When the Web of Linked Data Arrives
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Transcript of When the Web of Linked Data Arrives
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The world’s libraries. Connected.
Richard WallisTechnology Evangelist
OCLC@rjw
When the Web of Linked Data Arrives…
Online Information – London – 20th November 2013
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The world’s libraries. Connected.
Further access to the world’s information
Reduce the rate of rise of library costs
72,035 libraries in 170 countries
The OCLC cooperative: a nonprofit, membership organization
OCLC serves libraries
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The world’s libraries. Connected.
300+ million bibliographic records
2+ billion holdings
980million records38 million items
(Institutional repositories, Google, HathiTrust, OAIster)
Bibliographic information in
WorldCat
Licensed digital content/articles in library collections
Digitized local library content
Representing the collective collection in WorldCat Local and WorldCat.org
As of 11 June 2013
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The world’s libraries. Connected.
30 June 2012
60.2%
Total RecordsEnglishGermanFrenchSpanishJapaneseChinese ItalianDutch Russian Latin
274 m 108.6 m
36.5 m 25.5 m
11.3 m8.0 m6.5 m4.7 m4.3 m3.6 m3.5 m
Multilingual WorldCat
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The world’s libraries. Connected.
Richard WallisTechnology Evangelist
OCLC@rjw
When the Web of Linked Data Arrives…
Online Information – London – 20th November 2013
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The world’s libraries. Connected.
When the Web of Linked Data Arrives…
Is it not here then?Is it not here then?
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The world’s libraries. Connected.
Linked Data on the WebYes
A Web of Data?Not quite yet…
… but things are happening
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The world’s libraries. Connected.
K
Things not strings
Knowledge Graph
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The world’s libraries. Connected.
The world’s libraries. Connected.
Where are our users?An issue for libraries?
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The world’s libraries. Connected.
The world’s libraries. Connected.
Where our users are!
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The world’s libraries. Connected.
Romain Wenz BnF
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The world’s libraries. Connected.
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.
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The world’s libraries. Connected.
subject
edition
author location
holding
date of publication
classification
publisher
title
source
ISBN
library data:
stored as records
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The world’s libraries. Connected.
edition
author location
holding
date of publication
classification
publisher
title
source
ISBN
author location
holding
classification
publisher
person place
object concept
organization work
library data:
stored as records
title
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The world’s libraries. Connected.
authorperson place
object concept
organization work
subjectitemavailability
library data stored as entities
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The world’s libraries. Connected.
person place
object concept
organization work
library data stored as entitieslibrary knowledge graph
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The world’s libraries. Connected.
person place
work
concept
organization
object
Günter Grass
Historical Fiction
this copy of“The Tin Drum”
Germany
library “Die Blechtrommel”
library data stored as entitiesField in a record vs. entity in knowledge graph
expression“The Tin Drum”
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The world’s libraries. Connected.
edition
author location
holding
date of publication
classification
publisher
title
source
ISBN
author location
holding
classification
publisher
title
library data:
stored as records
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The world’s libraries. Connected.
person place
object concept
organization work
library data stored as entitieslibrary knowledge graph
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The world’s libraries. Connected.
We are moving fromcataloguingto
http://
catalinkingEric Miller - Zepheira
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
Tell them about our resources……using their language and
methods
Linked DataThe Web
DataSchema.org
http://www.flickr.com/photos/boston_public_library/6220572487
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The world’s libraries. Connected.
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, …
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The world’s libraries. Connected.
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The world’s libraries. Connected.
Part of the Web of Data
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The world’s libraries. Connected.
Part of the Web of Data
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The world’s libraries. Connected.
Part of the Web of Data
Worldcat.org/oclc/81453459The Hidden Face of Eve
http://viaf.org/viaf/84254254/Nawal El Saadawi
http://www.wikidata.org/wiki/Q238514Nawal El Saadawi
http://isni-url.oclc.nl/isni/0000000120296695Nawal El Saadawi
author
sameAs
sameAs
sameAs
VIAF
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The world’s libraries. Connected.
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The world’s libraries. Connected.
For library data exchange?
For sharing library resources with the web?
No
Almost
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The world’s libraries. Connected.
http://www.w3.org/community/schemabibex
• Short lived group• Libraries, Publishers, Consumers, System Vendors, Linked
Data, Standards Bodies• Library is only one focus
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The world’s libraries. Connected.
BIBFRAME
Bibliographic Framework as aWeb 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
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The world’s libraries. Connected.
≈ Complementary ≈
bibliographic description as part of the web
? Conflict ?
@Fascinatingpicshttp://www.flickr.com/photos/54136840@N00/4921290518/
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The world’s libraries. Connected.
Be Visible on theWeb of Data
http://wallpapersfor.me/storm-beacon/
Lighting the way to your resources …
…. registered in the network
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The world’s libraries. Connected.
Amazon.com
WorldCat.org
My University
My Library
Wikipedia.org
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The world’s libraries. Connected.
A Future Role for Discovery Interfaces?
Different
y
• Destinations for external discovery• Linked Data publishing hubs• Specialized local discovery
When part of the Web of Data
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The world’s libraries. Connected.
Building a Webof Data
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The world’s libraries. Connected.
We all need to participate
Building a Webof Data
Linking to alland
all their resources
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The world’s libraries. Connected.
Happening in a hurry?
Years notDecadesThe web willprogresswithout us
Opportunities to reach fortogether
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The world’s libraries. Connected.
Opportunity to
connect users
with our resources
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The world’s libraries. Connected.
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The world’s libraries. Connected.
Richard WallisTechnology Evangelist
OCLC@rjw
When the Web of Linked Data Arrives…
Online Information – London – 20th November 2013
http://www.slideshare.net/rjw