The Power of Sharing Linked Data: Bibliothekartag 2014
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The world’s libraries. Connected.
Bibliothekartag 2014 - Bremen
The Power of Sharing Linked DataGiving the Web What it Wants
Richard WallisTechnology Evangelist
OCLC
@rjw
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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http://www.theeuropeanlibrary.org/tel4/newsitem/5350
“… more than 80 per cent of these visitors coming from search engines …”
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The world’s libraries. Connected.
Things not strings
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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• 311+ 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, More Links• Works …
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The world’s libraries. Connected.
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The world’s libraries. Connected.
How we are sharing with the web
What the web gets:
• WorldCat 311M+ • Schema.org• VIAF, LCSH, Dewey, …• WorldCat persistent
identifiers (URIs)
Some things the web wants:
1. Size
2. Familiar structures
3. A network of links
4. Entity identifiers
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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.
15% Of Web
Use Schema.org
markup!
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The world’s libraries. Connected.
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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.
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.
Stop Press
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The world’s libraries. Connected.
WorldCat Works Linked Data
Works
• 197+ million Work descriptions and URIs• Schema.org• RDF Data formats – RDF/XML, Turtle, Triples, JSON-LD
• Links to WorldCat manifestations• Links to Dewey, LCSH, LCNAF, VIAF, FAST• Open Data license• Released April 2014
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The world’s libraries. Connected.
WorldCat Works Linked Data
Single Manifesta-tionMultiple Mani-festations
197 Million Work Descriptions
Linking to 311 Million Manifestations
The Route to Library Holdings
84% of WorldCat holding statements
(1.7 billion) associated with multi-
manifestation works
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The world’s libraries. Connected.
www.oclc.org/data
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A Web of DataHubs of Authority
inSetting Context
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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.
Scribe OPACCard Catalog
Web ofDataWeb
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.
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.
Bibliothekartag 2014 - Bremen
The Power of Sharing Linked DataGiving the Web What it Wants
Richard WallisTechnology Evangelist
OCLC
@rjw