1. Online Information – London – 20th November 2013
When the Web of Linked
Data Arrives…
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

4. Multilingual WorldCat
Total Records
English
German
French
Spanish
Japanese
Chinese
Italian
Dutch
Russian
Latin
274 m
108.6 m
36.5 m
25.5 m
11.3 m
8.0 m
6.5 m
4.7 m
4.3 m
3.6 m
3.5 m
60.2%
30 June 2012
The world’s libraries. Connected.

5. Online Information – London – 20th November 2013
When the Web of Linked
Data Arrives…
Richard Wallis
Technology Evangelist
OCLC
@rjw
The world’s libraries. Connected.

6. Is it not here then?
When the Web of Linked
Data Arrives…
The world’s libraries. Connected.

7. Linked Data on the Web
Yes
A Web of Data?
Not quite yet…
… but things are happening
The world’s libraries. Connected.

8. Knowledge Graph
K
The world’s libraries. Connected.

9. An issue for libraries?
Where are our users?
The world’s
The world’s libraries. Connected.

10. Where our users are!
The world’s
The world’s libraries. Connected.

11. Romain Wenz BnF
The world’s libraries. Connected.

12. 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.

13. library data:
stored as records
author
location
edition
title
holding
source
classification
publisher
ISBN
subject publication
date of
The world’s libraries. Connected.

14. 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

15. library data stored as entities
person
author
place
object
concept
item
availability
subject
organization
The world’s libraries. Connected.
work

16. library data stored as entities
library knowledge graph
person
place
object
concept
organization
The world’s libraries. Connected.
work

17. 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

18. library data:
stored as records
author
location
edition
title
holding
source
classification
publisher
ISBN
date of publication
The world’s libraries. Connected.

19. library data stored as entities
library knowledge graph
person
place
object
concept
organization
The world’s libraries. Connected.
work

20. We are moving from
cataloguing
to
http://
catalinking
The world’s libraries. Connected.
Eric Miller - Zepheira

21. The world’s libraries. Connected.

22. The world’s libraries. Connected.

23. Tell them about our
resources… their language and methods
…using
http://www.flickr.com/photos/boston_public_library/6220572487
The world’s libraries. Connected.

24. 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. The world’s libraries. Connected.

26. Part of the Web of Data
The world’s libraries. Connected.

27. Part of the Web of Data
The world’s libraries. Connected.

28. 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

29. The world’s libraries. Connected.

30. is
good enough ?
For library data exchange?
No
For sharing library resources with the web? Almost
The world’s libraries. Connected.

31. http://www.w3.org/community/schemabibex
• Short lived group
• Libraries, Publishers, Consumers, System Vendors, Linked
Data, Standards Bodies
• Library is only one focus
The world’s libraries. Connected.

32. 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.

33. ≈ Complementary ≈
? Conflict ?
bibliographic description as part of the web
@Fascinatingpics
http://www.flickr.com/photos/54136840@N00/4921290518/
The world’s libraries. Connected.

34. 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.

35. The world’s libraries. Connected.

36. 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.

37. Building a Web
of Data
The world’s libraries. Connected.

38. Building a Web
of Data
Linking to all
and
all their resources
We all need to participate
The world’s libraries. Connected.

39. Happening in a hurry?
The web will to
Opportunities
Years not
progress
reach for
Decades
without us
together
The world’s libraries. Connected.

40. to
Opportunity
connect
users
with
our
The world’s libraries. Connected.
resources

41. The world’s libraries. Connected.

42. Online Information – London – 20th November 2013
When the Web of Linked
Data Arrives…
Richard Wallis
Technology Evangelist
OCLC
@rjw
The world’s libraries. Connected.
http://www.slideshare.net/rjw