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/

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

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

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

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

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 .
}
}

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 .
}