Presented at the Talis Linked Data Open Day in San Francisco on 1st June 2011 by Richard Wallis

1. Linked Data
an introduction
Richard Wallis
Talis
@rjw
#talisldod

2. Linked Data
The impact of Linked Data will be greater
than the World Wide Web it builds upon.

3. Linked Data
© Computer History Museum

4. Linked Data
Graph based data model
Globally Distributed
© Computer History Museum
URI identifiers
Web native

5. Linked Data
Graph based data model
Globally Distributed
© Computer History Museum
URI identifiers
Web native
Not new....
© Computer History Museum

6. Linked Data
Graph based data model
Globally Distributed
© Computer History Museum
URI identifiers
Web native
Not new.... Callimachus - 300BC
http://en.wikipedia.org/wiki/Image:Ancientlibraryalex.jpg

7. The Linked Data Journey

8. The Linked Data Journey

9. The Linked Data Journey

10. The Linked Data Journey

11. The Web of Documents

12. The Web of Documents
A global network of linked documents

13. The Web of Documents
A global network of linked documents
A place where anyone can say anything about
anything

14. The Web of Documents
A global network of linked documents
A place where anyone can say anything about
anything
A vast collection of human-readable knowledge
(and opinion)

15. The Web of Documents
A global network of linked documents
A place where anyone can say anything about
anything
A vast collection of human-readable knowledge
(and opinion)
Documents are linked, but links are not qualified

19. Network of Linked Documents
unqualified links

20. Network of Linked Documents
unqualified links
no such thing as a negative link

21. Semantic Web

23. 2001 - 2007

24. 2001 - 2007
Semantic Web Research
Standards Building
RDF SPARQL

25. The Web of Documents

26. The Web of Documents
A global network of linked documents
A place where anyone can say anything about
anything
A vast collection of human-readable knowledge
(and opinion)
Documents are linked, but links are not qualified

27. The Web of Data
A global network of linked statements
A place where anyone can say anything about
anything
A vast collection of machine-readable knowledge
(and opinion)
Statements are linked, and links are qualified

28. Linked Data

29. Linked Data
Tim
Berners-Lee

30. Linked Data
Tim Author
Berners-Lee Weaving
the Web

31. Linked Data
Mark
Fischetti
Author
Tim Author
Berners-Lee Weaving
the Web

32. Linked Data
Mark
Fischetti
Author Published by
Tim Author Harper
Berners-Lee Weaving Paperbacks
the Web

33. Linked Data
Mark
Fischetti
Author Published by
Tim Author Harper
Berners-Lee Weaving Paperbacks
the Web
Sold by
Amazon.com

34. Linked Data

35. Linked Data
http://blog.ted.com/2009/03/13/tim_berners_lee_web/

50. Data

51. Data Confusion

52. Open Data

53. Linked Data

54. Linked Open Data

55. Data Open and/or Linked

56. 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

57. Difficult?

58. Difficult?
http://www.flickr.com/photos/32348401@N00/327430459/

59. Difficult?
N O
http://www.flickr.com/photos/32348401@N00/327430459/

60. Different?

61. Different?

62. Different?
E S
Y

63. http://www.flickr.com/photos/38834306@N00/5433464054/

64. For the first couple of days
it’s like standing on your head...
http://www.flickr.com/photos/38834306@N00/5433464054/

65. For the first couple of days
it’s like standing on your head...
Liberation..
from RDBMS constraints
http://www.flickr.com/photos/38834306@N00/5433464054/

66. For the first couple of days
it’s like standing on your head...
Liberation..
from RDBMS constraints
from data silos
http://www.flickr.com/photos/38834306@N00/5433464054/

67. For the first couple of days
it’s like standing on your head...
Liberation..
from RDBMS constraints
from data silos
of data modelling
http://www.flickr.com/photos/38834306@N00/5433464054/

68. For the first couple of days
it’s like standing on your head...
Liberation..
from RDBMS constraints
from data silos
of data modelling
of ideas
http://www.flickr.com/photos/38834306@N00/5433464054/

69. For the first couple of days
it’s like standing on your head...
Liberation..
from RDBMS constraints
from data silos
of data modelling
of ideas
for subsequent projects
http://www.flickr.com/photos/38834306@N00/5433464054/

70. Linked Data

71. Linked Data
• Techniques - not new

72. Linked Data
• Techniques - not new
• Built on the Web

73. Linked Data
• Techniques - not new
• Built on the Web
• Real implementation of Sem Web standards

74. Linked Data
• Techniques - not new
• Built on the Web
• Real implementation of Sem Web standards
• Web Native data

75. Linked Data
• Techniques - not new
• Built on the Web
• Real implementation of Sem Web standards
• Web Native data
• Linked Open/Enterprise/Commercial Data

76. Linked Data
• Techniques - not new
• Built on the Web
• Real implementation of Sem Web standards
• Web Native data
• Linked Open/Enterprise/Commercial Data
• Open World Modelling

77. Linked Data
• Techniques - not new
• Built on the Web
• Real implementation of Sem Web standards
• Web Native data
• Linked Open/Enterprise/Commercial Data
• Open World Modelling
• Value add

78. Linked Data
• Techniques - not new
• Built on the Web
• Real implementation of Sem Web standards
• Web Native data
• Linked Open/Enterprise/Commercial Data
• Open World Modelling
• Value add
• A different way of thinking

79. Linked Data
• Techniques - not new
• Built on the Web
• Real implementation of Sem Web standards
• Web Native data
• Linked Open/Enterprise/Commercial Data
• Open World Modelling
• Value add
• A different way of thinking
• Ease of reuse

80. Linked Data
• Techniques - not new
• Built on the Web
• Real implementation of Sem Web standards
• Web Native data
• Linked Open/Enterprise/Commercial Data
• Open World Modelling
• Value add
• A different way of thinking
• Ease of reuse
• Reduced development costs/effort