query-73b3087ca69d5b8ed04a40169c74870a

Books by spouses of US presidents Bücher von Ehepartnerinnen US-amerikanischer Präsidentinnen

Use at

https://query.wikidata.org/sparql

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT DISTINCT ?p ?pLabel ?s ?sLabel ?book ?bookLabel WHERE {
  ?p wdt:P39  wd:Q11696 .
  ?p wdt:P26 ?s.
  ?book wdt:P50 ?s .
  SERVICE wikibase:label { bd:serviceParam wikibase:language "de,en". }
}

Query found at

https://www.wikidata.org/wiki/User:Wiljes/2021-05-21_Kolloquium_Wissensinfrastruktur_UniBI
https://www.wikidata.org/wiki/User:Wiljes/2021-06-24_Kolloquium_AG-SC

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?book"):::projected v1("?p"):::projected v2("?s"):::projected c6(["bd:serviceParam"]):::iri c8(["de,en"]):::literal c2(["wd:Q11696"]):::iri v1 --"wdt:P39"--> c2 v1 --"wdt:P26"--> v2 v3 --"wdt:P50"--> v2 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c6 --"wikibase:language"--> c8 end