The document discusses the core concepts and principles of linked data and the semantic web. It explains how linked data uses URIs to identify real-world objects and RDF triples to express statements about those objects and their relationships. Properties are used to link objects to other URIs or literal values. Following the linked data principles allows data to be interconnected and merged to form a global data space.

1. The Simple Power
of the Link
Richard Wallis
Evangelist
and Founder
http://dataliberate.com
Monday, 6 February 12

2. http://www.flickr.com/photos/34497358@N06/6251662291
Monday, 6 February 12

3. http://www.flickr.com/photos/34497358@N06/6251662291
Monday, 6 February 12

4. Monday, 6 February 12

5. http://www.flickr.com/photos/34497358@N06/6251662291
Monday, 6 February 12

6. http://www.flickr.com/photos/34497358@N06/6251662291
Monday, 6 February 12

7. Monday, 6 February 12

8. Semantic Web?
Monday, 6 February 12

9. The Web?
Monday, 6 February 12

10. The Web?
HTML
Monday, 6 February 12

11. The Web?
URL
HTML
Monday, 6 February 12

12. The Web?
URL
HTML http
Monday, 6 February 12

13. The Web?
Microformats RDFa Ajax
JQuery XML JSON
CSS3 URL
Javascript
CSS http Flash
HTML
HTML5 DOM SEO
Monday, 6 February 12

14. The Web?
HTML http URL
Monday, 6 February 12

15. The Web?
HTML http URL
Monday, 6 February 12

16. 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
Monday, 6 February 12

17. 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
Monday, 6 February 12

18. 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
Monday, 6 February 12

19. 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 • link
text text, text. • link
Text text - text Text text, text.
text - text text Text text - link
text. text - text text.
Document Document
Monday, 6 February 12

20. 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 • link
text text, text. • link
Text text - text Text text, text.
text - text text Text text - link
text. text - text text.
Document Document
Monday, 6 February 12

21. The Web?
http://example.com/page1 http://eg.co.uk/list
Link
Monday, 6 February 12

22. The Web?
Linking at it’s core
http://www.flickr.com/photos/leapkye/4407661949
Monday, 6 February 12

23. The Web?
Powerful
Linking at it’s core
http://www.flickr.com/photos/leapkye/4407661949
Monday, 6 February 12

24. The Web?
Powerful
link
Linking at it’s core
©AllPosters.com
Monday, 6 February 12

25. The Web
Monday, 6 February 12

26. The Semantic Web
Monday, 6 February 12

27. The Semantic Web
A i
e s s
p r
a d
a b
o t
G Flying Cars Technology
Monday, 6 February 12

28. Linked Data
Monday, 6 February 12

29. Linked Data
Built on Semantic Web Standards
Monday, 6 February 12

30. Linked Data
Built on Semantic Web Standards
All about identifying and linking things
Thi ng
Monday, 6 February 12

31. Identifying things
Monday, 6 February 12

32. Identifying things
Monday, 6 February 12

33. Identifying things
1969-059A
Monday, 6 February 12

34. Identifying things
1969-059A
spacecraft/1969-059A
Monday, 6 February 12

35. Identifying things
1969-059A
spacecraft/1969-059A
nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

36. Identifying things
1969-059A
spacecraft/1969-059A
nasa.dataincubator.org/spacecraft/1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

37. Identifying things
with URIs
1969-059A
spacecraft/1969-059A
nasa.dataincubator.org/spacecraft/1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

38. Things have attributes
http://nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

39. Things have attributes
http://nasa.dataincubator.org/spacecraft/1969-059A
28801.0kg
Monday, 6 February 12

40. Things have attributes
http://nasa.dataincubator.org/spacecraft/1969-059A
28801.0kg
Columbia
Monday, 6 February 12

41. Things have attributes
http://nasa.dataincubator.org/spacecraft/1969-059A
28801.0kg
Columbia
Apollo 11 CSM
CSM-107
United States
Cape Canaveral
Saturn 5
Monday, 6 February 12

42. http://nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

43. .../1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

44. 28801.0
mass .../1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

45. Apollo 11 CSM
28801.0
name
mass .../1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

46. Apollo 11 CSM Columbia
name
28801.0 name
mass .../1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
Monday, 6 February 12

47. Apollo 11 CSM Columbia
name
28801.0 name
mass .../1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A
launch
../launch/
1969-059
Monday, 6 February 12

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
Monday, 6 February 12

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
Monday, 6 February 12

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 28° 27' 31''
Monday, 6 February 12

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 28° 27' 31''
long
W 80° 31' 59''
Monday, 6 February 12

52. 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/
1969-059
site
Cape
Canaveral lat
N 28° 27' 31''
long
W 80° 31' 59''
Monday, 6 February 12

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
<../1969-059A> name “Apollo 11 CSM” . site
<../1969-059A> name “Columbia” .
<../1969-059A> launch <../launch/1969-059> . Cape
<../launch/1969-059> date 1969-07-16 . Canaveral lat
<../launch/1969-059> site <..site/capecanaveral> . N 28° 27' 31''
<..site/capecanaveral> lat “N 28° 27' 31''” . long
<..site/capecanaveral> long “W 80° 31' 59''” . W 80° 31' 59''
Monday, 6 February 12

54. Monday, 6 February 12

55. RDF Triple
Monday, 6 February 12

56. RDF Triple
Thing attribute value
Monday, 6 February 12

57. RDF Triple
Thing property value
Monday, 6 February 12

58. RDF Triple
Thing property value
Thing property Thing
Monday, 6 February 12

59. RDF Triple
Thing property value
Thing property Thing
../person/A
Monday, 6 February 12

60. RDF Triple
Thing property value
Thing property Thing
../person/A hasParent
Monday, 6 February 12

61. RDF Triple
Thing property value
Thing property Thing
../person/A hasParent ../person/B
Monday, 6 February 12

62. RDF Triple
Thing property value
Thing property Thing
../person/A hasParent ../person/B
../person/B
Monday, 6 February 12

63. RDF Triple
Thing property value
Thing property Thing
../person/A hasParent ../person/B
../person/B name
Monday, 6 February 12

64. RDF Triple
Thing property value
Thing property Thing
../person/A hasParent ../person/B
../person/B name “Eric”
Monday, 6 February 12

65. RDF Triple
Thing property value
Thing property Thing
../person/A hasParent ../person/B
../person/B name “Eric”
Monday, 6 February 12

66. RDF Triple
Merging
Thing property value
Thing property Thing
../person/A hasParent ../person/B name “Eric”
Monday, 6 February 12

67. RDF Triple
Merging
Monday, 6 February 12

68. RDF Triple
Merging
The same identifier in a different
place is still the same thing
Monday, 6 February 12

69. Monday, 6 February 12

70. Monday, 6 February 12

71. Monday, 6 February 12

72. Monday, 6 February 12

73. Monday, 6 February 12

74. Monday, 6 February 12

75. Monday, 6 February 12

76. Monday, 6 February 12

77. Monday, 6 February 12

78. Monday, 6 February 12

79. Monday, 6 February 12

80. Monday, 6 February 12

81. Linked Data Merging
Monday, 6 February 12

82. Linked Data Merging
Monday, 6 February 12

83. Linked Data Merging
Monday, 6 February 12

84. Linked Data Merging
Monday, 6 February 12

85. Linked Data Merging
Monday, 6 February 12

86. Linked Data Merging
Monday, 6 February 12

87. Linked Data Principles
Monday, 6 February 12

88. Linked Data Principles
1. Use URIs as names for things
Monday, 6 February 12

89. Linked Data Principles
1. Use URIs as names for things
2. Use HTTP URIs so people can look up those
names
Monday, 6 February 12

90. 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
Monday, 6 February 12

91. 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
Monday, 6 February 12

92. Monday, 6 February 12

93. http://bbc.co.uk/nature/species/Mallard
Monday, 6 February 12

94. http://bbc.co.uk/nature/species/Mallard SameAs
Monday, 6 February 12

95. http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard
Monday, 6 February 12

96. 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
Monday, 6 February 12

97. http://bbc.co.uk/nature/species/Mallard SameAs http://dbpedia.org/resource/Mallard
primaryTopic http://blx1.bto.org/birdfacts/../bob1860.htm
Monday, 6 February 12

98. 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
Monday, 6 February 12

99. Monday, 6 February 12

100. Monday, 6 February 12

101. Monday, 6 February 12

102. Monday, 6 February 12

103. http://www.flickr.com/photos/jolieodell/4540783805
Monday, 6 February 12

104. http://www.flickr.com/photos/jolieodell/4540783805
Monday, 6 February 12

105. Data Open and/or Linked
Monday, 6 February 12

106. Data Open and/or Linked
1. Data can be open, while not being linked
Monday, 6 February 12

107. Data Open and/or Linked
1. Data can be open, while not being linked
2. Data can be linked, while not being open
Monday, 6 February 12

108. 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
Monday, 6 February 12

109. 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
Monday, 6 February 12

110. Linked Data
http://www.flickr.com/photos/ferretsunlimited/499495786
Monday, 6 February 12

111. Linked Data
http://www.flickr.com/photos/ferretsunlimited/499495786
Monday, 6 February 12

112. The Linked Data Web
Powerful
link
Linking at it’s core
©AllPosters.com
Monday, 6 February 12

113. The Linked Data Web
Powerful
link
Triples at it’s core
©AllPosters.com
Monday, 6 February 12

114. The Simple Power
of the Link
Richard Wallis
Technology Evangelist
and Founder
http://dataliberate.com
Monday, 6 February 12

115. The Simple Power
of the Link
Richard Wallis
Technology Evangelist
and Founder
http://dataliberate.com
http://www.slideshare.net/rjw
Monday, 6 February 12

116. This work is Copyright © 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 — to copy, distribute and transmit the work
to Remix — to adapt the work
Under the following conditions:
Attribution. You must attribute the work in the manner
specified by the author or licensor (but not in any way that
suggests that they endorse you or your use of the work).
• For any reuse or distribution, you must make clear to others the
license terms of this work.
• Any of the above conditions can be waived if you get
permission from the copyright holder.
• Nothing in this license impairs or restricts the author's moral
rights.
• Some Content in the work may be licensed under different
terms, this is noted separately.
Monday, 6 February 12