query-dcad8611e24b8b14ec738881a9eb6345

rq turtle/ttl

title:Only one birth date referenced only from a Wikimedia project SELECT ?item (COUNT(DISTINCT ?st) AS ?nst) WHERE { hint:Query hint:optimizer "None" . ?item wdt:P1986 ?dbi; p:P569 ?st . ?st prov:wasDerivedFrom ?ref . ?ref pr:P143 [] . FILTER NOT EXISTS { ?st prov:wasDerivedFrom ?other . FILTER( ?other != ?ref ) } } GROUP BY ?item HAVING(?nst = 1)

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX pr: <http://www.wikidata.org/prop/reference/>
PREFIX p: <http://www.wikidata.org/prop/>
#title:Only one birth date referenced only from a Wikimedia project
SELECT ?item (COUNT(DISTINCT ?st) AS ?nst)
WHERE
{

  ?item wdt:P1986 ?dbi; p:P569 ?st . ?st prov:wasDerivedFrom ?ref . ?ref pr:P143 [] . 
  FILTER NOT EXISTS { ?st prov:wasDerivedFrom ?other . FILTER( ?other != ?ref ) }
}
GROUP BY ?item
HAVING(?nst = 1)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v6("?dbi") v5("?item"):::projected v7("?nst") v2("?other") v3("?ref") v4("?st"):::projected a1((" ")) f0[["?nst = '1^^xsd:integer'"]] f0 --> v7 f1[["not "]] subgraph f1e0["Exists Clause"] e0f0[["?other != ?ref"]] e0f0 --> e0v1 e0f0 --> e0v2 e0v3 --"prov:wasDerivedFrom"--> e0v1 e0v1("?other"):::projected e0v2("?ref"):::projected e0v3("?st"):::projected end f1--EXISTS--> f1e0 f1 --> v2 f1 --> v3 f1 --> v4 f1 --> c2 f2[["?other != ?ref"]] f2 --> v2 f2 --> v3 v4 --"prov:wasDerivedFrom"--> v2 v5 --"p:direct/P1986"--> v6 v5 --"p:P569"--> v4 v4 --"prov:wasDerivedFrom"--> v3 v3 --"p:reference/P143"--> a1 bind4[/"count(?st)"/] v4 --o bind4 bind4 --as--o v7