query-6e0c94cad2aa2f144baf4435349ffd32

rq turtle/ttl

14:29, 8 October 2022 (UTC)) talk (Simon VilleneuveIt didn't work. I want to know witch mistake-s I've done. : This seems to work. Simon Villeneuve@

Use at

PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
select distinct ?item (count(distinct ?auteur) as ?count) where 
{?item wdt:P31 wd:Q13442814 ; wdt:P50 ?auteur .} 
group by ?item having (?count=1)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?auteur"):::projected v4("?count") v2("?item"):::projected c3(["wd:Q13442814"]):::iri f0[["?count = '1^^xsd:integer'"]] f0 --> v4 v2 --"wdt:P31"--> c3 v2 --"wdt:P50"--> v3 bind2[/"count(?auteur)"/] v3 --o bind2 bind2 --as--o v4