Short presentation to the OCLC Linked Data Round Table event at IFLA 2013 in Singapore 19th August 2013

1. 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

2. http://www.flickr.com/photos/44787195@N00/273162789/
Linked Data Progress
with OCLC and Others

3. http://www.flickr.com/photos/44787195@N00/273162789/
Linked Data Progress
with OCLC and Others
A busy year....

4. http://www.flickr.com/photos/44787195@N00/273162789/
Linked Data Progress
with OCLC and Others
A busy year....
A few highlights....

5. http://www.flickr.com/photos/44787195@N00/273162789/
Linked Data Progress
with OCLC and Others
A busy year....
A few highlights....
A peak into OCLC developments

6. The world’s libraries. Connected.
Linked Data

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

10. The world’s libraries. Connected.
Content-negotiation

11. The world’s libraries. Connected.
Content-negotiation
HTML
+
RDFa

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

18. http://www.w3.org/community/schemabibex

19. http://www.w3.org/community/schemabibex
http://www.w3.org/community/schemabibex
• Short lived group
• Libraries, Publishers, Consumers, System Vendors, Linked Data, Standards
Bodies
• Library is only one focus
SchemaBibExhttp://www.w3c.org/community/schemabibex

20. http://www.w3.org/community/schemabibex
http://www.w3.org/community/schemabibex
• Short lived group
• Libraries, Publishers, Consumers, System Vendors, Linked Data, Standards
Bodies
• Library is only one focus
SchemaBibExhttp://www.w3c.org/community/schemabibex
• Established 10 months
• 83 Participants
• 2 submitted proposals - citation & collection
• 1 accepted - citation
• Several in process - Work relationships,
AudioBook, Holdings
• More to come ...

22. • Google, Bing, Yahoo!, Yandex
• 7%-10% of crawled pages

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

24. BIBFRAME

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?

28. The world’s libraries. Connected.
OCLC Heads-up

29. The world’s libraries. Connected.
OCLC Heads-up
OCNs

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

33. The world’s libraries. Connected.
OCLC Heads-up

34. The world’s libraries. Connected.
OCLC Heads-up
Works

35. The world’s libraries. Connected.
OCLC Heads-up
Works
Hardback Paperback eBook 2nd Edition

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:

44. The world’s libraries. Connected.
OCLC Heads-up

45. The world’s libraries. Connected.
OCLC Heads-up
WorldCat Registry Linked Data

46. The world’s libraries. Connected.
OCLC Heads-up
WorldCat Registry Linked Data
• Linked Data for institutions
• Linked to by other entities

47. http://www.flickr.com/photos/44787195@N00/273162789/
Linked Data Progress
with OCLC and Others
A busy year....
A few highlights....
A peak into OCLC developments

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