query-27ca74e803592d32b36f6d1fd2521817

rq turtle/ttl

Scholarly articlesHi, with this : QLeverSPARQL having one and only one author (P50 or P2093). It's too huge for the Query Service, so I take the (Q13442814)scholarly article I'm trying to get all the

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 where {?item wdt:P31 wd:Q13442814 ; wdt:P50 ?auteur .} group by ?item having(count(distinct ?auteur) = 1)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?_anon_42b5416610844a34809f33a099ae9de19712") v2("?auteur") v1("?item"):::projected a1((" ")) c3(["wd:Q13442814"]):::iri f0[[" = '1^^xsd:integer'"]] f0 --> a1 v1 --"wdt:P31"--> c3 v1 --"wdt:P50"--> v2 bind2[/"count(?auteur)"/] v2 --o bind2 bind2 --as--o v3