query-6c106bcca671a83afb465fe4b1b12ed4
Anzahl Clinical Trials
Use at
- https://query.wikidata.org/sparql
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT DISTINCT (COUNT(?study) as ?number) WHERE {
?study wdt:P31 wd:Q30612 .
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v2("?number")
v1("?study"):::projected
c2(["wd:Q30612"]):::iri
v1 --"wdt:P31"--> c2
bind1[/"count(?study)"/]
v1 --o bind1
bind1 --as--o v2