""
},
"@id": "http://www.worldcat.org/oclc/52541937"
}, {
"source": "http://orhddb01dxdu.dev.oclc.org:9006/worldcat/52541937",
"created": {
"@value": "2003-06-23",
"@language": ""
},
"@type": "ContentTypeGenericResource",
"inDataset": "http://purl.oclc.org/dataset/WorldCat",
"about": "http://www.worldcat.org/oclc/52541937",
"@id": "http://www.worldcat.org/title/-/oclc/52541937"
JSON-LD
<http://www.worldcat.org/oclc/52541937> <http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://www.worldcat.org/isbn/
<http://www.worldcat.org/oclc/52541937> <http://schema.org/inLanguage> "en" .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/author> <http://viaf.org/viaf/41848014> .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/description> "A visual guide to the causes, battles, and f
<http://www.worldcat.org/oclc/52541937> <http://www.w3.org/2002/07/owl#sameAs> <info:oclcnum/52541937> .
<http://www.worldcat.org/oclc/52541937> <http://purl.org/library/placeOfPublication> _:AX2dX48284999X3aX1408f227891X3
<http://www.worldcat.org/oclc/52541937> <http://schema.org/about> _:AX2dX48284999X3aX1408f227891X3aXX2dX3cae .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/bookEdition> "1st American ed." .
<http://www.worldcat.org/oclc/52541937> <http://purl.org/library/oclcnum> "52541937" .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/about> _:AX2dX48284999X3aX1408f227891X3aXX2dX3cad .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/genre> "Pictorial works" .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/about> <http://dewey.info/class/940.3/e22/> .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/numberOfPages> "319" .
Triples
16. The world’s libraries. Connected.
Content-negotiation
HTML
+
RDFa
RDF/XML
Turtle
<rdf:Description rdf:about="http://www.worldcat.org/oclc/52541937">
<rdfs:seeAlso rdf:resource="http://www.worldcat.org/isbn/9780789496270"/>
<schema:inLanguage>en</schema:inLanguage>
<schema:author rdf:resource="http://viaf.org/viaf/41848014"/>
<schema:description>A visual guide to the causes, battles, and forces of World War I.</schema:description>
<owl:sameAs rdf:resource="info:oclcnum/52541937"/>
<schema:about rdf:nodeID="A3"/>
<schema:bookEdition>1st American ed.</schema:bookEdition>
<schema:publisher rdf:nodeID="A1"/>
<library:oclcnum>52541937</library:oclcnum>
<library:placeOfPublication rdf:nodeID="A2"/>
<schema:about rdf:nodeID="A4"/>
<schema:genre>Pictorial works</schema:genre>
<schema:about rdf:resource="http://dewey.info/class/940.3/e22/"/>
<schema:numberOfPages>319</schema:numberOfPages>
<rdf:type rdf:resource="http://schema.org/Book"/>
<schema:name>World War I</schema:name>
<schema:datePublished>2003</schema:datePublished>
<schema:about rdf:nodeID="A0"/>
<schema:about rdf:resource="http://dewey.info/class/940.400222/e21/"/>
<http://www.worldcat.org/oclc/52541937>
a schema:Book ;
rdfs:seeAlso <http://www.worldcat.org/isbn/0789496275> , <http://www.worldcat.org/
isbn/9780789496270> ;
library:oclcnum "52541937" ;
library:placeOfPublication
<http://id.loc.gov/vocabulary/countries/nyu> ;
library:placeOfPublication
[ a schema:Place ;
schema:name "New York"
] ;
schema:about <http://dewey.info/class/940.400222/e21/> , <http://dewey.info/class/
940.3/e22/> ;
schema:about
[ a schema:Organization ;
schema:name "World War (1914-1918)"
] ;
schema:about
[ a schema:Intangible ;
schema:name "World War, 1914-1918" ;
madsrdf:isIdentifiedByAuthority
<http://id.loc.gov/authorities/subjects/sh2008113839>
"name": {
"@value": "World War I",
"@language": ""
},
"seeAlso": ["http://www.worldcat.org/isbn/9780789496270", "http://www.worldcat.org/isbn/
0789496275"],
"numberOfPages": {
"@value": "319",
"@language": ""
},
"@id": "http://www.worldcat.org/oclc/52541937"
}, {
"source": "http://orhddb01dxdu.dev.oclc.org:9006/worldcat/52541937",
"created": {
"@value": "2003-06-23",
"@language": ""
},
"@type": "ContentTypeGenericResource",
"inDataset": "http://purl.oclc.org/dataset/WorldCat",
"about": "http://www.worldcat.org/oclc/52541937",
"@id": "http://www.worldcat.org/title/-/oclc/52541937"
JSON-LD
<http://www.worldcat.org/oclc/52541937> <http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://www.worldcat.org/isbn/
<http://www.worldcat.org/oclc/52541937> <http://schema.org/inLanguage> "en" .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/author> <http://viaf.org/viaf/41848014> .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/description> "A visual guide to the causes, battles, and f
<http://www.worldcat.org/oclc/52541937> <http://www.w3.org/2002/07/owl#sameAs> <info:oclcnum/52541937> .
<http://www.worldcat.org/oclc/52541937> <http://purl.org/library/placeOfPublication> _:AX2dX48284999X3aX1408f227891X3
<http://www.worldcat.org/oclc/52541937> <http://schema.org/about> _:AX2dX48284999X3aX1408f227891X3aXX2dX3cae .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/bookEdition> "1st American ed." .
<http://www.worldcat.org/oclc/52541937> <http://purl.org/library/oclcnum> "52541937" .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/about> _:AX2dX48284999X3aX1408f227891X3aXX2dX3cad .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/genre> "Pictorial works" .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/about> <http://dewey.info/class/940.3/e22/> .
<http://www.worldcat.org/oclc/52541937> <http://schema.org/numberOfPages> "319" .
Triples
http://www.worldcat.org/oclc/52541937.rdf
http://www.worldcat.org/oclc/52541937.ttl
http://www.worldcat.org/oclc/52541937.jsonld
http://www.worldcat.org/oclc/52541937.nt
23. • Google, Bing, Yahoo!, Yandex
• 7%-10% of crawled pages
• Good Relations Integration
• Medical, Learning Resources, TV/Radio
• Support for JSON-LD
• SameAs introduced
• Documentation improvements
25. BIBFRAME
• Gets a home: www.bibframe.org
• Primers, documentation, discussion
• Much activity on listserv
• Still early stages of entity based modeling
• Discussion documents:
- Annotations, authorities, resource types
• Use cases
27. • Established as data source for Wikipedia
• Shared across all language versions
• Respects differences of view
• Links between external resources
‣ VIAFbot - interconnecting authorities
• World’s knowledge graph?
30. The world’s libraries. Connected.
OCLC Heads-up
In the current context of linking and sharing of data
OCNs
31. The world’s libraries. Connected.
OCLC Heads-up
What is the status of an OCLC number?
In the current context of linking and sharing of data
OCNs
32. The world’s libraries. Connected.
OCLC Heads-up
What is the status of an OCLC number?
In the current context of linking and sharing of data
The OCLC record number (OCN) can be treated as if
it is in the public domain and can be included in any
data exposure mechanism or data exchange event
as public domain data.
OCNs
36. The world’s libraries. Connected.
OCLC Heads-up
Works
Work
Hardback Paperback eBook 2nd Edition
Linked Data
37. The world’s libraries. Connected.
OCLC Heads-up
Works
Work
Hardback Paperback eBook 2nd Edition
Linked Data
<http://www.worldcat.org/core/work/id/31233333>
Example:
38. The world’s libraries. Connected.
OCLC Heads-up
Works Linked Data
<http://www.worldcat.org/core/work/id/31233333>
39. The world’s libraries. Connected.
OCLC Heads-up
Works Linked Data
<http://www.worldcat.org/core/work/id/31233333>
40. The world’s libraries. Connected.
OCLC Heads-up
Works Linked Data
<http://www.worldcat.org/core/work/id/31233333>
41. The world’s libraries. Connected.
OCLC Heads-up
Works Linked Data
<http://www.worldcat.org/core/work/id/31233333>
<http://www.worldcat.org/core/work/id/31233333> a <http://purl.org/vocab/frbr/core#Work>,
schema:CreativeWork;
dc:isPartOf [ a <http://purl.org/ontology/bibo/Series>;
schema:name "Occasional paper (Hong Kong Institute of Asia-Pacific Studies) ;" ];
schema:about [ a schema:Intangible;
schema:name "Political parties -- Public opinion. -- Hong Kong" ],
[ a schema:Intangible;
schema:name "Hong Kong (China) -- Politics and government." ];
schema:author [ a schema:Person;
schema:name "Liu, Zhaojia." ];
schema:description "";
schema:inLanguage "eng";
schema:name "Public attitude toward political parties in Hong Kong";
skos:narrower <http://www.worldcat.org/oclc/29556612>,
<http://www.worldcat.org/oclc/647245064>,
<http://www.worldcat.org/oclc/654783642> .
42. The world’s libraries. Connected.
OCLC Heads-up
Works Linked Data
<http://www.worldcat.org/core/work/id/31233333>
43. The world’s libraries. Connected.
OCLC Heads-up
Works Linked Data
<http://www.worldcat.org/core/work/id/31233333>
• Experimental pre-release
• Only RDF/XML
• Preview access:
‣ http://experimental.worldcat.org/core/works/data/31233333:eng.rdf
• Vocabulary changes coming
• No lookup service yet
Current project state:
46. The world’s libraries. Connected.
OCLC Heads-up
WorldCat Registry Linked Data
• Linked Data for institutions
• Linked to by other entities
48. The world’s libraries. Connected.
Richard Wallis
Technology Evangelist
OCLC
@rjw
richard.wallis@oclc.org
IFLA - Singapore - 19th August 2013
Linked Data Progress
with OCLC and Others
OCLC Linked Data Round Table