query-c9450c12a7fd06c1da4036e971007911

rq turtle/ttl

TODO

Use at

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 ?item ?itemLabel 
WHERE
{
  ?item wdt:P1433 wd:Q53953275 .
  ?item wdt:P31 wd:Q13442814 .
  optional { ?item wdt:P50 ?author . }
  optional { ?item wdt:P2093 ?authorstring . }
  filter(!bound(?author) && !bound(?authorstring) )
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?author") v2("?authorstring") v3("?item"):::projected c2(["wd:Q53953275"]):::iri c4(["wd:Q13442814"]):::iri c8(["bd:serviceParam"]):::iri c10(["en"]):::literal f0[["not bound(?author)not bound(?authorstring)"]] f0 --> v1 f0 --> v2 v3 --"wdt:P1433"--> c2 v3 --"wdt:P31"--> c4 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v3 -."wdt:P50".-> v1 end subgraph optional1["(optional)"] style optional1 fill:#bbf,stroke-dasharray: 5 5; v3 -."wdt:P2093".-> v2 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c8 --"wikibase:language"--> c10 end