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Consuming Linked Data by Machines - WWW2010

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Juan Sequeda
Juan Sequeda

These are the Consuming Linked Data by Machines slides that we presented at the Consuming Linked Data tutorial at WWW2010 in Raleigh, NC on April 26, 2010. These slides are originally by Patrick Sinclair from BBC

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Consuming  Linked  Data  by   Machines   Consuming  Linked  Data  Tutorial   World  Wide  Web  Conference  2010   Original  Slides  from  Patrick  Sinclair  
RDF   Resource  DescripDon  Framework  
RDF   subject  –  predicate  –  object   Coldplay  is  the  arDst  of  Viva  la  Vida   Coldplay  is  the  arDst  of  Viva  la  Vida   hJp://dbpedia.org/resource/Coldplay   hJp://dbpedia.org/ontology/arDst   hJp://dbpedia.org/resource/Viva_la_Vida  
prefix  dbpedia-­‐owl:  <hJp://dbpedia.org/ontology/>     prefix  foaf:  <hJp://xmlns.com/foaf/0.1/>   prefix  dbprop:  <hJp://dbpedia.org/property/>     prefix  geo:  <hJp://www.w3.org/2003/01/geo/wgs84_pos#>   51.507778   -­‐0.128056   geo:lat   geo:long   hJp://dbpedia.org/resource/London   dbprop:origin   hJp://dbpedia.org/resource/Coldplay   dbpedia-­‐owl:arDst   foaf:name   hJp://dbpedia.org/resource/Viva_la_Vida   “Coldplay”  
ntriples   <hJp://dbpedia.org/resource/Coldplay>  <hJp://dbpedia.org/ontology/arDst>  <hJp://dbpedia.org/resource/Viva_la_Vida>  .     <hJp://dbpedia.org/resource/Coldplay>  <hJp://www.w3.org/1999/02/22-­‐rdf-­‐syntax-­‐ns#type>  <hJp://dbpedia.org/ontology/Band>  .   RDF/XML   <?xml  version="1.0"  encoding="ub-­‐8"?>    <rdf:RDF  xmlns:rdf="hJp://www.w3.org/1999/02/22-­‐rdf-­‐syntax-­‐ns#">    <dbpedia-­‐owl:Band  xmlns:dbpedia-­‐owl="hJp://dbpedia.org/ontology/"      rdf:about="hJp://dbpedia.org/resource/Coldplay">    <dbpedia-­‐owl:arDst  rdf:resource="hJp://dbpedia.org/resource/Viva_la_Vida"/>    </dbpedia-­‐owl:Band>   </rdf:RDF>   turtle   @prefix  rdf:  <hJp://www.w3.org/1999/02/22-­‐rdf-­‐syntax-­‐ns#>  .     <hJp://dbpedia.org/resource/Coldplay>    a  <hJp://dbpedia.org/ontology/Band>  ;      <hJp://dbpedia.org/ontology/arDst>  <hJp://dbpedia.org/resource/Viva_la_Vida>  .  
Two  Webs?   Web  of  Documents   Web  of  Data  
It’s  the  same  Web!   Web  of  Data  to   Web  of  Documents   be  consumed     to  be  consumed  by   by  machines   humans   Links  all  over  the  place  between  Documents  and  Data   hJp://www.flickr.com/photos/danbri/2415237566/  
Content  NegoDaDon  
Dereference  a  URI?  
What’s  with  the  redirecDon?  
RDFa   <html>! …! !<div xmlns:dc=“http://purl.org/dc/elements/1.1/”>! ! !<h2 property=“dc:title”>The trouble with Bob</h2>! ! !<h3 property=“dc:creator”>Alice</h3>! ! !….! !</div>! …! </html>!
Let’s  consume  some  RDF!   rapper  
Vocabularies  and  Ontologies   •  People   •  Social  media   •  Commerce   •  Events   •  Radio  and  tv  programmes   •  Music   •  Etc..  
owl:sameAs  

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Consuming Linked Data by Machines - WWW2010

  • 1. Consuming  Linked  Data  by   Machines   Consuming  Linked  Data  Tutorial   World  Wide  Web  Conference  2010   Original  Slides  from  Patrick  Sinclair  
  • 3. RDF   subject  –  predicate  –  object   Coldplay  is  the  arDst  of  Viva  la  Vida   Coldplay  is  the  arDst  of  Viva  la  Vida   hJp://dbpedia.org/resource/Coldplay   hJp://dbpedia.org/ontology/arDst   hJp://dbpedia.org/resource/Viva_la_Vida  
  • 4. prefix  dbpedia-­‐owl:  <hJp://dbpedia.org/ontology/>     prefix  foaf:  <hJp://xmlns.com/foaf/0.1/>   prefix  dbprop:  <hJp://dbpedia.org/property/>     prefix  geo:  <hJp://www.w3.org/2003/01/geo/wgs84_pos#>   51.507778   -­‐0.128056   geo:lat   geo:long   hJp://dbpedia.org/resource/London   dbprop:origin   hJp://dbpedia.org/resource/Coldplay   dbpedia-­‐owl:arDst   foaf:name   hJp://dbpedia.org/resource/Viva_la_Vida   “Coldplay”  
  • 5. ntriples   <hJp://dbpedia.org/resource/Coldplay>  <hJp://dbpedia.org/ontology/arDst>  <hJp://dbpedia.org/resource/Viva_la_Vida>  .     <hJp://dbpedia.org/resource/Coldplay>  <hJp://www.w3.org/1999/02/22-­‐rdf-­‐syntax-­‐ns#type>  <hJp://dbpedia.org/ontology/Band>  .   RDF/XML   <?xml  version="1.0"  encoding="ub-­‐8"?>    <rdf:RDF  xmlns:rdf="hJp://www.w3.org/1999/02/22-­‐rdf-­‐syntax-­‐ns#">    <dbpedia-­‐owl:Band  xmlns:dbpedia-­‐owl="hJp://dbpedia.org/ontology/"      rdf:about="hJp://dbpedia.org/resource/Coldplay">    <dbpedia-­‐owl:arDst  rdf:resource="hJp://dbpedia.org/resource/Viva_la_Vida"/>    </dbpedia-­‐owl:Band>   </rdf:RDF>   turtle   @prefix  rdf:  <hJp://www.w3.org/1999/02/22-­‐rdf-­‐syntax-­‐ns#>  .     <hJp://dbpedia.org/resource/Coldplay>    a  <hJp://dbpedia.org/ontology/Band>  ;      <hJp://dbpedia.org/ontology/arDst>  <hJp://dbpedia.org/resource/Viva_la_Vida>  .  
  • 6. Two  Webs?   Web  of  Documents   Web  of  Data  
  • 7. It’s  the  same  Web!   Web  of  Data  to   Web  of  Documents   be  consumed     to  be  consumed  by   by  machines   humans   Links  all  over  the  place  between  Documents  and  Data   hJp://www.flickr.com/photos/danbri/2415237566/  
  • 9.
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  • 17. What’s  with  the  redirecDon?  
  • 18.
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  • 20.
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  • 29. RDFa   <html>! …! !<div xmlns:dc=“http://purl.org/dc/elements/1.1/”>! ! !<h2 property=“dc:title”>The trouble with Bob</h2>! ! !<h3 property=“dc:creator”>Alice</h3>! ! !….! !</div>! …! </html>!
  • 30.
  • 31. Let’s  consume  some  RDF!   rapper  
  • 32.
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  • 35. Vocabularies  and  Ontologies   •  People   •  Social  media   •  Commerce   •  Events   •  Radio  and  tv  programmes   •  Music   •  Etc..