query-6e5e91587341afdea9f93aeb362084b5

rq turtle/ttl

(P648)Open Library ID AND (P214)VIAF ID With not mandatory (P648)Open Library ID , (P214)VIAF ID With

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?label ?Viaf ?Libr WHERE {
  ?item wdt:P31 wd:Q5.
  ?item wdt:P214 ?Viaf.
  OPTIONAL { ?item wdt:P648 ?Libr. }
  SERVICE wikibase:label {
    bd:serviceParam wikibase:language "en" . 
    ?item rdfs:label ?label
  }
}
LIMIT 100

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?Libr"):::projected v2("?Viaf"):::projected v1("?item"):::projected v4("?label"):::projected c6(["bd:serviceParam"]):::iri c2(["wd:Q5"]):::iri c8(["en"]):::literal v1 --"wdt:P31"--> c2 v1 --"wdt:P214"--> v2 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P648".-> v3 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c6 --"wikibase:language"--> c8 v1 --"rdfs:label"--> v4 end