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[英]SPARQL query to get all Person available in DBpedia is showing only some Person data, not all
[英]Query in Sparql to get data of a person
我想列出 Lionel Terray 的“dbo:firstAscentPerson”屬性的所有山脈名稱(dbpedia: http ://dbpedia.org/page/Lionel_Terray)。
以下是我到目前為止所擁有的
select ?person ?firstAscentPerson where {
?person foaf:name "Lionel Terray"@en.
dbo:firstAscentPerson rdfs:label ?firstAscentPerson.
} LIMIT 100
以下查詢可以滿足您的需要:
SELECT ?mountain ?mountainName ?person2 ?person2Name {
VALUES ?person1Name {"Lionel Terray"@en}
?mountain dbo:firstAscentPerson ?person1, ?person2 .
?mountain rdfs:label ?mountainName .
?person1 foaf:name ?person1Name .
FILTER (lang(?mountainName) = "en")
OPTIONAL {?person2 foaf:name ?person2Name . FILTER (lang(?person2Name) = 'en')}
}
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