query-98f03dd38ccea719c3edc727a47db057

rq turtle/ttl

Jeugdliteratuur (2)Hi all! I have a problem: this simple query,

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX pr: <http://www.wikidata.org/prop/reference/>
SELECT DISTINCT ?link
WHERE {
  wd:Q48794415 wdt:P569 ?v .
  ?v prov:wasDerivedFrom ?ref .
  ?ref pr:P854 ?link .
  FILTER(contains(str(?link), "http://jeugdliteratuur.org"))
 }

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?link"):::projected v3("?ref") v2("?v") c2(["wd:Q48794415"]):::iri f0[["contains(str(?link),'http://jeugdliteratuur.org')"]] f0 --> v1 c2 --"wdt:P569"--> v2 v2 --"prov:wasDerivedFrom"--> v3 v3 --"pr:P854"--> v1