SPARQLの基礎

•

10 recomendaciones•5,248 vistas

Fumihiro Kato

Tecnología Viajes Empresariales

http://oreilly.com/catalog/0636920020547/

http://www.w3.org/DesignIssues/LinkedData.html

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:A :like ?node1
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rdfs:label
dbpedia-owl:capital
dbpedia:Japan
dbpedia-
owl:City
rdf:type dbpedia-owl:coutnry
dbpedia-
dbpedia:Tokyo dbpprop:birthPlace rdf:type owl:ComicCreator
dbpprop:birthPlace
rdf:type dbpedia-
rdfs:label dbpedia:Kaoru_Mori
owl:sameAs owl:Artist
owl:sameAs dbpprop:birthdate rdf:type

1978-09-18 rdfs:label foaf:homepage foaf:Person
rdfs:label
freebase: Мори, Каору http://
morikaoru.blog62.fc2.com

dbpedia-owl:Capital
dbpedia:Japan dbpedia:Tokyo

$PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> SELECT ?country WHERE { dbpedia:Tokyo dbpedia-owl:country ?country . } rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia:Tokyo dbpprop:birthPlace rdf:type owl:ComicCreator dbpprop:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com$

$PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?birthPlace ?label WHERE { dbpedia:Kaoru_Mori dbpedia-owl:birthPlace ?birthPlace . ?birthPlace rdfs:label ?label . } rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia-owl:birthPlace rdf:type owl:ComicCreator dbpedia:Tokyo dbpedia-owl:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com$

$PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?birthPlace ?label WHERE { dbpedia:Kaoru_Mori dbpedia-owl:birthPlace ?birthPlace . ?birthPlace rdf:type dbpedia-owl:City ; rdfs:label ?label . } rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia-owl:birthPlace rdf:type owl:ComicCreator dbpedia:Tokyo dbpedia-owl:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com$

$PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?birthPlace ?label WHERE { dbpedia:Kaoru_Mori dbpedia-owl:birthPlace ?birthPlace . ?birthPlace a dbpedia-owl:City ; rdfs:label ?label . FILTER (lang(?label) = “ja”) } rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia-owl:birthPlace rdf:type owl:ComicCreator dbpedia:Tokyo dbpedia-owl:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com$

SELECT *
WHERE {
?s ?p ?o .
}
LIMIT 100
OFFSET 100

$: yes / no PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> ASK WHERE { dbpedia:Kaoru_Mori dbpedia-owl:birthPlace ?birthPlace . }$

PREFIX foaf: <http://xmlns.com/foaf/0.1/>

CONSTRUCT {
?s foaf:name ?name .
}
WHERE {
?s foaf:name ?name .
}

( )

DESCRIBE <http://dbpedia.org/resource/Tokyo>

dbpedia-owl:Artist
freebase:
a
music.producer
a
freebase: owl:sameAs dbpedia: dbpedia:
en.mike_oldfield Mike_Oldfield Virgin_Records
freebase:
dbpedia-owl:
music.producer.
recordLabel
releases_produced
dbpedia-owl: dbpedia-owl:
freebase: owl:sameAs artist producer
freebase: music.release.
m.0328jl5 producer a
freebase: dbpedia: dbpedia-owl:Album
type.object.name owl:sameAs Tubular_Bells

Tubular Bells owl:sameAs

bbc_artists: mo:musicbrainz musicbrainz:
a a1684a49-feaa-4150-b758- a1684a49-feaa-4150-b758-
d9412fc59f12#artist d9412fc59f12.html
mo:SoloArtist mo:imdb
foaf:name
imdb:nm0646131

Mike Oldﬁeld

(default-graph)

http://www.freebase.com http://dbpedia.org
dbpedia-owl:Artist
freebase:
a
music.producer
a
freebase: owl:sameAs dbpedia: dbpedia:
en.mike_oldfield Mike_Oldfield Virgin_Records
freebase:
dbpedia-owl:
music.producer.
recordLabel
releases_produced
dbpedia-owl: dbpedia-owl:
freebase: owl:sameAs artist producer
freebase: music.release.
m.0328jl5 producer a
freebase: dbpedia: dbpedia-owl:Album
type.object.name owl:sameAs Tubular_Bells

Tubular Bells owl:sameAs

bbc_artists: mo:musicbrainz musicbrainz:
a a1684a49-feaa-4150-b758- a1684a49-feaa-4150-b758-
d9412fc59f12#artist d9412fc59f12.html
mo:SoloArtist mo:imdb
foaf:name
imdb:nm0646131

Mike Oldﬁeld

http://www.bbc.co.uk (default-graph)

SELECT *
WHERE {
GRAPH <http://dbpedia.org> {
?s ?p ?o .
}
}

SELECT *
WHERE {
GRAPH ?g {
?s ?p ?o .
}
}

{ ex:A ex:like ?tmpNode . ?tmpNode ex:like ?node . }
=> { ex:A ex:like/ex:like ?node }
=> { ex:A ex:like{2} ?node }
...
=> { ex:A ex:like+ ?node }

{ ex:A (ex:like|ex:love) ?node }

$COUNT, SUM, MIN, MAX, AVG, GROUP_CONCAT, SAMPLE PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT (COUNT(?label) AS ?count) WHERE { dbpedia:Tokyo rdfs:label ?label . }$

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SPARQLの基礎

3. SPARQL

4. http://oreilly.com/catalog/0636920020547/

5. http://www.w3.org/DesignIssues/LinkedData.html

6. http://wiki.dbpedia.org/OnlineAccess

7. http://dbpedia.org/sparql

8. http://id.ndl.go.jp/auth/ndla

9. http://iss.ndl.go.jp/ndla/sparql/

10.

11.

12. A C B D E F H G I K J L M

13. A C B D E F H G I K J L M

14. A C B D E F H G I K J L M

15. A C B D E F H G I K J L M :A ?link1 ?node1 ?node1 ?link2 ?node2

16. A like like C B like dislike D dislike dislike E F dislike like H like dislike G like I dislike K dislike like J L dislike M

17. A like like C B like dislike D dislike dislike E F dislike like H like dislike G like I dislike K dislike like J L dislike M

18. A like like C B like dislike D dislike dislike E F dislike like H like dislike G like I dislike K dislike like J L dislike M :A :like ?node1 ?node1 :like ?node2

19. rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia:Tokyo dbpprop:birthPlace rdf:type owl:ComicCreator dbpprop:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com

20. dbpedia-owl:Capital dbpedia:Japan dbpedia:Tokyo

21. PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> SELECT ?country WHERE { dbpedia:Tokyo dbpedia-owl:country ?country . } rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia:Tokyo dbpprop:birthPlace rdf:type owl:ComicCreator dbpprop:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com

22.

23. PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?birthPlace ?label WHERE { dbpedia:Kaoru_Mori dbpedia-owl:birthPlace ?birthPlace . ?birthPlace rdfs:label ?label . } rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia-owl:birthPlace rdf:type owl:ComicCreator dbpedia:Tokyo dbpedia-owl:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com

24.

25. PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?birthPlace ?label WHERE { dbpedia:Kaoru_Mori dbpedia-owl:birthPlace ?birthPlace . ?birthPlace rdf:type dbpedia-owl:City ; rdfs:label ?label . } rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia-owl:birthPlace rdf:type owl:ComicCreator dbpedia:Tokyo dbpedia-owl:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com

26.

27. PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?birthPlace ?label WHERE { dbpedia:Kaoru_Mori dbpedia-owl:birthPlace ?birthPlace . ?birthPlace a dbpedia-owl:City ; rdfs:label ?label . FILTER (lang(?label) = “ja”) } rdfs:label dbpedia-owl:capital dbpedia:Japan dbpedia- owl:City rdf:type dbpedia-owl:coutnry dbpedia- dbpedia-owl:birthPlace rdf:type owl:ComicCreator dbpedia:Tokyo dbpedia-owl:birthPlace rdf:type dbpedia- rdfs:label dbpedia:Kaoru_Mori owl:sameAs owl:Artist owl:sameAs dbpprop:birthdate rdf:type 1978-09-18 rdfs:label foaf:homepage foaf:Person rdfs:label freebase: Мори, Каору http:// morikaoru.blog62.fc2.com

28.

29.

30.

31. SELECT * WHERE { ?s ?p ?o . } LIMIT 100 OFFSET 100

32. : yes / no PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> ASK WHERE { dbpedia:Kaoru_Mori dbpedia-owl:birthPlace ?birthPlace . }

33. PREFIX foaf: <http://xmlns.com/foaf/0.1/> CONSTRUCT { ?s foaf:name ?name . } WHERE { ?s foaf:name ?name . }

34. ( ) DESCRIBE <http://dbpedia.org/resource/Tokyo>

35. dbpedia-owl:Artist freebase: a music.producer a freebase: owl:sameAs dbpedia: dbpedia: en.mike_oldfield Mike_Oldfield Virgin_Records freebase: dbpedia-owl: music.producer. recordLabel releases_produced dbpedia-owl: dbpedia-owl: freebase: owl:sameAs artist producer freebase: music.release. m.0328jl5 producer a freebase: dbpedia: dbpedia-owl:Album type.object.name owl:sameAs Tubular_Bells Tubular Bells owl:sameAs bbc_artists: mo:musicbrainz musicbrainz: a a1684a49-feaa-4150-b758- a1684a49-feaa-4150-b758- d9412fc59f12#artist d9412fc59f12.html mo:SoloArtist mo:imdb foaf:name imdb:nm0646131 Mike Oldﬁeld (default-graph)

36. http://www.freebase.com http://dbpedia.org dbpedia-owl:Artist freebase: a music.producer a freebase: owl:sameAs dbpedia: dbpedia: en.mike_oldfield Mike_Oldfield Virgin_Records freebase: dbpedia-owl: music.producer. recordLabel releases_produced dbpedia-owl: dbpedia-owl: freebase: owl:sameAs artist producer freebase: music.release. m.0328jl5 producer a freebase: dbpedia: dbpedia-owl:Album type.object.name owl:sameAs Tubular_Bells Tubular Bells owl:sameAs bbc_artists: mo:musicbrainz musicbrainz: a a1684a49-feaa-4150-b758- a1684a49-feaa-4150-b758- d9412fc59f12#artist d9412fc59f12.html mo:SoloArtist mo:imdb foaf:name imdb:nm0646131 Mike Oldﬁeld http://www.bbc.co.uk (default-graph)

37. http://www.freebase.com http://dbpedia.org dbpedia-owl:Artist freebase: a music.producer a freebase: owl:sameAs dbpedia: dbpedia: en.mike_oldfield Mike_Oldfield Virgin_Records freebase: dbpedia-owl: music.producer. recordLabel releases_produced dbpedia-owl: dbpedia-owl: freebase: owl:sameAs artist producer freebase: music.release. m.0328jl5 producer a freebase: dbpedia: dbpedia-owl:Album type.object.name owl:sameAs Tubular_Bells Tubular Bells owl:sameAs bbc_artists: mo:musicbrainz musicbrainz: a a1684a49-feaa-4150-b758- a1684a49-feaa-4150-b758- d9412fc59f12#artist d9412fc59f12.html mo:SoloArtist mo:imdb foaf:name imdb:nm0646131 Mike Oldﬁeld http://www.bbc.co.uk (default-graph)

38. SELECT * WHERE { GRAPH <http://dbpedia.org> { ?s ?p ?o . } }

39. SELECT * WHERE { GRAPH ?g { ?s ?p ?o . } }

40.

41. { ex:A ex:like ?tmpNode . ?tmpNode ex:like ?node . } => { ex:A ex:like/ex:like ?node } => { ex:A ex:like{2} ?node } ... => { ex:A ex:like+ ?node } { ex:A (ex:like|ex:love) ?node }

42. COUNT, SUM, MIN, MAX, AVG, GROUP_CONCAT, SAMPLE PREFIX dbpedia: <http://dbpedia.org/resource/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT (COUNT(?label) AS ?count) WHERE { dbpedia:Tokyo rdfs:label ?label . }

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