query-852add4947b3be8d009f80eaee33a1fd

rq turtle/ttl

عدد البيانات المدعومة من مرجع مع معرف الوثيقة الرقمية number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI počet tvrzení podložených referencí s DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI Nombre de déclarations avec une référence qui possède un DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI numero di dichiarazioni supportate da un riferimento con un DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI Het aantal feiten die een referentie met DOI hebben number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI number of statements backed by a reference with a DOI

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX prov: <http://www.w3.org/ns/prov#>
SELECT (COUNT (?statement) as ?statements)
WHERE
{
  ?entry ?p ?statement .
  ?statement prov:wasDerivedFrom/
       <http://www.wikidata.org/prop/reference/P248>/
       wdt:P356 ?doi .
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?doi") v1("?entry") v2("?p") v3("?statement"):::projected v5("?statements") a1((" ")) a2((" ")) v1 -->v2--> v3 v3 --"prov:wasDerivedFrom"--> a1 a1 --http://www.wikidata.org/prop/reference/P248--> a2 a2 --"wdt:P356"--> v4 bind1[/"count(?statement)"/] v3 --o bind1 bind1 --as--o v5