The Single Power of Link - Richard Wallis
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Transcript of The Single Power of Link - Richard Wallis
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The world’s libraries. Connected.
The Simple Power Of The Link
OCLC Asia Pacific Regional Council Meeting Kuala Lumpar, 4 September 2012
Richard Wallis
Technology EvangelistOCLC
@rjw
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The world’s libraries. Connected.
The Simple Power Of The Link
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The world’s libraries. Connected.
The Simple Power Of The Link
• What is Linked Data
• Who is using it
• What are the benets
• OCLC and Linked Data
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The world’s libraries. Connected.
Linked Data
• What is Linked Data
• Who is using it
• What are the benets
• OCLC and Linked Data
![Page 5: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/5.jpg)
The world’s libraries. Connected.
Web?Semantic
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The world’s libraries. Connected.
Web?The
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The world’s libraries. Connected.
Web?
HTML
The
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The world’s libraries. Connected.
Web?
URL
HTML
The
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The world’s libraries. Connected.
Web?
http
URL
HTML
The
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The world’s libraries. Connected.
Web?
http
URL
Flash
Javascript
DOM
CSS
Ajax
SEO
Microformats RDFa
JQuery
HTML5
CSS3
XMLJSON
HTML
The
![Page 11: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/11.jpg)
The world’s libraries. Connected.
Web?
http URLHTML
The
![Page 12: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/12.jpg)
Web?
HTML http URL
The
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Web?
HTML http URL
Text text texttext text linktext. Text, texttext text, text.Text text - texttext - text text text.
Document
The
![Page 14: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/14.jpg)
Web?
HTML http URL
Text text texttext text linktext. Text, texttext text, text.Text text - texttext - text text text.
Text text texttext text.Text: • link • linkText text, text.Text text - linktext - text text.
Document Document
The
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Web?
HTML http URL
Text text texttext text linktext. Text, texttext text, text.Text text - texttext - text text text.
Text text texttext text.Text: • link • linkText text, text.Text text - linktext - text text.
Document Document
The
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Web?
HTML http URL
Text text texttext text linktext. Text, texttext text, text.Text text - texttext - text text text.
Text text texttext text.Text: • link • linkText text, text.Text text - linktext - text text.
Document Document
http://example.com
/page1
The
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Web?
HTML http URL
Text text texttext text linktext. Text, texttext text, text.Text text - texttext - text text text.
Text text texttext text.Text: • link • linkText text, text.Text text - linktext - text text.
Document Document
http://example.com
/page1
http://eg.co.uk/list
The
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Web?
http://example.com/page1 http://eg.co.uk/listLink
The
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Linking at it’s core
link
http://www.flickr.com/photos/leapkye/4407661949
Web?The
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Linking at it’s core
link
http://www.flickr.com/photos/leapkye/4407661949
PowerfulWeb?The
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©AllPosters.com
Linking at it’s core
link
PowerfulWeb?The
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WebThe
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WebThe
Semantic
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Flying Cars Technology
Ai
WebThe
Semantic
Got a bad press
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Linked DataLinked Data
![Page 26: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/26.jpg)
Linked Data
Built on Semantic Web Standards
Linked Data
![Page 27: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/27.jpg)
Linked Data
Built on Semantic Web Standards
All about identifying and linking things
Linked Data
Thing
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Identifying things
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Identifying things
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Identifying things
1969-059A
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Identifying things
spacecraft/1969-059A
1969-059A
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Identifying things
spacecraft/1969-059A
nasa.dataincubator.org/spacecraft/1969-059A
1969-059A
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Identifying things
spacecraft/1969-059A
nasa.dataincubator.org/spacecraft/1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
1969-059A
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Identifying things
spacecraft/1969-059A
nasa.dataincubator.org/spacecraft/1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
1969-059A
with URIs
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Things have attributeshttp://nasa.dataincubator.org/spacecraft/1969-059A
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Things have attributeshttp://nasa.dataincubator.org/spacecraft/1969-059A
28801.0kg
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Things have attributeshttp://nasa.dataincubator.org/spacecraft/1969-059A
28801.0kg
Columbia
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Things have attributeshttp://nasa.dataincubator.org/spacecraft/1969-059A
28801.0kg
Columbia
Apollo 11 CSM
CSM-107
United States
Cape Canaveral
Saturn 5
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http://nasa.dataincubator.org/spacecraft/1969-059A
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.../1969-059Ahttp://nasa.dataincubator.org/spacecraft/1969-059A
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⤵mass
28801.0.../
1969-059Ahttp://nasa.dataincubator.org/spacecraft/1969-059A
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⤵mass
28801.0
Apollo 11 CSM
⤵name.../
1969-059Ahttp://nasa.dataincubator.org/spacecraft/1969-059A
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⤵mass
28801.0
Apollo 11 CSM
⤵Columbia⤵
name name.../
1969-059Ahttp://nasa.dataincubator.org/spacecraft/1969-059A
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⤵⤵mass
28801.0
Apollo 11 CSM
⤵Columbia⤵
name name.../
1969-059A
prefName
http://nasa.dataincubator.org/spacecraft/1969-059A
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⤵⤵⤵mass
28801.0
Apollo 11 CSM
⤵Columbia⤵
name name
launch
.../1969-059A
../launch/
1969-059
prefName
http://nasa.dataincubator.org/spacecraft/1969-059A
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⤵⤵⤵mass
28801.0
Apollo 11 CSM
⤵Columbia⤵
name name
launch16 July 1969⤵date
.../1969-059A
../launch/
1969-059
prefName
http://nasa.dataincubator.org/spacecraft/1969-059A
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⤵⤵⤵mass
28801.0
Apollo 11 CSM
⤵Columbia⤵
name name
launch16 July 1969⤵date
⤵site
.../1969-059A
../launch/
1969-059
Cape Canaveral
prefName
http://nasa.dataincubator.org/spacecraft/1969-059A
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⤵⤵⤵mass
28801.0
Apollo 11 CSM
⤵Columbia⤵
name name
launch16 July 1969⤵date
⤵site
N 28° 27' 31''
W 80° 31' 59''
⤵⤵lat
long
.../1969-059A
../launch/
1969-059
Cape Canaveral
prefName
http://nasa.dataincubator.org/spacecraft/1969-059A
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⤵⤵⤵mass
28801.0
Apollo 11 CSM
⤵Columbia⤵
name name
launch16 July 1969⤵date
⤵site
RDF
N 28° 27' 31''
W 80° 31' 59''
⤵⤵lat
long
.../1969-059A
../launch/
1969-059
Cape Canaveral
prefName
http://nasa.dataincubator.org/spacecraft/1969-059A
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⤵⤵⤵mass
28801.0
Apollo 11 CSM
⤵Columbia⤵
name name
launch16 July 1969⤵date
⤵site
RDF
N 28° 27' 31''
W 80° 31' 59''
⤵⤵lat
long
.../1969-059A
../launch/
1969-059
Cape Canaveral
<../1969-059A> mass 28801.0 .<../1969-059A> name “Apollo 11 CSM” .<../1969-059A> name “Columbia” .<../1969-059A> prefName “Columbia” .<../1969-059A> launch <../launch/1969-059> .<../launch/1969-059> date 1969-07-16 .<../launch/1969-059> site <..site/capecanaveral> .<..site/capecanaveral> lat “N 28° 27' 31''” .<..site/capecanaveral> long “W 80° 31' 59''” .
prefName
http://nasa.dataincubator.org/spacecraft/1969-059A
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RDF Triple
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RDF Triple
Thing attribute value
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property
RDF Triple
Thing value
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property
RDF Triple
Thing value
Thing property Thing
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property
RDF Triple
Thing value
Thing property Thing
../person/A
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property
RDF Triple
Thing value
Thing property Thing
../person/A hasParent
![Page 58: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/58.jpg)
property
RDF Triple
Thing value
Thing property Thing
../person/B../person/A hasParent
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property
RDF Triple
Thing value
Thing property Thing
../person/B
../person/B
../person/A hasParent
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property
RDF Triple
Thing value
Thing property Thing
../person/B
name../person/B
../person/A hasParent
![Page 61: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/61.jpg)
property
“Eric”
RDF Triple
Thing value
Thing property Thing
../person/B
name../person/B
../person/A hasParent
![Page 62: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/62.jpg)
property
“Eric”
RDF Triple
Thing value
Thing property Thing
../person/B
name../person/B
../person/A hasParent
![Page 63: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/63.jpg)
property
“Eric”
RDF Triple
Thing value
Thing property Thing
name../person/B../person/A hasParent
Merging
![Page 64: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/64.jpg)
RDF TripleMerging
![Page 65: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/65.jpg)
RDF TripleMerging
The same identifier in a different place still identifies the same thing
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The world’s libraries. Connected.
Linked Data PrinciplesLinked Data Principles
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The world’s libraries. Connected.
Linked Data PrinciplesLinked Data Principles
1. Use URIs as names for things
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The world’s libraries. Connected.
Linked Data PrinciplesLinked Data Principles
1. Use URIs as names for things
2. Use HTTP URIs so people can look up those names
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The world’s libraries. Connected.
Linked Data PrinciplesLinked Data Principles
1. Use URIs as names for things
2. Use HTTP URIs so people can look up those names
3. When someone looks up a URI, provide useful information, using the standards - RDF
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The world’s libraries. Connected.
Linked Data PrinciplesLinked Data Principles
1. Use URIs as names for things
2. Use HTTP URIs so people can look up those names
3. When someone looks up a URI, provide useful information, using the standards - RDF
4. Include links to other URIs, so that they can discover more
Tim Berners-Lee - 2006
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The world’s libraries. Connected.
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The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard
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The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard SameAs
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The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard http://dbpedia.org/resource/MallardSameAs
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The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard http://dbpedia.org/resource/MallardSameAs
http://www.w3.org/2002/07/owl/sameAs
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The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard http://dbpedia.org/resource/MallardSameAs
primaryTopic http://blx1.bto.org/birdfacts/../bob1860.htm
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The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard http://dbpedia.org/resource/MallardSameAs
depiction http://open.live.bbc.co.uk/. mallard_1.jpg
primaryTopic http://blx1.bto.org/birdfacts/../bob1860.htm
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http://www.flickr.com/photos/jolieodell/4540783805
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http://www.flickr.com/photos/jolieodell/4540783805
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http://www.flickr.com/photos/ferretsunlimited/499495786
Linked Data
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http://www.flickr.com/photos/ferretsunlimited/499495786
Linked Data
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Linked Data WebThe
©AllPosters.com
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⤵
⤵⤵Linked Data Web
The
©AllPosters.com
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⤵
⤵⤵Linked Data Web
The
©AllPosters.com
at it’s core
link
Linking
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⤵
⤵⤵Linked Data Web
The
©AllPosters.com
at it’s core
link
Triples
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Data Open and/or LinkedData Open and/or Linked
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Data Open and/or Linked
1. Data can be open, while not being linked
Data Open and/or Linked
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Data Open and/or Linked
1. Data can be open, while not being linked
2. Data can be linked, while not being open
Data Open and/or Linked
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Data Open and/or Linked
1. Data can be open, while not being linked
2. Data can be linked, while not being open
3. Data which is both open and linked is increasingly viable
Data Open and/or Linked
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Data Open and/or Linked
Paul Walk - UKLON
1. Data can be open, while not being linked
2. Data can be linked, while not being open
3. Data which is both open and linked is increasingly viable
4. The Semantic Web can only function with data which is both open and linked
Data Open and/or Linked
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The world’s libraries. Connected.
Linked Data
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The world’s libraries. Connected.
Linked DataVIAF
http://viaf.orgHTML, RDF/XMLLicense: ODC-BY
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The world’s libraries. Connected.
Linked DataVIAF
http://viaf.orgHTML, RDF/XMLLicense: ODC-BY
Deweyhttp://dewey.infoHTML/RDFa, RDF/XML, Turtle, JSON - SPARQLLicense: CC BY-NC-ND
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The world’s libraries. Connected.
Linked DataVIAF
http://viaf.orgHTML, RDF/XMLLicense: ODC-BY
Deweyhttp://dewey.infoHTML/RDFa, RDF/XML, Turtle, JSON - SPARQLLicense: CC BY-NC-ND
FASThttp://id.worldcat.org/fastHTML, RDF/XML - DownloadLicense: ODC-BY
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The world’s libraries. Connected.
Linked Data
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The world’s libraries. Connected.
Linked Data• 270+ Million resources
![Page 131: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/131.jpg)
The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library
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The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa
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The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST
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The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY
![Page 135: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/135.jpg)
The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012
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The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012
![Page 152: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/152.jpg)
Download file
The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012
![Page 153: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/153.jpg)
Download file• Most widely held works
(250+ holdings)
The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012
![Page 154: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/154.jpg)
Download file• Most widely held works
(250+ holdings)
• 1.2 Million resources(80 million triples)
The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012
![Page 155: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/155.jpg)
Download file• Most widely held works
(250+ holdings)
• 1.2 Million resources(80 million triples)
• Schema.org + Library
The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012
![Page 156: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/156.jpg)
Download file• Most widely held works
(250+ holdings)
• 1.2 Million resources(80 million triples)
• Schema.org + Library• License: ODC-BY
The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012
![Page 157: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/157.jpg)
Download file• Most widely held works
(250+ holdings)
• 1.2 Million resources(80 million triples)
• Schema.org + Library• License: ODC-BY• August 2012
The world’s libraries. Connected.
Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH
LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012
![Page 158: The Single Power of Link - Richard Wallis](https://reader033.fdocuments.net/reader033/viewer/2022051613/54c65f834a795934598b4627/html5/thumbnails/158.jpg)
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http://www.oclc.org/data/attribution.html
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The world’s libraries. Connected.
Linked Data
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The world’s libraries. Connected.
Linked DataVIAF: http://viaf.org
Dewey: http://dewey.info
FAST: http://id.worldcat.org/fast
WorldCat: http://www.worldcat.org
WorldCat Most Widely Held Download: http://purl.oclc.org/dataset/WorldCatMostHighlyHeld
ODC-BY Attribution Guidelines: http://www.oclc.org/data/attribution.html
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The world’s libraries. Connected.
The Simple Power Of The Link
OCLC Asia Pacific Regional Council Meeting Kuala Lumpar, 4 September 2012
Richard Wallis
Technology EvangelistOCLC
@rjw