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The Simple Power of the Link - ELAG 2014 Workshop
The document discusses the concept of linked data and its application on the semantic web, highlighting the importance of using URIs as identifiers for objects. It outlines key principles of linked data and mentions various technologies relevant to the topic, such as RDF and databases. Overall, it emphasizes the need for open and linked data to enable effective information retrieval and interoperability on the web.
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The Simple Power of the Link - ELAG 2014 Workshop
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- 4. Richard Wallis Technology Evangelist TheSimple Power Of The Link
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- 13. Web? HTML http URL Texttext text text text link text. Text, text text text, text. Text text - text text - text text text. Document
- 14. Web? HTML http URL Texttext text text text link text. Text, text text text, text. Text text - text text - text text text. Text text text text text.Text: • link • link Text text, text. Text text - link text - text text. Document Document
- 15. Web? HTML http URL Texttext text text text link text. Text, text text text, text. Text text - text text - text text text. Text text text text text.Text: • link • link Text text, text. Text text - link text - text text. Document Document
- 16. Web? HTML http URL Texttext text text text link text. Text, text text text, text. Text text - text text - text text text. Text text text text text.Text: • link • link Text text, text. Text text - link text - text text. Document Document http://example.com/page1
- 17. Web? HTML http URL Texttext text text text link text. Text, text text text, text. Text text - text text - text text text. Text text text text text.Text: • link • link Text text, text. Text text - link text - text text. Document Document http://example.com/page1 http://eg.co.uk/list
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- 19. Web? Linking at it’score http://www.flickr.com/photos/leapkye/4407661949 The
- 20. Web? Linking at it’score http://www.flickr.com/photos/leapkye/4407661949 The Powerful
- 21. Web? ©AllPosters.com Linking at it’score link The Powerful
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- 27. Linked Data Built onSemantic Web Standards Linked Data
- 28. Linked Data Built onSemantic Web Standards All about identifying and linking things Linked Data Thing
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- 39. Things have attributes http://nasa.dataincubator.org/spacecraft/1969-059A 28801.0kg Columbia Apollo11 CSM CSM-107 United States Cape Canaveral Saturn 5
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- 44. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name .../1969-059A
- 45. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name .../1969-059A prefName
- 46. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name launch .../1969-059A ../launch/ 1969-059 prefName
- 47. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name launch 16 July 1969 date .../1969-059A ../launch/ 1969-059 prefName
- 48. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name launch 16 July 1969 date site .../1969-059A ../launch/ 1969-059 Cape Canaveral prefName
- 49. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name launch 16 July 1969 date site N 28° 27' 31'' lat .../1969-059A ../launch/ 1969-059 Cape Canaveral prefName
- 50. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name launch 16 July 1969 date site N 28° 27' 31'' W 80° 31' 59'' lat long .../1969-059A ../launch/ 1969-059 Cape Canaveral prefName
- 51. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name launch 16 July 1969 date site RDF N 28° 27' 31'' W 80° 31' 59'' lat long .../1969-059A ../launch/ 1969-059 Cape Canaveral prefName
- 52. http://nasa.dataincubator.org/spacecraft/1969-059A mass 28801.0 Apollo 11 CSMColumbia name name launch 16 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
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- 57. property RDF Triple Thing value Thingproperty Thing
- 58. property RDF Triple Thing value Thingproperty Thing ../person/A
- 59. property RDF Triple Thing value Thingproperty Thing ../person/A hasParent
- 60. property RDF Triple Thing value Thingproperty Thing ../person/B../person/A hasParent
- 61. property RDF Triple Thing value Thingproperty Thing ../person/B ../person/B ../person/A hasParent
- 62. property RDF Triple Thing value Thingproperty Thing ../person/B name../person/B ../person/A hasParent
- 63. property “Eric” RDF Triple Thing value Thingproperty Thing ../person/B name../person/B ../person/A hasParent
- 64. property “Eric” RDF Triple Thing value Thingproperty Thing ../person/B name../person/B ../person/A hasParent
- 65. property “Eric” RDF Triple Thing value Thingproperty Thing name../person/B../person/A hasParent Merging
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- 67. RDF Triple Merging The sameidentifier in a different place still identifies the same thing
- 93. Linked Data Principles LinkedData Principles
- 94. Linked Data Principles LinkedData Principles 1. Use URIs as names for things
- 95. Linked Data Principles LinkedData Principles 1. Use URIs as names for things 2. Use HTTP URIs so people can look up those names
- 96. Linked Data Principles LinkedData 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
- 97. Linked Data Principles LinkedData 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
- 98. Data Open and/orLinked Data Open and/or Linked
- 99. Data Open and/orLinked 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
- 100. Linked Data Tools Storage! FileSystem / Web Server! Relational Database - output mapped to RDF! D2RQ! Graph Data Store! ! Triple Store (SPARQL Endpoint)! Native graph store! SPARQL Query Language! Pattern matching! Not good at strings! SQL-like syntax!