query-514a9a02a2eb80f6628a1a1324b010df

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT DISTINCT ?item ?itemLabel ?article WHERE {
  ?item wdt:P31 wd:Q5.
  ?item wdt:P106 wd:Q4964182.
  ?item wdt:P27 wd:Q30.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "nl,en". }
  FILTER(NOT EXISTS {
    ?article schema:about ?item.
    ?article schema:isPartOf <https://nl.wikibooks.org/>.
  })
}
ORDER BY (?itemLabel)

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?article"):::projected v3("?item"):::projected v1("?itemLabel"):::projected c13(["nl,en"]):::literal c9(["wd:Q30"]):::iri c7(["wd:Q4964182"]):::iri c11(["bd:serviceParam"]):::iri c3([https://nl.wikibooks.org/]):::iri c5(["wd:Q5"]):::iri f0[["not "]] subgraph f0e0["Exists Clause"] e0v1 --"schema:about"--> e0v2 e0v1 --"schema:isPartOf"--> e0c3 e0v1("?article"):::projected e0v2("?item"):::projected e0c3([https://nl.wikibooks.org/]):::iri end f0--EXISTS--> f0e0 f0 --> v2 f0 --> c1 f0 --> v3 f0 --> c2 f0 --> c3 v2 --"schema:about"--> v3 v2 --"schema:isPartOf"--> c3 v3 --"wdt:P31"--> c5 v3 --"wdt:P106"--> c7 v3 --"wdt:P27"--> c9 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c11 --"wikibase:language"--> c13 end