query-923e34c545ac7a156b5c664873377bea

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#>
#defaultView:BarChart
#Comparison of lengths of different metro systems
SELECT DISTINCT ?item ?itemLabel ?len WHERE {
  ?item wdt:P31 wd:Q15099348.
  { ?item wdt:P131 wd:Q278204 }
  UNION { ?item wdt:P131 wd:Q238508 }
  UNION { ?item wdt:P131 wd:Q1353 }
  UNION { ?item wdt:P131 wd:Q200663 }
  UNION { ?item wdt:P131 wd:Q207098 }

  ?item wdt:P2043 ?len

  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?item"):::projected v2("?len"):::projected c8(["wd:Q207098"]):::iri c13(["en"]):::literal c4(["wd:Q278204"]):::iri c7(["wd:Q200663"]):::iri c11(["bd:serviceParam"]):::iri c6(["wd:Q1353"]):::iri c5(["wd:Q238508"]):::iri c2(["wd:Q15099348"]):::iri v1 --"wdt:P31"--> c2 subgraph union0[" Union "] subgraph union0l[" "] style union0l fill:#abf,stroke-dasharray: 3 3; subgraph union1[" Union "] subgraph union1l[" "] style union1l fill:#abf,stroke-dasharray: 3 3; subgraph union2[" Union "] subgraph union2l[" "] style union2l fill:#abf,stroke-dasharray: 3 3; subgraph union3[" Union "] subgraph union3l[" "] style union3l fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P131"--> c8 end subgraph union3r[" "] style union3r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P131"--> c7 end union3r <== or ==> union3l end end subgraph union2r[" "] style union2r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P131"--> c6 end union2r <== or ==> union2l end end subgraph union1r[" "] style union1r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P131"--> c5 end union1r <== or ==> union1l end end subgraph union0r[" "] style union0r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P131"--> c4 end union0r <== or ==> union0l end v1 --"wdt:P2043"--> v2 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c11 --"wikibase:language"--> c13 end