query-50b403c02207e0d03efca03a4a4692b1

OPTIONALIn the exercises above, we had a query for all books by Sir Arthur Conan Doyle: TODO

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 ?book ?bookLabel
WHERE
{
  ?book wdt:P50 wd:Q35610.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}

Query found at

https://www.wikidata.org/wiki/User:D1gggg/Wikidata_model_and_SPARQL
https://www.wikidata.org/wiki/User:TweetsFactsAndQueries/A_Guide_To_WDQS/Staging

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?book"):::projected c4(["bd:serviceParam"]):::iri c6(["en"]):::literal c2(["wd:Q35610"]):::iri v1 --"wdt:P50"--> c2 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c4 --"wikibase:language"--> c6 end