query-46013780fcf3aed7b9747b8dd3450d79

Propertiesinstance of (P31)principal investigator (P8329)

Use at

https://query.wikidata.org/sparql

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#>
SELECT ?trial ?trialLabel WHERE {
  ?trial wdt:P31 wd:Q30612 .
  { ?trial wdt:P8329 wd:Q22006776 .}

  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}

Query found at

https://www.wikidata.org/wiki/Wikidata:WikiProject_Clinical_Trials/Query

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?trial"):::projected c6(["bd:serviceParam"]):::iri c8(["#91;AUTO_LANGUAGE#93;,en"]):::literal c2(["wd:Q30612"]):::iri c4(["wd:Q22006776"]):::iri v1 --"wdt:P31"--> c2 v1 --"wdt:P8329"--> c4 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c6 --"wikibase:language"--> c8 end