講義用コンテンツ: SPARQLクエリリスト
ジャパンサーチ SPARQLエンドポイント
DESCRIBE
code: DESCRIBE 1
code: DESCRIBE 2
SELECT WHERE
code: SELECT WHERE 1
SELECT ?katana ?label
WHERE {
?katana rdf:type type:刀剣 .
?katana rdfs:label ?label .
}
LIMIT 100
code:SELECT WHERE Creator
SELECT ?novel ?label WHERE {
?novel schema:creator chname:村上春樹 .
?novel rdfs:label ?label .
}
code: SELECT WHERE 2
SELECT ?subject ?label ?thumb ?provider
WHERE {
?subject rdf:type type:刀剣 .
?subject rdfs:label ?label .
OPTIONAL {
?subject schema:image ?thumb .
}
}
LIMIT 100
code: SELECT WHERE count
SELECT (count(?provider) as ?number) ?provider
WHERE {
?subject rdf:type type:刀剣 .
}
order by desc(?number)
ゲームの出版者毎資料数
code:SPARQLQuery
select (count(?s) as ?numPack) ?publisher {
?s schema:about ?about.
?s schema:publisher ?publisher .
}
group by ?publisher
order by desc(?numPack)