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找到约 1,193 项符合
Q 的代码
q-lang-1.rq
# Test which things have a lang tag of some form.
PREFIX :
PREFIX xsd:
SELECT ?x
{ ?x :p ?v .
FILTER ( lang(?v) != '@NotALangTag@
q-datatype-2.rq
# Which literals have a datatype and which are errors.
PREFIX :
PREFIX xsd:
SELECT ?x
{ ?x :p ?v .
FILTER( datatype(?v) !=
q-langmatches-3.rq
PREFIX :
SELECT *
{ :x ?p ?v . FILTER langMatches(lang(?v), "*") . }
q-datatype-1.rq
PREFIX xsd:
PREFIX :
SELECT ?x ?v
WHERE
{ ?x :p ?v .
FILTER ( datatype(?v) = xsd:double ) .
}
q-langmatches-1.rq
PREFIX :
SELECT *
{ :x ?p ?v . FILTER langMatches(lang(?v), "en-GB") . }
q-langmatches-2.rq
PREFIX :
SELECT *
{ :x ?p ?v . FILTER langMatches(lang(?v), "en") . }
q-datatype-3.rq
# Whichliterals have xsd:string as a datatype
PREFIX :
PREFIX xsd:
SELECT ?x
{ ?x :p ?v .
FILTER( datatype(?v) = xsd:string )
}
q-uri-1.rq
PREFIX xsd:
PREFIX :
SELECT ?x ?v
WHERE
{ ?x :p ?v .
FILTER isURI(?v) .
}
q-str-1.rq
PREFIX xsd:
PREFIX :
SELECT ?x ?v
WHERE
{ ?x :p ?v .
FILTER ( str(?v) = "1" ) .
}
q-construct-2.rq
PREFIX ns:
PREFIX :
# No match => empty graph
CONSTRUCT
{ ?x ns:knows ?y }
WHERE
{ ?x ns:sameTown ?y }