Polkadot JAM Slides - Token2049 - By Dr. Gavin Wood
Linked Data for Libraries: Great progress, but what is the benefit?
1. SWIB 2013 – Hamburg – 26th November 2013
Linked Data for Libraries:
Great Progress
but what is the benefit?
Richard Wallis
Technology Evangelist
OCLC
@rjw
The world’s libraries. Connected.
2. The OCLC cooperative: a nonprofit, membership organization
Further access to the world’s information
Reduce the rate of rise of library costs
72,035 libraries in
170 countries
OCLC serves libraries
The world’s libraries. Connected.
3. Representing the collective collection
in WorldCat Local and WorldCat.org
Bibliographic
information in
WorldCat
300+ million
bibliographic records
2+ billion holdings
The world’s libraries. Connected.
Licensed digital
content/articles in
library collections
Digitized
local library content
38 million items
980million records
(Institutional repositories,
Google, HathiTrust, OAIster)
As of 11 June 2013
5. SWIB 2013 – Hamburg – 26th November 2013
Linked Data for Libraries:
Great Progress
but what is the benefit?
Richard Wallis
Technology Evangelist
OCLC
@rjw
The world’s libraries. Connected.
6. Library Linked Data
on the Web
Yes
A Web of Data?
Not quite yet…
… but things are happening
The world’s libraries. Connected.
11. The problem with access to library
collections:
People aren’t using the library catalog?
(No… that’s just a fact.)
The real problem is that we don’t expose our
collections very well on the web.
The world’s libraries. Connected.
12. library data:
stored as records
author
location
edition
title
holding
source
classification
publisher
ISBN
subject publication
date of
The world’s libraries. Connected.
13. library data:
stored as records
person
place
author
location
edition
title
holding
source
object
concept
classification
publisher
ISBN
date of publication
organization
The world’s libraries. Connected.
work
14. library data stored as entities
person
author
place
object
concept
item
availability
subject
organization
The world’s libraries. Connected.
work
15. library data stored as entities
library knowledge graph
person
place
object
concept
organization
The world’s libraries. Connected.
work
16. Knowledge cards for libraries
Günter Grass
Born: 16 October 1927
Gdaosk, Poland
German novelist, poet,
playwright, illustrator,
graphic artist, sculptor and
recipient of the 1999 Nobel
Prize in Literature.
Works
Subjects
Germany | German literature | Historical fiction
War stories | Black humor | Fantasy
Quotes
“Even bad books are books and therefore sacred.”—
The Tin Drum
Find Günter Grass works at:
Libraries near me | Online Retailers
The world’s libraries. Connected.
Google Knowledge Graph
17. Knowledge cards for Library data stored as entities
libraries
the library knowledge graph
Günter Grass
Born: 16 October 1927
Gdaosk, Poland
German novelist, poet,
playwright, illustrator,
graphic artist, sculptor and
recipient of the 1999 Nobel
Prize in Literature.
Works
Subjects
Germany | German literature | Historical fiction
War stories | Black humor | Fantasy
Quotes
“Even bad books are books and therefore sacred.”—
The Tin Drum
Find Günter Grass works at:
Libraries near me | Online Retailers
The world’s libraries. Connected.
Library content
Web content
Links out to e-commerce
18. library data stored as entities
Field in a record vs. entity in knowledge graph
person
Günter Grass
object
this copy of
“The Tin Drum”
library
organization
The world’s libraries. Connected.
place
Germany
Historical
Fiction concept
expression
“Die Blechtrommel”
“The Tin Drum”
work
19. We are moving from
cataloguing
to
catalinking
http://
The world’s libraries. Connected.
Eric Miller - Zepheira
22. Tell them about our
resources… their language and methods
…using
http://www.flickr.com/photos/boston_public_library/6220572487
The world’s libraries. Connected.
23. WorldCat Linked Data
Linked Data
•
•
•
•
300+ million data resources
Schema.org
Embedded RDFa
Links to Dewey, LCSH, LCNAF,
DOI, VIAF, FAST
• ODC-BY license
• June 2012
• Continuing development:
• Vocabulary, Content-negotiation, Links, Works, …
The world’s libraries. Connected.
25. OCLC Heads-up
Works Linked Data
<http://www.worldcat.org/entity/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> .
The world’s libraries. Connected.
26. OCLC Heads-up
Works Linked Data
<http://www.worldcat.org/entity/work/id/31233333>
Current project state:
• Experimental pre-release
• Only RDF/XML
• Vocabulary changes coming
• No lookup service yet
The world’s libraries. Connected.
27. WorldCat Linked Data
Linked Data
•
•
•
•
300+ million data resources
Schema.org
Embedded RDFa
Links to Dewey, LCSH, LCNAF,
DOI, VIAF, FAST
• ODC-BY license
• June 2012
• Continuing development:
• Vocabulary, Content-negotiation, Links, Works, …
The world’s libraries. Connected.
29. Part of the Web of Data
The world’s libraries. Connected.
30. Part of the Web of Data
The world’s libraries. Connected.
31. Part of the Web of Data
http://www.wikidata.org/wiki/Q238514
Nawal El Saadawi
VIAF
sameAs
http://viaf.org/viaf/84254254/
author
Worldcat.org/oclc/81453459
The Hidden Face of Eve
The world’s libraries. Connected.
sameAs
Nawal El Saadawi
sameAs
http://isni-url.oclc.nl/isni/0000000120296695
Nawal El Saadawi
35. BIBFRAME
Bibliographic Framework as a
Web of Data:
It is the foundation for the future of
bibliographic description that happens on, in,
and as part of the web and the networked
world we live in.
http://www.bibframe.org
The world’s libraries. Connected.
36. ≈ Complementary ≈
? Conflict ?
bibliographic description as part of the web
@Fascinatingpics
http://www.flickr.com/photos/54136840@N00/4921290518/
The world’s libraries. Connected.
37. Be Visible on the
Web of Data
Lighting the way to your resources …
…. registered in the network
http://wallpapersfor.me/storm-beacon/
The world’s libraries. Connected.
39. A Future Role for
Discovery Interfaces?
When part of the Web of Data
• Destinations for external discovery
• Linked Data publishing hubs
• Specialized local discovery
The world’s libraries. Connected.
45. SWIB 2013 – Hamburg – 26th November 2013
Linked Data for Libraries:
Great Progress
but what is the benefit?
Richard Wallis
Technology Evangelist
OCLC
@rjw
The world’s libraries. Connected.
http://slideshare.net/rjw
Notas do Editor
We are rapidly extending WorldCat to represent the collective collection of the OCLC cooperative, including physical holdings such as books and journals, licensed digital content, and the growing array of local content that is being digitized. The collective collection of the holdings in the OCLC cooperative accessible through WorldCat.org and WorldCat Local stood at more than 2 billion items.300 million bibliographic records and 2+ billion holdings980 million records for licensed digital content38 million items of digitized local library content, which includes data from OAIster, Hathi Trust and Google BooksCLICK TO WRIGHT BROTHERS
As Ted reminded us – all these developments are part of a continuumUsing the technology of the day to best achieve our mission We are using today’s technology – to build a web of data..