query-44d9e05ba4be25a404b3c22c52b4fef7

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 ?opened
WHERE 
{
  ?item wdt:P31 wd:Q928830.              # it's a metro station
  {?item wdt:P131/wdt:P131* wd:Q64 .}       # located in Berlin
  UNION       
  {?item wdt:P131/wdt:P131* wd:Q821435 .}   # or a borough of Berlin
  OPTIONAL { ?item wdt:P1619 ?opened . } # it may have an opening date
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],de". }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?item"):::projected v2("?opened"):::projected a1((" ")) a2((" ")) c2(["wd:Q928830"]):::iri c10(["#91;AUTO_LANGUAGE#93;,de"]):::literal c5(["wd:Q821435"]):::iri c8(["bd:serviceParam"]):::iri c4(["wd:Q64"]):::iri v1 --"wdt:P31"--> c2 subgraph union0[" Union "] subgraph union0l[" "] style union0l fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P131"--> a2 a2 --"wdt:P131"--> c5 end subgraph union0r[" "] style union0r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P131"--> a1 a1 --"wdt:P131"--> c4 end union0r <== or ==> union0l end subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P1619".-> v2 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c8 --"wikibase:language"--> c10 end