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“IT’S THE  DATA  STUPID..!”LIEKE.VERHELST@WUR.NLWAGENINGEN UNIVERSITY AND RESEARCH CENTRE
WHAT IS OPEN DATA?Is a webservice Open Data?  • W3C “The Web services architecture is an interoperability    architecture”...
WHAT IS OPEN DATA?Is an API Open Data?  • Wikipedia: “An application programming interface (API) is    a particular set of...
www 20 years!
OPEN..OPENER...!April 2011
FROM WWW..TO WEB OF DATA         ★ Available with open license       ★★ Machine readable     ★★★ Machine readable without ...
★ AVAILABLE WITH OPEN LICENSE      Source: http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/
★★ MACHINE READABLE          Source: http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/
★★★ MACHINE READABLE WITHOUT PROPRIETARY FORMAT"Temperature forecast for Galway, Ireland","Day","Lowest Temperature (C)""S...
SO...API and web service are max ★★★ open data according toTim Berners-Lee..But ..limited access to data itselfUhh..does i...
HOW ..
RELATIONAL DATASTRUCTURE
NETWORK DATASTRUCTURE(SEMANTIC WEB)                                             2                                         ...
Ornamentals                         Plant Composition                           Research Area                             ...
LINKED DATA (3D)
DATA WEB ARCHITECTUREData storage via XML (RDF) network data structureEvery element has unique ID (URI)HTTP transport prot...
LINKED DATA
http://www.bbc.co.uk/blogs/bbcinternet/2010/07/bbc_world_cup_2010_dynamic_sem.html
INTELLIGENT WEB            Lieke                                             University            Academic          WUR  ...
MY PROJECTSLinked data analysis & reasoningLinked data demonstratorWUR library: authors and publications Linked Open DataS...
forYourThank You             Attention
Linked Data and the Semantic Web
Linked Data and the Semantic Web
Linked Data and the Semantic Web
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Linked Data and the Semantic Web

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This presentation describes how we move forward to the web of data.

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Transcript of "Linked Data and the Semantic Web"

  1. 1. “IT’S THE DATA STUPID..!”LIEKE.VERHELST@WUR.NLWAGENINGEN UNIVERSITY AND RESEARCH CENTRE
  2. 2. WHAT IS OPEN DATA?Is a webservice Open Data? • W3C “The Web services architecture is an interoperability architecture” ©esri.com
  3. 3. WHAT IS OPEN DATA?Is an API Open Data? • Wikipedia: “An application programming interface (API) is a particular set of rules (code) and specifications that software programs can follow to communicate with each other. It serves as an interface between different software programs”
  4. 4. www 20 years!
  5. 5. OPEN..OPENER...!April 2011
  6. 6. FROM WWW..TO WEB OF DATA ★ Available with open license ★★ Machine readable ★★★ Machine readable without proprietary format ★★★★ URI’s for reference ★★★★★ Link your data to other data
  7. 7. ★ AVAILABLE WITH OPEN LICENSE Source: http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/
  8. 8. ★★ MACHINE READABLE Source: http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/
  9. 9. ★★★ MACHINE READABLE WITHOUT PROPRIETARY FORMAT"Temperature forecast for Galway, Ireland","Day","Lowest Temperature (C)""Saturday, 13 November 2010",2"Sunday, 14 November 2010",4"Monday, 15 November 2010",7 Source: http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/
  10. 10. SO...API and web service are max ★★★ open data according toTim Berners-Lee..But ..limited access to data itselfUhh..does it matter..?
  11. 11. HOW ..
  12. 12. RELATIONAL DATASTRUCTURE
  13. 13. NETWORK DATASTRUCTURE(SEMANTIC WEB) 2 1 3 1 2 3 triples (triple store)
  14. 14. Ornamentals Plant Composition Research Area Carex flacca Bougainvillea studyObject Aconitum France hasResearchArea Iceland Bunte, F Plants The Netherlands Kabata-Pendias, A. growsIn Italy China Author Country Book187625 writtenBy worksFor Book187626 Utrecht University Publication Philips Wageningen UR Organisation hasTitle“Reduced VAT rates for flowers and plants : situation 2010"“Trace elements in soils and plants” Linked Data (triples) Title
  15. 15. LINKED DATA (3D)
  16. 16. DATA WEB ARCHITECTUREData storage via XML (RDF) network data structureEvery element has unique ID (URI)HTTP transport protocol -> linkable URLs1. http://library.wur.nl/publications/Book1876252. http://library.wur.nl/writtenBy3. http://library.wur.nl/authors/BunteF
  17. 17. LINKED DATA
  18. 18. http://www.bbc.co.uk/blogs/bbcinternet/2010/07/bbc_world_cup_2010_dynamic_sem.html
  19. 19. INTELLIGENT WEB Lieke University Academic WUR ..if Author worksFor Organisation ofType University then Author hasProfession Academic inferred: Lieke hasProfession Academic
  20. 20. MY PROJECTSLinked data analysis & reasoningLinked data demonstratorWUR library: authors and publications Linked Open DataSoon:With Geonovum: Geo Linked Open Data
  21. 21. forYourThank You Attention
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