The Web of Data is Our Oyster
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Transcript of The Web of Data is Our Oyster
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Richard Wallis OCLC Technology Evangelist
@rjw
The Web of Data is Our Oyster
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Image courtesy of: Shropshire County Council1779 (c.)
The Industrial Revolution
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The Web of …
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The Web of …
Documents
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The Web of …
Documents
Active Documents
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The Web of …
Documents
Active Documents
Discovery
☌
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The Web of …
Documents
Active Documents
Discovery
Data
☌☌
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The Web of …
Documents
Active Documents
Discovery
Data
☌☌
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The Web of …
Documents
Active Documents
Discovery
Data
☌☌
✔
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The Web of …
Documents
Active Documents
Discovery
Data
☌☌
✔
✔
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The Web of …
Documents
Active Documents
Discovery
Data
☌☌
✔
✔
✗
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The Web of …
Documents
Active Documents
Discovery
Data
☌☌
✔
✔
✔✗
✗
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The Web of …
Documents
Active Documents
Discovery
Data
Knowledge
☌☌
✔
✔
✔✗
✗
☌
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The Web of …
Documents
Active Documents
Discovery
Data
Knowledge
☌☌
✔
✔
✔✗
✗
?☌
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http://www.opte.org/
The Web of Data
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http://www.opte.org/
The Web of Data
A Web of related entities
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http://www.opte.org/
The Web of Data
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http://www.opte.org/
The Web of Data
A Library Shaped Black Hole ?
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record /ˈrɛkɔːd/ noun !
a thing constituting a piece of evidence about the past, especially an account kept in writing or some other permanent form.
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entity /ˈɛntɪti/ noun
a thing with distinct and independent existence.
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entity /ˈɛntɪti/ noun
a thing with distinct and independent existence.
relationship /rɪˈleɪʃ(ə)nʃɪp/ noun
the way in which two or more people or things are connected
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RecordTitle: "War and Peace" Author: "Leo Tolstoy 1828-‐1910" ISBN: 0307266931
Type: Work Name: "War and Peace" Author: http://worldcat.org/entity/person/id/1234
Entity (http://worldcat.org/entity/work/id/115206288)
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⤵
RecordTitle: "War and Peace" Author: "Leo Tolstoy 1828-‐1910" ISBN: 0307266931
Type: Work Name: "War and Peace" Author: http://worldcat.org/entity/person/id/1234
Entity (http://worldcat.org/entity/work/id/115206288)
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⤵
RecordTitle: "War and Peace" Author: "Leo Tolstoy 1828-‐1910" ISBN: 0307266931
Type: Work Name: "War and Peace" Author: http://worldcat.org/entity/person/id/1234
Entity (http://worldcat.org/entity/work/id/115206288)
Type: Person Name: "Leo Tolstoy " Born: 1828 Died: 1910 Birthplace: http://worldcat.org/entity/place/id/8976
Entity (http://worldcat.org/entity/person/id/1234) ⤵
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⤵
RecordTitle: "War and Peace" Author: "Leo Tolstoy 1828-‐1910" ISBN: 0307266931
Type: Work Name: "War and Peace" Author: http://worldcat.org/entity/person/id/1234
Entity (http://worldcat.org/entity/work/id/115206288)
Type: Person Name: "Leo Tolstoy " Born: 1828 Died: 1910 Birthplace: http://worldcat.org/entity/place/id/8976
Entity (http://worldcat.org/entity/person/id/1234)
Type: Place Name: "Yasnaya Polyana" SameAs: http://geonames.org/468686
Entity (http://worldcat.org/entity/place/id/8976)
⤵
⤵⟶
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Many great LD Projects
So today …..
Where are
we on t
he web?
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Where are
we on t
he web?
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Invisible
on the w
eb!
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Invisible
on the w
eb!
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Open Linked Data -‐ Silos
Library Linked Data
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British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ Silos
Library Linked Data
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British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ Silos
Library Linked Data
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British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ Silos
Library Linked Data
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British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ Silos
Library Linked Data
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British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ Silos
Library Linked Data
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British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ Silos
Library Linked Data
![Page 58: The Web of Data is Our Oyster](https://reader031.fdocuments.net/reader031/viewer/2022032421/55a6449f1a28abfa148b4584/html5/thumbnails/58.jpg)
British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ Silos
Library Linked Data
![Page 59: The Web of Data is Our Oyster](https://reader031.fdocuments.net/reader031/viewer/2022032421/55a6449f1a28abfa148b4584/html5/thumbnails/59.jpg)
British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ Silos
Library Linked Data
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British Library
German National Library
Spanish National Library
Swedish National Library
Open Linked Data -‐ SilosBehind A Vocabulary Barrier
Library Linked Data
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A general purpose vocabulary for describing things on the web
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains"
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains" "25% o
f pages
in our
indexe
s"
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains" "25% o
f pages
in our
indexe
s"
"15% of the Web"
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains" "25% o
f pages
in our
indexe
s"
de facto
y
"15% of the Web"
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains" "25% o
f pages
in our
indexe
s"
de facto
y
• Linked Data
"15% of the Web"
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains" "25% o
f pages
in our
indexe
s"
de facto
y
• Linked Data • Embedded in HTML
"15% of the Web"
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains" "25% o
f pages
in our
indexe
s"
de facto
y
• Linked Data • Embedded in HTML• RDFa, Microdata, JSON-‐LD
"15% of the Web"
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains" "25% o
f pages
in our
indexe
s"
de facto
y
• Linked Data • Embedded in HTML• RDFa, Microdata, JSON-‐LD• Descriptive data
"15% of the Web"
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A general purpose vocabulary for describing things on the web
"Used by 5 million
domains" "25% o
f pages
in our
indexe
s"
de facto
y
• Linked Data • Embedded in HTML• RDFa, Microdata, JSON-‐LD• Descriptive data• Active links
"15% of the Web"
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• Foundation for the future of bibliographic description
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• Foundation for the future of bibliographic description
• Eventual replacement for Marc 21
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• Foundation for the future of bibliographic description
• Eventual replacement for Marc 21
• Identify information entities
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• Foundation for the future of bibliographic description
• Eventual replacement for Marc 21
• Identify information entities
• Conversion from Marc
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• Foundation for the future of bibliographic description
• Eventual replacement for Marc 21
• Identify information entities
• Conversion from Marc
• Publish in RDF – Linked Data
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• Foundation for the future of bibliographic description
• Eventual replacement for Marc 21
• Identify information entities
• Conversion from Marc
• Publish in RDF – Linked Data
• White PaperCommon Ground: Exploring Compatibilities between the Linked Data Models of the Library of Congress and OCLC
http://oc.lc/CommonGround
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Why Catalog?
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Why Catalog?So we can find things
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Why Catalog?So we can find things
Why Share on the Web?
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Why Catalog?So we can find things
Why Share on the Web?
So today’s users can find our things
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Where are our users?
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Where are our users?
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Getting from here to there
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Data from oneconverted record doesnot an entity make
Getting from here to there
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Data from oneconverted record doesnot an entity make
Transformation into Linked Data is just a beginning …
Getting from here to there
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Data from oneconverted record doesnot an entity make
Transformation into Linked Data is just a beginning …• Mine and analyze the aggregate
Getting from here to there
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Data from oneconverted record doesnot an entity make
Transformation into Linked Data is just a beginning …• Mine and analyze the aggregate• Identify, map, merge -‐ evidence based
Getting from here to there
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Data from oneconverted record doesnot an entity make
Transformation into Linked Data is just a beginning …• Mine and analyze the aggregate• Identify, map, merge -‐ evidence based• Relate to external sources
Getting from here to there
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Data from oneconverted record doesnot an entity make
Transformation into Linked Data is just a beginning …• Mine and analyze the aggregate• Identify, map, merge -‐ evidence based• Relate to external sources• Establish the entities
Getting from here to there
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Entities and library workflowsDiscovery
The Name of the Rose
Summary: The year is 1327. Franciscans in a wealthy Italian abbey are suspected of heresy, and Brother William of Baskerville arrives to investigate. His delicate mission is suddenly overshadowed by seven bizarre deaths that take place in seven days and nights of apocalyptic terror.
Subjects
Borrowing Options eBooks | Printed Books | Audio Books
Other Languages
!
Monastic libraries -‐-‐ Italy – Fiction | Semiotics -‐-‐ Fiction
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http://www.opte.org/
A Web of Data
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http://www.opte.org/
A Web of Data
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person place
object concept
organization work
The solution starts here.
The library knowledge graphA graph of relationships
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person place
object concept
organization work
author
The solution starts here.
The library knowledge graphA graph of relationships
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person place
object concept
organization work
author
subject
The solution starts here.
The library knowledge graphA graph of relationships
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person place
object concept
organization work
author
subjectitem availability
The solution starts here.
The library knowledge graphA graph of relationships
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The library knowledge graphA graph of relationships
person place
object concept
organization work
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What will be better?
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The library knowledge graphLots of things….if we do it right.
ILL and AnalyticsCataloging
Discovery Integration with the web
What will be better?
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Entities and library workflowsCataloging
Cataloging will be different…
▪ Managing the quality of Works
• Improving clusters
▪ Managing the quality of Persons
• Links to works, Other IDs
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What has OCLC done?
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What has OCLC done?
So what progress have we made?
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• 197+ million Work descriptions and URIs • Schema.org + BiblioGraph.net • RDF Data formats
• RDF/XML, Turtle, Triples, JSON-‐LD
• Links to WorldCat manifestations • Links to Dewey, LCSH, LCNAF, VIAF, FAST • Open Data license via Linked Data Explorer • 2015: Discovery API, Metadata API
• Released April 2014
http://www.oclc.org/dataThe Work Entity
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• 98+ million Person descriptions and URIs • Person entities with authority: 20.2 million
• Person entities without authority: 78.3 million
• Schema.org + BiblioGraph.net • Harvested from WorldCat data and enriched from other hubs RDF Data formats • RDF/XML, Turtle, Triples, JSON-‐LD
• Links to WorldCat Works. Added links from WC Works. • Open Data license via Linked Data Explorer • 2015: Linked Data Explorer, Discovery API
http://www.oclc.org/dataThe Person Entity
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Can we measure impact?
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Monthly Unique Visitors
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OCLC Entity Based Data Strategy
2012
2013
2010
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OCLC Entity Based Data Strategy✓VIAF, ISNI, FAST Publish Linked Data✓WorldCat.org Linked Data Release – using Schema.org✓Data mining of WorldCat resources✓WorldCat Works Released – using Schema.org✓Schema.org added to VIAF RDF✓WorldCat Discovery API Returns Schema.org RDF (Beta)
2012
20142013
2010
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OCLC Entity Based Data Strategy✓VIAF, ISNI, FAST Publish Linked Data✓WorldCat.org Linked Data Release – using Schema.org✓Data mining of WorldCat resources✓WorldCat Works Released – using Schema.org✓Schema.org added to VIAF RDF✓WorldCat Discovery API Returns Schema.org RDF (Beta)
2012
2014
➢Application Integration ➢WorldCat Discovery ➢Analytics ➢Discovery API ➢Cataloging
2015
2013
2010
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OCLC Entity Based Data Strategy✓VIAF, ISNI, FAST Publish Linked Data✓WorldCat.org Linked Data Release – using Schema.org✓Data mining of WorldCat resources✓WorldCat Works Released – using Schema.org✓Schema.org added to VIAF RDF✓WorldCat Discovery API Returns Schema.org RDF (Beta)
2012
2014
➢Application Integration ➢WorldCat Discovery ➢Analytics ➢Discovery API ➢Cataloging
2015
➢More Entities Released ➢Person ➢Organization ➢Event ➢Concept
2013
2010
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OCLC Entity Based Data Strategy✓VIAF, ISNI, FAST Publish Linked Data✓WorldCat.org Linked Data Release – using Schema.org✓Data mining of WorldCat resources✓WorldCat Works Released – using Schema.org✓Schema.org added to VIAF RDF✓WorldCat Discovery API Returns Schema.org RDF (Beta)
2012
2014
➢Application Integration ➢WorldCat Discovery ➢Analytics ➢Discovery API ➢Cataloging
2015
➢More Entities Released ➢Person ➢Organization ➢Event ➢Concept
➢New Products ➢Continuing Evangelism
➢New Services➢Continuing Innovation
2013
2016
2010
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!Many great Library Linked
Data Initiatives
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but!
Many great Library Linked Data Initiatives
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but!
Many great Library Linked Data Initiatives
If users can't discover our resources
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but!
Many great Library Linked Data Initiatives
If users can't discover our resources
What is the point?
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but!
Many great Library Linked Data Initiatives
If users can't discover our resources
What is the point?
Give the Web what it wants!
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Linked Data has benefits for library workflows ….
….by giving the Web what it wants
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The Web of Data is Our Oyster
Linked Data has benefits for library workflows ….
….by giving the Web what it wants
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Richard Wallis OCLC Technology Evangelist
@rjw
The Web of Data is Our Oyster
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Richard Wallis OCLC Technology Evangelist
@rjw
The Web of Data is Our Oyster
http://slideshare.net/rjw