Wikibase:SPARQL/examples: Difference between revisions
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= | =Queries= | ||
==Inventors== | ==Inventors== | ||
<sparql tryit="1"> | <sparql tryit="1"> | ||
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</sparql> | </sparql> | ||
===wikidata=== | |||
SELECT ?item ?itemLabel ?inventor ?inventorLabel WHERE { | |||
?item wdt:P31 wd:Q172839 . | |||
OPTIONAL { ?item wdt:P61 ?inventor . } | |||
SERVICE wikibase:label { bd:serviceParam wikibase:language "en". } | |||
} | |||
Revision as of 20:57, 5 June 2026
Queries
Inventors
PREFIX wdt: <https://wikibase.echoimages.labs.wikimedia.pt/prop/direct/>
PREFIX wd: <https://wikibase.echoimages.labs.wikimedia.pt/entity/>
SELECT ?item ?itemLabel ?inventor ?inventorLabel WHERE {
?item wdt:P3 wd:Q66 .
OPTIONAL { ?item wdt:P79 ?inventor . }
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
wikidata
SELECT ?item ?itemLabel ?inventor ?inventorLabel WHERE {
?item wdt:P31 wd:Q172839 .
OPTIONAL { ?item wdt:P61 ?inventor . }
SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}