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OCLC Asia Pacific Regional Council Meeting
                                                    Kuala Lumpar, 4 September 2012




The Simple Power
Of The Link
Richard Wallis
Technology Evangelist
OCLC

@rjw




       The world’s libraries. Connected.
The Simple Power Of The Link




  The world’s libraries. Connected.
The Simple Power Of The Link

                 •     What is Linked Data
                 •     Who is using it
                 •     What are the benets
                 •     OCLC and Linked Data

  The world’s libraries. Connected.
Linked Data

               •     What is Linked Data
               •     Who is using it
               •     What are the benets
               •     OCLC and Linked Data

The world’s libraries. Connected.
Semantic Web?




The world’s libraries. Connected.
The Web?




The world’s libraries. Connected.
The Web?




HTML

 The world’s libraries. Connected.
The Web?



                                     URL
HTML

 The world’s libraries. Connected.
The Web?



                                     URL
HTML                                       http

 The world’s libraries. Connected.
The Web?
Microformats  RDFa     Ajax
 JQuery    XML      JSON
   CSS3 URL Javascript
        CSS    http Flash
HTML
HTML5                                  DOM   SEO
   The world’s libraries. Connected.
The Web?


           HTML                     http   URL




The world’s libraries. Connected.
The Web?


HTML   http   URL
The Web?
     HTML          http   URL
Text text text
text text link
text. Text, text
text text, text.
Text text - text
text - text text
text.
    Document
The Web?
     HTML          http     URL
Text text text            Text text text
text text link            text text.Text:
text. Text, text           • link
text text, text.           • link
Text text - text          Text text, text.
text - text text          Text text - link
text.                     text - text text.
    Document                  Document
The Web?
     HTML          http     URL
Text text text            Text text text
text text link            text text.Text:
text. Text, text           • link
text text, text.           • link
Text text - text          Text text, text.
text - text text          Text text - link
text.                     text - text text.
    Document                  Document
The Web?
     HTML                    http              URL
                                     page1
                        xamp le.com/
               http://e

Text text text                               Text text text
text text link                               text text.Text:
text. Text, text                              • link
text text, text.                              • link
Text text - text                             Text text, text.
text - text text                             Text text - link
text.                                        text - text text.
    Document                                     Document
The Web?
     HTML                    http              URL




                                                                            t
                                                                         lis
                                                                       k/
                                                                       .u
                                     page1
                             le.com/




                                                                   .co
                         amp




                                                                  eg
                        x
               http://e




                                                                 ://
                                                             tp
Text text text                               Text text text




                                                            ht
text text link                               text text.Text:
text. Text, text                              • link
text text, text.                              • link
Text text - text                             Text text, text.
text - text text                             Text text - link
text.                                        text - text text.
    Document                                     Document
The Web?



http://example.com/page1          http://eg.co.uk/list
                           Link
The Web?



                                                       link



Linking at it’s core
     http://www.flickr.com/photos/leapkye/4407661949
The Web?
     Powerful



                                                       link



Linking at it’s core
     http://www.flickr.com/photos/leapkye/4407661949
The Web?
     Powerful



                          link



Linking at it’s core
        ©AllPosters.com
The
      Web
The
      Semantic Web
The
           Semantic Web
Ai




                             re ss
                       d p
                    b a
              t a
           G o
                                Flying Cars Technology
Linked Data
Linked Data
Linked Data
   Linked Data


Built on Semantic Web Standards
Linked Data
      Linked Data


  Built on Semantic Web Standards
All about identifying and linking things

                              Th ing
Identifying things
Identifying things
Identifying things




                     1969-059A
Identifying things




                        1969-059A
              spacecraft/1969-059A
Identifying things




                                 1969-059A
                      spacecraft/1969-059A
nasa.dataincubator.org/spacecraft/1969-059A
Identifying things




                                        1969-059A
                             spacecraft/1969-059A
      nasa.dataincubator.org/spacecraft/1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Identifying things
                  with URIs




                                        1969-059A
                             spacecraft/1969-059A
      nasa.dataincubator.org/spacecraft/1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Things have attributes
http://nasa.dataincubator.org/spacecraft/1969-059A
Things have attributes
 http://nasa.dataincubator.org/spacecraft/1969-059A

28801.0kg
Things have attributes
 http://nasa.dataincubator.org/spacecraft/1969-059A

28801.0kg
Columbia
Things have attributes
 http://nasa.dataincubator.org/spacecraft/1969-059A

28801.0kg
Columbia
Apollo 11 CSM
CSM-107
United States
Cape Canaveral
Saturn 5
http://nasa.dataincubator.org/spacecraft/1969-059A
.../
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
28801.0
                        .../
                mass 1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Apollo 11 CSM


      28801.0            name
                        .../
                  mass
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Apollo 11 CSM               Columbia


      28801.0            name   name
                        .../
                  mass
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Apollo 11 CSM               Columbia


      28801.0            name   name
                                          prefName
                        .../
                  mass
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Apollo 11 CSM                 Columbia


      28801.0            name   name
                                            prefName
                        .../
                  mass
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
                                       launch
                                              ../
                                           launch/
                                          1969-059
Apollo 11 CSM                 Columbia


      28801.0            name   name
                                            prefName
                        .../
                  mass
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
                                        16 July 1969
                                       launch
                                              ../      date
                                           launch/
                                          1969-059
Apollo 11 CSM                 Columbia


      28801.0            name   name
                                            prefName
                        .../
                  mass
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
                                        16 July 1969
                                       launch
                                              ../            date
                                           launch/
                                          1969-059
                                                      site

                                                       Cape
                                                     Canaveral
Apollo 11 CSM                 Columbia


      28801.0            name   name
                                            prefName
                        .../
                  mass
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
                                        16 July 1969
                                       launch
                                              ../            date
                                           launch/
                                          1969-059
                                                      site

                                                       Cape
                                                     Canaveral        lat

                                                                    N 28° 27' 31''
                                                      long
                                                                 W 80° 31' 59''
RDF
           Apollo 11 CSM                 Columbia


      28801.0            name   name
                                            prefName
                        .../
                  mass
                     1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
                                        16 July 1969
                                       launch
                                              ../            date
                                           launch/
                                          1969-059
                                                      site

                                                       Cape
                                                     Canaveral        lat

                                                                    N 28° 27' 31''
                                                      long
                                                                 W 80° 31' 59''
RDF
                 Apollo 11 CSM                 Columbia


            28801.0            name   name
                                                  prefName
                            .../
                        mass
                         1969-059A
    http://nasa.dataincubator.org/spacecraft/1969-059A
                                            16 July 1969
                                             launch
                                                    ../            date
                                                 launch/
<../1969-059A> mass 28801.0 .                   1969-059
<../1969-059A> name “Apollo 11 CSM” .                       site
<../1969-059A> name “Columbia” .
                                                             Cape
<../1969-059A> prefName “Columbia” .
                                                           Canaveral        lat
<../1969-059A> launch <../launch/1969-059> .
<../launch/1969-059> date 1969-07-16 .
                                                                          N 28° 27' 31''
<../launch/1969-059> site <..site/capecanaveral> .          long
<..site/capecanaveral> lat “N 28° 27' 31''” .
                                                                       W 80° 31' 59''
<..site/capecanaveral> long “W 80° 31' 59''” .
RDF Triple
RDF Triple


Thing   attribute    value
RDF Triple


Thing   property     value
RDF Triple


Thing   property     value

Thing   property     Thing
RDF Triple


       Thing   property     value

       Thing   property     Thing

../person/A
RDF Triple


      Thing             property   value

      Thing             property   Thing

../person/A hasParent
RDF Triple


      Thing           property      value

      Thing           property      Thing

../person/A hasParent ../person/B
RDF Triple


      Thing           property      value

      Thing           property      Thing

../person/A hasParent ../person/B

../person/B
RDF Triple


      Thing           property      value

      Thing           property      Thing

../person/A hasParent ../person/B

../person/B   name
RDF Triple


      Thing           property      value

      Thing           property      Thing

../person/A hasParent ../person/B

../person/B   name     “Eric”
RDF Triple


      Thing           property            value

      Thing           property            Thing

../person/A hasParent ../person/B

                      ../person/B   name “Eric”
RDF Triple
                      Merging

      Thing           property            value

      Thing           property            Thing



../person/A hasParent ../person/B   name “Eric”
RDF Triple
 Merging
RDF Triple
             Merging




 The same identifier in a different
place still identifies the same thing
Linked Data Principles
Linked Data Principles




     The world’s libraries. Connected.
Linked Data Principles
Linked Data Principles




 1. Use URIs as names for things




     The world’s libraries. Connected.
Linked Data Principles
Linked Data Principles




 1. Use URIs as names for things
 2. Use HTTP URIs so people can look up those
    names




     The world’s libraries. Connected.
Linked Data Principles
Linked 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




     The world’s libraries. Connected.
Linked Data Principles
 Linked 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

      The world’s libraries. Connected.
The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard




          The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard       SameAs




          The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard       SameAs   http://dbpedia.org/resource/Mallard




          The world’s libraries. Connected.
ameAs
                                                                          07/ owl/s
                                                                     2/
                                                              rg /200
                                                      www.w3.o
                                                     /
                                              http:/




http://bbc.co.uk/nature/species/Mallard           SameAs        http://dbpedia.org/resource/Mallard




          The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard         SameAs       http://dbpedia.org/resource/Mallard

                                              primaryTopic   http://blx1.bto.org/birdfacts/../bob1860.htm




          The world’s libraries. Connected.
http://bbc.co.uk/nature/species/Mallard         SameAs       http://dbpedia.org/resource/Mallard

                                              primaryTopic   http://blx1.bto.org/birdfacts/../bob1860.htm

                                               depiction     http://open.live.bbc.co.uk/. mallard_1.jpg




          The world’s libraries. Connected.
http://www.flickr.com/photos/jolieodell/4540783805
http://www.flickr.com/photos/jolieodell/4540783805
Linked Data
              http://www.flickr.com/photos/ferretsunlimited/499495786
Linked Data
              http://www.flickr.com/photos/ferretsunlimited/499495786
The
      Linked Data Web




             ©AllPosters.com
The
      Linked Data Web




             ©AllPosters.com
The
      Linked Data Web




                                 link



       Linking at it’s core
               ©AllPosters.com
The
      Linked Data Web




                                 link



        Triples at it’s core
               ©AllPosters.com
Data Open and/or Linked
Data Open and/or Linked
Data Open and/or Linked
Data Open and/or Linked




    1.   Data can be open, while not being linked
Data Open and/or Linked
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
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
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
     4.   The Semantic Web can only function with data
          which is both open and linked




Paul Walk - UKLON
Linked Data




The world’s libraries. Connected.
Linked Data
VIAF
  http://viaf.org
  HTML, RDF/XML
  License: ODC-BY




The world’s libraries. Connected.
Linked Data
VIAF
  http://viaf.org
  HTML, RDF/XML
  License: ODC-BY

Dewey
  http://dewey.info
  HTML/RDFa, RDF/XML, Turtle, JSON - SPARQL
  License: CC BY-NC-ND




The world’s libraries. Connected.
Linked Data
VIAF
  http://viaf.org
  HTML, RDF/XML
  License: ODC-BY

Dewey
  http://dewey.info
  HTML/RDFa, RDF/XML, Turtle, JSON - SPARQL
  License: CC BY-NC-ND

FAST
  http://id.worldcat.org/fast
  HTML, RDF/XML - Download
  License: ODC-BY

The world’s libraries. Connected.
Linked Data




The world’s libraries. Connected.
Linked Data
            • 270+ Million resources




The world’s libraries. Connected.
Linked Data
            • 270+ Million resources
            • Schema.org + Library




The world’s libraries. Connected.
Linked Data
            • 270+ Million resources
            • Schema.org + Library
            • Embedded RDFa




The world’s libraries. Connected.
Linked Data
            •   270+ Million resources
            •   Schema.org + Library
            •   Embedded RDFa
            •   Links to: Dewey, LCSH
                LCNAF, DOI, VIAF, FAST




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



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

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

The world’s libraries. Connected.
Linked Data
•   270+ Million resources                    Download file
•   Schema.org + Library
•   Embedded RDFa
•   Links to: Dewey, LCSH
    LCNAF, DOI, VIAF, FAST
•   License: ODC-BY
•   Experimental - June 2012

        The world’s libraries. Connected.
Linked Data
•   270+ Million resources                    Download file
•   Schema.org + Library                      • Most widely held works
                                               (250+ holdings)
•   Embedded RDFa
•   Links to: Dewey, LCSH
    LCNAF, DOI, VIAF, FAST
•   License: ODC-BY
•   Experimental - June 2012

        The world’s libraries. Connected.
Linked Data
•   270+ Million resources                    Download file
•   Schema.org + Library                      • Most widely held works
                                               (250+ holdings)
•   Embedded RDFa
                                              • 1.2 Million resources
•   Links to: Dewey, LCSH                      (80 million triples)
    LCNAF, DOI, VIAF, FAST
•   License: ODC-BY
•   Experimental - June 2012

        The world’s libraries. Connected.
Linked Data
•   270+ Million resources                    Download file
•   Schema.org + Library                      • Most widely held works
                                               (250+ holdings)
•   Embedded RDFa
                                              • 1.2 Million resources
•   Links to: Dewey, LCSH                      (80 million triples)
    LCNAF, DOI, VIAF, FAST                    • Schema.org + Library
•   License: ODC-BY
•   Experimental - June 2012

        The world’s libraries. Connected.
Linked Data
•   270+ Million resources                    Download file
•   Schema.org + Library                      • Most widely held works
                                               (250+ holdings)
•   Embedded RDFa
                                              • 1.2 Million resources
•   Links to: Dewey, LCSH                      (80 million triples)
    LCNAF, DOI, VIAF, FAST                    • Schema.org + Library
•   License: ODC-BY                           • License: ODC-BY
•   Experimental - June 2012

        The world’s libraries. Connected.
Linked Data
•   270+ Million resources                    Download file
•   Schema.org + Library                      • Most widely held works
                                               (250+ holdings)
•   Embedded RDFa
                                              • 1.2 Million resources
•   Links to: Dewey, LCSH                      (80 million triples)
    LCNAF, DOI, VIAF, FAST                    • Schema.org + Library
•   License: ODC-BY                           • License: ODC-BY
•   Experimental - June 2012                  • August 2012

        The world’s libraries. Connected.
http://www.oclc.org/data/attribution.html
Linked Data




The world’s libraries. Connected.
Linked Data
VIAF:               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


        The world’s libraries. Connected.
                                                           data@oclc.org
OCLC Asia Pacific Regional Council Meeting
                                                    Kuala Lumpar, 4 September 2012




The Simple Power
Of The Link
Richard Wallis
Technology Evangelist
OCLC

@rjw




       The world’s libraries. Connected.

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The Single Power of Link - Richard Wallis

  • 1. OCLC Asia Pacific Regional Council Meeting Kuala Lumpar, 4 September 2012 The Simple Power Of The Link Richard Wallis Technology Evangelist OCLC @rjw The world’s libraries. Connected.
  • 2. The Simple Power Of The Link The world’s libraries. Connected.
  • 3. The Simple Power Of The Link • What is Linked Data • Who is using it • What are the benets • OCLC and Linked Data The world’s libraries. Connected.
  • 4. Linked Data • What is Linked Data • Who is using it • What are the benets • OCLC and Linked Data The world’s libraries. Connected.
  • 5. Semantic Web? The world’s libraries. Connected.
  • 6. The Web? The world’s libraries. Connected.
  • 7. The Web? HTML The world’s libraries. Connected.
  • 8. The Web? URL HTML The world’s libraries. Connected.
  • 9. The Web? URL HTML http The world’s libraries. Connected.
  • 10. The Web? Microformats RDFa Ajax JQuery XML JSON CSS3 URL Javascript CSS http Flash HTML HTML5 DOM SEO The world’s libraries. Connected.
  • 11. The Web? HTML http URL The world’s libraries. Connected.
  • 12. The Web? HTML http URL
  • 13. The Web? HTML http URL Text text text text text link text. Text, text text text, text. Text text - text text - text text text. Document
  • 14. The Web? HTML http URL Text text text Text text text text text link text text.Text: text. Text, text • link text text, text. • link Text text - text Text text, text. text - text text Text text - link text. text - text text. Document Document
  • 15. The Web? HTML http URL Text text text Text text text text text link text text.Text: text. Text, text • link text text, text. • link Text text - text Text text, text. text - text text Text text - link text. text - text text. Document Document
  • 16. The Web? HTML http URL page1 xamp le.com/ http://e Text text text Text text text text text link text text.Text: text. Text, text • link text text, text. • link Text text - text Text text, text. text - text text Text text - link text. text - text text. Document Document
  • 17. The Web? HTML http URL t lis k/ .u page1 le.com/ .co amp eg x http://e :// tp Text text text Text text text ht text text link text text.Text: text. Text, text • link text text, text. • link Text text - text Text text, text. text - text text Text text - link text. text - text text. Document Document
  • 18. The Web? http://example.com/page1 http://eg.co.uk/list Link
  • 19. The Web? link Linking at it’s core http://www.flickr.com/photos/leapkye/4407661949
  • 20. The Web? Powerful link Linking at it’s core http://www.flickr.com/photos/leapkye/4407661949
  • 21. The Web? Powerful link Linking at it’s core ©AllPosters.com
  • 22. The Web
  • 23. The Semantic Web
  • 24. The Semantic Web Ai re ss d p b a t a G o Flying Cars Technology
  • 26. Linked Data Linked Data Built on Semantic Web Standards
  • 27. Linked Data Linked Data Built on Semantic Web Standards All about identifying and linking things Th ing
  • 30. Identifying things 1969-059A
  • 31. Identifying things 1969-059A spacecraft/1969-059A
  • 32. Identifying things 1969-059A spacecraft/1969-059A nasa.dataincubator.org/spacecraft/1969-059A
  • 33. Identifying things 1969-059A spacecraft/1969-059A nasa.dataincubator.org/spacecraft/1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 34. Identifying things with URIs 1969-059A spacecraft/1969-059A nasa.dataincubator.org/spacecraft/1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 36. Things have attributes http://nasa.dataincubator.org/spacecraft/1969-059A 28801.0kg
  • 37. Things have attributes http://nasa.dataincubator.org/spacecraft/1969-059A 28801.0kg Columbia
  • 38. Things have attributes http://nasa.dataincubator.org/spacecraft/1969-059A 28801.0kg Columbia Apollo 11 CSM CSM-107 United States Cape Canaveral Saturn 5
  • 40. .../ 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 41. 28801.0 .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 42. Apollo 11 CSM 28801.0 name .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 43. Apollo 11 CSM Columbia 28801.0 name name .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 44. Apollo 11 CSM Columbia 28801.0 name name prefName .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 45. Apollo 11 CSM Columbia 28801.0 name name prefName .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A launch ../ launch/ 1969-059
  • 46. Apollo 11 CSM Columbia 28801.0 name name prefName .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A 16 July 1969 launch ../ date launch/ 1969-059
  • 47. Apollo 11 CSM Columbia 28801.0 name name prefName .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A 16 July 1969 launch ../ date launch/ 1969-059 site Cape Canaveral
  • 48. Apollo 11 CSM Columbia 28801.0 name name prefName .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A 16 July 1969 launch ../ date launch/ 1969-059 site Cape Canaveral lat N 28° 27' 31'' long W 80° 31' 59''
  • 49. RDF Apollo 11 CSM Columbia 28801.0 name name prefName .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A 16 July 1969 launch ../ date launch/ 1969-059 site Cape Canaveral lat N 28° 27' 31'' long W 80° 31' 59''
  • 50. RDF Apollo 11 CSM Columbia 28801.0 name name prefName .../ mass 1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A 16 July 1969 launch ../ date launch/ <../1969-059A> mass 28801.0 . 1969-059 <../1969-059A> name “Apollo 11 CSM” . site <../1969-059A> name “Columbia” . Cape <../1969-059A> prefName “Columbia” . Canaveral lat <../1969-059A> launch <../launch/1969-059> . <../launch/1969-059> date 1969-07-16 . N 28° 27' 31'' <../launch/1969-059> site <..site/capecanaveral> . long <..site/capecanaveral> lat “N 28° 27' 31''” . W 80° 31' 59'' <..site/capecanaveral> long “W 80° 31' 59''” .
  • 51.
  • 53. RDF Triple Thing attribute value
  • 54. RDF Triple Thing property value
  • 55. RDF Triple Thing property value Thing property Thing
  • 56. RDF Triple Thing property value Thing property Thing ../person/A
  • 57. RDF Triple Thing property value Thing property Thing ../person/A hasParent
  • 58. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B
  • 59. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B ../person/B
  • 60. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B ../person/B name
  • 61. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B ../person/B name “Eric”
  • 62. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B ../person/B name “Eric”
  • 63. RDF Triple Merging Thing property value Thing property Thing ../person/A hasParent ../person/B name “Eric”
  • 65. RDF Triple Merging The same identifier in a different place still identifies the same thing
  • 66.
  • 67.
  • 68.
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  • 90.
  • 91. Linked Data Principles Linked Data Principles The world’s libraries. Connected.
  • 92. Linked Data Principles Linked Data Principles 1. Use URIs as names for things The world’s libraries. Connected.
  • 93. Linked Data Principles Linked Data Principles 1. Use URIs as names for things 2. Use HTTP URIs so people can look up those names The world’s libraries. Connected.
  • 94. Linked Data Principles Linked 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 The world’s libraries. Connected.
  • 95. Linked Data Principles Linked 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 The world’s libraries. Connected.
  • 97. http://bbc.co.uk/nature/species/Mallard The world’s libraries. Connected.
  • 98. http://bbc.co.uk/nature/species/Mallard SameAs The world’s libraries. Connected.
  • 99. http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard The world’s libraries. Connected.
  • 100. ameAs 07/ owl/s 2/ rg /200 www.w3.o / http:/ http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard The world’s libraries. Connected.
  • 101. http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard primaryTopic http://blx1.bto.org/birdfacts/../bob1860.htm The world’s libraries. Connected.
  • 102. http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard primaryTopic http://blx1.bto.org/birdfacts/../bob1860.htm depiction http://open.live.bbc.co.uk/. mallard_1.jpg The world’s libraries. Connected.
  • 103.
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  • 114. Linked Data http://www.flickr.com/photos/ferretsunlimited/499495786
  • 115. Linked Data http://www.flickr.com/photos/ferretsunlimited/499495786
  • 116. The Linked Data Web ©AllPosters.com
  • 117. The Linked Data Web ©AllPosters.com
  • 118. The Linked Data Web link Linking at it’s core ©AllPosters.com
  • 119. The Linked Data Web link Triples at it’s core ©AllPosters.com
  • 120. Data Open and/or Linked Data Open and/or Linked
  • 121. Data Open and/or Linked Data Open and/or Linked 1. Data can be open, while not being linked
  • 122. Data Open and/or Linked Data Open and/or Linked 1. Data can be open, while not being linked 2. Data can be linked, while not being open
  • 123. Data Open and/or Linked 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
  • 124. Data Open and/or Linked 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 4. The Semantic Web can only function with data which is both open and linked Paul Walk - UKLON
  • 125. Linked Data The world’s libraries. Connected.
  • 126. Linked Data VIAF http://viaf.org HTML, RDF/XML License: ODC-BY The world’s libraries. Connected.
  • 127. Linked Data VIAF http://viaf.org HTML, RDF/XML License: ODC-BY Dewey http://dewey.info HTML/RDFa, RDF/XML, Turtle, JSON - SPARQL License: CC BY-NC-ND The world’s libraries. Connected.
  • 128. Linked Data VIAF http://viaf.org HTML, RDF/XML License: ODC-BY Dewey http://dewey.info HTML/RDFa, RDF/XML, Turtle, JSON - SPARQL License: CC BY-NC-ND FAST http://id.worldcat.org/fast HTML, RDF/XML - Download License: ODC-BY The world’s libraries. Connected.
  • 129. Linked Data The world’s libraries. Connected.
  • 130. Linked Data • 270+ Million resources The world’s libraries. Connected.
  • 131. Linked Data • 270+ Million resources • Schema.org + Library The world’s libraries. Connected.
  • 132. Linked Data • 270+ Million resources • Schema.org + Library • Embedded RDFa The world’s libraries. Connected.
  • 133. Linked Data • 270+ Million resources • Schema.org + Library • Embedded RDFa • Links to: Dewey, LCSH LCNAF, DOI, VIAF, FAST The world’s libraries. Connected.
  • 134. Linked Data • 270+ Million resources • Schema.org + Library • Embedded RDFa • Links to: Dewey, LCSH LCNAF, DOI, VIAF, FAST • License: ODC-BY The world’s libraries. Connected.
  • 135. Linked Data • 270+ Million resources • Schema.org + Library • Embedded RDFa • Links to: Dewey, LCSH LCNAF, DOI, VIAF, FAST • License: ODC-BY • Experimental - June 2012 The world’s libraries. Connected.
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  • 151. Linked Data • 270+ Million resources • Schema.org + Library • Embedded RDFa • Links to: Dewey, LCSH LCNAF, DOI, VIAF, FAST • License: ODC-BY • Experimental - June 2012 The world’s libraries. Connected.
  • 152. Linked Data • 270+ Million resources Download file • Schema.org + Library • Embedded RDFa • Links to: Dewey, LCSH LCNAF, DOI, VIAF, FAST • License: ODC-BY • Experimental - June 2012 The world’s libraries. Connected.
  • 153. Linked Data • 270+ Million resources Download file • Schema.org + Library • Most widely held works (250+ holdings) • Embedded RDFa • Links to: Dewey, LCSH LCNAF, DOI, VIAF, FAST • License: ODC-BY • Experimental - June 2012 The world’s libraries. Connected.
  • 154. Linked Data • 270+ Million resources Download file • Schema.org + Library • Most widely held works (250+ holdings) • Embedded RDFa • 1.2 Million resources • Links to: Dewey, LCSH (80 million triples) LCNAF, DOI, VIAF, FAST • License: ODC-BY • Experimental - June 2012 The world’s libraries. Connected.
  • 155. Linked Data • 270+ Million resources Download file • Schema.org + Library • Most widely held works (250+ holdings) • Embedded RDFa • 1.2 Million resources • Links to: Dewey, LCSH (80 million triples) LCNAF, DOI, VIAF, FAST • Schema.org + Library • License: ODC-BY • Experimental - June 2012 The world’s libraries. Connected.
  • 156. Linked Data • 270+ Million resources Download file • Schema.org + Library • Most widely held works (250+ holdings) • Embedded RDFa • 1.2 Million resources • Links to: Dewey, LCSH (80 million triples) LCNAF, DOI, VIAF, FAST • Schema.org + Library • License: ODC-BY • License: ODC-BY • Experimental - June 2012 The world’s libraries. Connected.
  • 157. Linked Data • 270+ Million resources Download file • Schema.org + Library • Most widely held works (250+ holdings) • Embedded RDFa • 1.2 Million resources • Links to: Dewey, LCSH (80 million triples) LCNAF, DOI, VIAF, FAST • Schema.org + Library • License: ODC-BY • License: ODC-BY • Experimental - June 2012 • August 2012 The world’s libraries. Connected.
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  • 162. Linked Data The world’s libraries. Connected.
  • 163. Linked Data VIAF: 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 The world’s libraries. Connected. data@oclc.org
  • 164. OCLC Asia Pacific Regional Council Meeting Kuala Lumpar, 4 September 2012 The Simple Power Of The Link Richard Wallis Technology Evangelist OCLC @rjw The world’s libraries. Connected.