Consuming Linked Data by Machines - WWW2010

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

Consuming Linked Data by Machines - WWW2010

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Consuming Linked Data by Machines - WWW2010 Presentation Transcript