query-cf3bfda3e3cee64d3092ed08322627d2

rq turtle/ttl

title: Mensen van wie het geslacht niet weten

Demonstreert filteren op "unknown value"

SELECT ?human ?humanLabel WHERE { ?human wdt:P31 wd:Q5 . # instance of human ?human wdt:P21 ?gender . FILTER wikibase:isSomeValue(?gender) SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],mul,en" } }

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
#title: Mensen van wie het geslacht niet weten
# Demonstreert filteren op "unknown value"
SELECT ?human ?humanLabel
WHERE
{
  ?human wdt:P31 wd:Q5 . # instance of human
  ?human wdt:P21 ?gender .
  FILTER wikibase:isSomeValue(?gender)
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],mul,en" }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?gender") v2("?human"):::projected c5(["bd:serviceParam"]):::iri c2(["wd:Q5"]):::iri c7(["#91;AUTO_LANGUAGE#93;,mul,en"]):::literal f0[["http://wikiba.se/ontology#isSomeValue(?gender)"]] f0 --> v1 v2 --"wdt:P31"--> c2 v2 --"wdt:P21"--> v1 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c5 --"wikibase:language"--> c7 end