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The Simple Power
       of the Link

               Richard Wallis
        Technology Evangelist




   http://consulting.talis.com
The Simple Power
       of the Link

               Richard Wallis
        Technology Evangelist




    http://consulting.talis.com
Leading Semantic Web
          Technology




      http://consulting.talis.com
40 Year Rich
    Metadata Heritage




Leading Semantic Web
          Technology

      http://consulting.talis.com
Shared Innovation
               Ethos

         40 Year Rich
    Metadata Heritage

Leading Semantic Web
          Technology

      http://consulting.talis.com
The Simple Power
       of the Link




    http://consulting.talis.com
Semantic Web?
The Web?
The Web?




HTML
The Web?


         URL
HTML
The Web?


         URL
HTML           http
The Web?
Microformats    RDFa     Ajax
 JQuery     XML       JSON
   CSS3     URL
                    Javascript
        CSS     http Flash
HTML
HTML5          DOM     SEO
The Web?

HTML   http   URL
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           ā€¢ link
text text, text.           ā€¢ 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           ā€¢ link
text text, text.           ā€¢ link
Text text - text          Text text, text.
text - text text          Text text - link
text.                     text - text text.
 Document                  Document
The Web?
     HTML                    http m  /page1
                                                URL
                         a mple.co
               h ttp://ex

Text text text                                Text text text
text text link                                text text.Text:
text. Text, text                               ā€¢ link
text text, text.                               ā€¢ link
Text text - text                              Text text, text.
text - text text                              Text text - link
text.                                         text - text text.
 Document                                      Document
The Web?
     HTML                    http               URL




                                                                           list
                                                                        k/
                                                                       .u
                                     /page1




                                                                       .co
                                  m
                         a mple.co




                                                                     eg
               h ttp://ex




                                                                  ://
                                                              tp
Text text text                                Text text text




                                                             ht
text text link                                text text.Text:
text. Text, text                               ā€¢ link
text text, text.                               ā€¢ 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?




Linking at itā€™s core
      http://www.ļ¬‚ickr.com/photos/leapkye/4407661949
The Web?
     Powerful




Linking at itā€™s core
      http://www.ļ¬‚ickr.com/photos/leapkye/4407661949
The Web?
     Powerful



                          link



Linking at itā€™s core
        Ā©AllPosters.com
The Web
The Semantic Web
The Semantic Web
A i


                          e s s
                       p r
                 a d
              a b
        o t
      G                      Flying Cars Technology
Linked Data
Linked Data
Built on Semantic Web Standards
Linked Data
  Built on Semantic Web Standards
All about identifying and linking things

                              Thi ng
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
http://nasa.dataincubator.org/spacecraft/1969-059A




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

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

                             name
       28801.0                         name
                 mass .../1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
                                    launch

                                      ../launch/
                                      1969-059
Apollo 11 CSM       Columbia

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

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

                                                      Cape
                                                    Canaveral
Apollo 11 CSM       Columbia

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

                                                      Cape
                                                    Canaveral       lat

                                                                N 28Ā° 27' 31''
Apollo 11 CSM       Columbia

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

                                                      Cape
                                                    Canaveral       lat

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

                                  name
            28801.0                           name
                 mass .../1969-059A     16 July 1969
http://nasa.dataincubator.org/spacecraft/1969-059A
                                           launch
                                                                    date
                                              ../launch/
<../1969-059A> mass 28801.0 .                 1969-059
                                                             site
<../1969-059A> name ā€œApollo 11 CSMā€ .
<../1969-059A> name ā€œColumbiaā€ .
                                                             Cape
<../1969-059A> launch <../launch/1969-059> .               Canaveral       lat
<../launch/1969-059> date 1969-07-16 .
<../launch/1969-059> site <..site/capecanaveral> .                       N 28Ā° 27' 31''
                                                            long
<..site/capecanaveral> lat ā€œN 28Ā° 27' 31''ā€ .
<..site/capecanaveral> long ā€œW 80Ā° 31' 59''ā€ .                         W 80Ā° 31' 59''
RDF
                      Apollo 11 CSM          Columbia

                                  name
            28801.0                           name
                 mass .../1969-059A     16 July 1969
http://nasa.dataincubator.org/spacecraft/1969-059A
                                           launch
                                                                    date
                                              ../launch/
<../1969-059A> mass 28801.0 .                 1969-059
                                                             site
<../1969-059A> name ā€œApollo 11 CSMā€ .
<../1969-059A> name ā€œColumbiaā€ .
                                                             Cape
<../1969-059A> launch <../launch/1969-059> .               Canaveral       lat
<../launch/1969-059> date 1969-07-16 .
<../launch/1969-059> site <..site/capecanaveral> .                       N 28Ā° 27' 31''
                                                            long
<..site/capecanaveral> lat ā€œN 28Ā° 27' 31''ā€ .
<..site/capecanaveral> long ā€œW 80Ā° 31' 59''ā€ .                         W 80Ā° 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       ā€œEricā€
RDF Triple
                      Merging

      Thing           property             value
      Thing           property             Thing

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

                      ../person/B   name   ā€œEricā€
RDF Triple
                      Merging

      Thing           property             value
      Thing           property             Thing


../person/A hasParent ../person/B   name   ā€œEricā€
RDF Triple
 Merging
RDF Triple
            Merging




The same identiļ¬er in a different
  place is still the same thing
Linked Data Principles
Linked Data Principles

1. Use URIs as names for names of things
Linked Data Principles

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

1. Use URIs as names for names of 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
Linked Data Principles

      1. Use URIs as names for names of 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
http://bbc.co.uk/nature/species/Mallard
http://bbc.co.uk/nature/species/Mallard   SameAs
http://bbc.co.uk/nature/species/Mallard   SameAs   http://dbpedia.org/resource/Mallard
s
                                                                           wl/s ameA
                                                                      7/o
                                                            /2   002/0
                                                    w 3.org
                                            /   www.
                                     http:/




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

                                      primaryTopic http://blx1.bto.org/birdfacts/../bob1860.htm
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
http://www.ļ¬‚ickr.com/photos/jolieodell/4540783805
http://www.ļ¬‚ickr.com/photos/jolieodell/4540783805
Linked Data
              http://www.ļ¬‚ickr.com/photos/ferretsunlimited/499495786
Linked Data
              http://www.ļ¬‚ickr.com/photos/ferretsunlimited/499495786
The Linked Data Web
        Powerful



                             link



   Linking at itā€™s core
           Ā©AllPosters.com
The Linked Data Web
        Powerful



                             link



   Triples at itā€™s core
           Ā©AllPosters.com
The Simple Power
       of the Link

               Richard Wallis
        Technology Evangelist




   http://consulting.talis.com
The Simple Power
                               of the Link

                                            Richard Wallis
                                     Technology Evangelist




http://www.slideshare.net/rjw
                                http://consulting.talis.com
This work is Copyright Ā© 2011 Talis Systems Limited.
It is licensed under the Creative Commons Attribution 3.0 Unported License.
Full details at: http://creativecommons.org/licenses/by/3.0/


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Schema.org where did that come from?
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Contextual Computing - Knowledge Graphs & Web of Entities
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Schema.org: Where did that come from!
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Contextual Computing: Laying a Global Data Foundation
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The Simple Power of the Link

  • 1. The Simple Power of the Link Richard Wallis Technology Evangelist http://consulting.talis.com
  • 2. The Simple Power of the Link Richard Wallis Technology Evangelist http://consulting.talis.com
  • 3. Leading Semantic Web Technology http://consulting.talis.com
  • 4. 40 Year Rich Metadata Heritage Leading Semantic Web Technology http://consulting.talis.com
  • 5. Shared Innovation Ethos 40 Year Rich Metadata Heritage Leading Semantic Web Technology http://consulting.talis.com
  • 6. The Simple Power of the Link http://consulting.talis.com
  • 10. The Web? URL HTML
  • 11. The Web? URL HTML http
  • 12. The Web? Microformats RDFa Ajax JQuery XML JSON CSS3 URL Javascript CSS http Flash HTML HTML5 DOM SEO
  • 13. The Web? HTML http URL
  • 14. The Web? HTML http URL
  • 15. 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
  • 16. The Web? HTML http URL Text text text Text text text text text link text text.Text: text. Text, text ā€¢ link text text, text. ā€¢ 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 Text text text Text text text text text link text text.Text: text. Text, text ā€¢ link text text, text. ā€¢ link Text text - text Text text, text. text - text text Text text - link text. text - text text. Document Document
  • 18. The Web? HTML http m /page1 URL a mple.co h ttp://ex Text text text Text text text text text link text text.Text: text. Text, text ā€¢ link text text, text. ā€¢ link Text text - text Text text, text. text - text text Text text - link text. text - text text. Document Document
  • 19. The Web? HTML http URL list k/ .u /page1 .co m a mple.co eg h ttp://ex :// tp Text text text Text text text ht text text link text text.Text: text. Text, text ā€¢ link text text, text. ā€¢ link Text text - text Text text, text. text - text text Text text - link text. text - text text. Document Document
  • 20. The Web? http://example.com/page1 http://eg.co.uk/list Link
  • 21. The Web? Linking at itā€™s core http://www.ļ¬‚ickr.com/photos/leapkye/4407661949
  • 22. The Web? Powerful Linking at itā€™s core http://www.ļ¬‚ickr.com/photos/leapkye/4407661949
  • 23. The Web? Powerful link Linking at itā€™s core Ā©AllPosters.com
  • 26. The Semantic Web A i e s s p r a d a b o t G Flying Cars Technology
  • 28. Linked Data Built on Semantic Web Standards
  • 29. Linked Data Built on Semantic Web Standards All about identifying and linking things Thi ng
  • 32. Identifying things 1969-059A
  • 33. Identifying things 1969-059A spacecraft/1969-059A
  • 34. Identifying things 1969-059A spacecraft/1969-059A nasa.dataincubator.org/spacecraft/1969-059A
  • 35. Identifying things 1969-059A spacecraft/1969-059A nasa.dataincubator.org/spacecraft/1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 36. Identifying things with URIs 1969-059A spacecraft/1969-059A nasa.dataincubator.org/spacecraft/1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 44. 28801.0 mass .../1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 45. Apollo 11 CSM 28801.0 name mass .../1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 46. Apollo 11 CSM Columbia name 28801.0 name mass .../1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A
  • 47. Apollo 11 CSM Columbia name 28801.0 name mass .../1969-059A http://nasa.dataincubator.org/spacecraft/1969-059A launch ../launch/ 1969-059
  • 48. Apollo 11 CSM Columbia name 28801.0 name mass .../1969-059A 16 July 1969 http://nasa.dataincubator.org/spacecraft/1969-059A launch date ../launch/ 1969-059
  • 49. Apollo 11 CSM Columbia name 28801.0 name mass .../1969-059A 16 July 1969 http://nasa.dataincubator.org/spacecraft/1969-059A launch date ../launch/ 1969-059 site Cape Canaveral
  • 50. Apollo 11 CSM Columbia name 28801.0 name mass .../1969-059A 16 July 1969 http://nasa.dataincubator.org/spacecraft/1969-059A launch date ../launch/ 1969-059 site Cape Canaveral lat N 28Ā° 27' 31''
  • 51. Apollo 11 CSM Columbia name 28801.0 name mass .../1969-059A 16 July 1969 http://nasa.dataincubator.org/spacecraft/1969-059A launch date ../launch/ 1969-059 site Cape Canaveral lat N 28Ā° 27' 31'' long W 80Ā° 31' 59''
  • 52. Apollo 11 CSM Columbia name 28801.0 name mass .../1969-059A 16 July 1969 http://nasa.dataincubator.org/spacecraft/1969-059A launch date ../launch/ <../1969-059A> mass 28801.0 . 1969-059 site <../1969-059A> name ā€œApollo 11 CSMā€ . <../1969-059A> name ā€œColumbiaā€ . Cape <../1969-059A> launch <../launch/1969-059> . Canaveral lat <../launch/1969-059> date 1969-07-16 . <../launch/1969-059> site <..site/capecanaveral> . N 28Ā° 27' 31'' long <..site/capecanaveral> lat ā€œN 28Ā° 27' 31''ā€ . <..site/capecanaveral> long ā€œW 80Ā° 31' 59''ā€ . W 80Ā° 31' 59''
  • 53. RDF Apollo 11 CSM Columbia name 28801.0 name mass .../1969-059A 16 July 1969 http://nasa.dataincubator.org/spacecraft/1969-059A launch date ../launch/ <../1969-059A> mass 28801.0 . 1969-059 site <../1969-059A> name ā€œApollo 11 CSMā€ . <../1969-059A> name ā€œColumbiaā€ . Cape <../1969-059A> launch <../launch/1969-059> . Canaveral lat <../launch/1969-059> date 1969-07-16 . <../launch/1969-059> site <..site/capecanaveral> . N 28Ā° 27' 31'' long <..site/capecanaveral> lat ā€œN 28Ā° 27' 31''ā€ . <..site/capecanaveral> long ā€œW 80Ā° 31' 59''ā€ . W 80Ā° 31' 59''
  • 54.
  • 55.
  • 57. RDF Triple Thing attribute value
  • 58. RDF Triple Thing property value
  • 59. RDF Triple Thing property value Thing property Thing
  • 60. RDF Triple Thing property value Thing property Thing ../person/A
  • 61. RDF Triple Thing property value Thing property Thing ../person/A hasParent
  • 62. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B
  • 63. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B ../person/B
  • 64. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B ../person/B name
  • 65. RDF Triple Thing property value Thing property Thing ../person/A hasParent ../person/B ../person/B name ā€œEricā€
  • 66. RDF Triple Merging Thing property value Thing property Thing ../person/A hasParent ../person/B ../person/B name ā€œEricā€
  • 67. RDF Triple Merging Thing property value Thing property Thing ../person/A hasParent ../person/B name ā€œEricā€
  • 69. RDF Triple Merging The same identiļ¬er in a different place is still the same thing
  • 70.
  • 71.
  • 72.
  • 73.
  • 74.
  • 75.
  • 76.
  • 77.
  • 78.
  • 79.
  • 80.
  • 81.
  • 82.
  • 83.
  • 85. Linked Data Principles 1. Use URIs as names for names of things
  • 86. Linked Data Principles 1. Use URIs as names for names of things 2. Use HTTP URIs so people can look up those names
  • 87. Linked Data Principles 1. Use URIs as names for names of 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
  • 88. Linked Data Principles 1. Use URIs as names for names of 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
  • 89.
  • 92. http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard
  • 93. s wl/s ameA 7/o /2 002/0 w 3.org / www. http:/ http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard
  • 94. http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard primaryTopic http://blx1.bto.org/birdfacts/../bob1860.htm
  • 95. 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
  • 96.
  • 97.
  • 98.
  • 99.
  • 102. Linked Data http://www.ļ¬‚ickr.com/photos/ferretsunlimited/499495786
  • 103. Linked Data http://www.ļ¬‚ickr.com/photos/ferretsunlimited/499495786
  • 104. The Linked Data Web Powerful link Linking at itā€™s core Ā©AllPosters.com
  • 105. The Linked Data Web Powerful link Triples at itā€™s core Ā©AllPosters.com
  • 106. The Simple Power of the Link Richard Wallis Technology Evangelist http://consulting.talis.com
  • 107. The Simple Power of the Link Richard Wallis Technology Evangelist http://www.slideshare.net/rjw http://consulting.talis.com
  • 108. This work is Copyright Ā© 2011 Talis Systems Limited. It is licensed under the Creative Commons Attribution 3.0 Unported License. Full details at: http://creativecommons.org/licenses/by/3.0/ You are free: to Share ā€” to copy, distribute and transmit the work to Remix ā€” to adapt the work Under the following conditions: Attribution. You must attribute the work in the manner speciļ¬ed by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). ā€¢ For any reuse or distribution, you must make clear to others the license terms of this work. ā€¢ Any of the above conditions can be waived if you get permission from the copyright holder. ā€¢ Nothing in this license impairs or restricts the author's moral rights. ā€¢ Some Content in the work may be licensed under different terms, this is noted separately.

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  107. build up the URI from an identifier and make it [globally] unique\nApollo 11?\n
  108. build up the URI from an identifier and make it [globally] unique\nApollo 11?\n
  109. build up the URI from an identifier and make it [globally] unique\nApollo 11?\n
  110. build up the URI from an identifier and make it [globally] unique\nApollo 11?\n
  111. build up the URI from an identifier and make it [globally] unique\nApollo 11?\n
  112. build up the URI from an identifier and make it [globally] unique\nApollo 11?\n
  113. Literal attributes - name, mass, creation date\nother thing attributes - web page, launch vehicle, launch site\n
  114. Literal attributes - name, mass, creation date\nother thing attributes - web page, launch vehicle, launch site\n
  115. Literal attributes - name, mass, creation date\nother thing attributes - web page, launch vehicle, launch site\n
  116. Literal attributes - name, mass, creation date\nother thing attributes - web page, launch vehicle, launch site\n
  117. Literal attributes - name, mass, creation date\nother thing attributes - web page, launch vehicle, launch site\n
  118. Literal attributes - name, mass, creation date\nother thing attributes - web page, launch vehicle, launch site\n
  119. Literal attributes - name, mass, creation date\nother thing attributes - web page, launch vehicle, launch site\n
  120. Literal attributes - name, mass, creation date\nother thing attributes - web page, launch vehicle, launch site\n
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  160. thing - prop - thing\n - prop - thing\n - prop - name\n
  161. thing - prop - thing\n - prop - thing\n - prop - name\n
  162. thing - prop - thing\n - prop - thing\n - prop - name\n
  163. thing - prop - thing\n - prop - thing\n - prop - name\n
  164. thing - prop - thing\n - prop - thing\n - prop - name\n
  165. thing - prop - thing\n - prop - thing\n - prop - name\n
  166. thing - prop - thing\n - prop - thing\n - prop - name\n
  167. thing - prop - thing\n - prop - thing\n - prop - name\n
  168. thing - prop - thing\n - prop - thing\n - prop - name\n
  169. thing - prop - thing\n - prop - thing\n - prop - name\n
  170. thing - prop - thing\n - prop - thing\n - prop - name\n
  171. thing - prop - thing\n - prop - thing\n - prop - name\n
  172. thing - prop - thing\n - prop - thing\n - prop - name\n
  173. thing - prop - thing\n - prop - thing\n - prop - name\n
  174. thing - prop - thing\n - prop - thing\n - prop - name\n
  175. thing - prop - thing\n - prop - thing\n - prop - name\n
  176. thing - prop - thing\n - prop - thing\n - prop - name\n
  177. thing - prop - thing\n - prop - thing\n - prop - name\n
  178. thing - prop - thing\n - prop - thing\n - prop - name\n
  179. thing - prop - thing\n - prop - thing\n - prop - name\n
  180. thing - prop - thing\n - prop - thing\n - prop - name\n
  181. thing - prop - thing\n - prop - thing\n - prop - name\n
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  233. The same web, the same HTTP protocols allow machines to navigate the web.\n\nlets see how.\n
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