query-fb5ffb1be83235c3e0fb634790851680

rq turtle/ttl

German states with their capitals, area and population

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 ?state ?key ?stateLabel (ROUND(?areaUnrounded) AS ?area) ?population (ROUND(?population/?area) AS ?populationDensity) ?capitalLabel ?capitalPopulation (ROUND(1000*?capitalPopulation/?population)/10 AS ?ratio) WHERE {
#(ROUND(?population/10000)/100 AS ?pop)
  ?state wdt:P31 wd:Q1221156 .
  ?state wdt:P1388 ?key .
  ?state wdt:P1082 ?population .
  ?state wdt:P2046 ?areaUnrounded .
  OPTIONAL{?state wdt:P36 ?capital . ?capital wdt:P1082 ?capitalPopulation}
  FILTER NOT EXISTS {?state wdt:P576 ?end} .
  SERVICE wikibase:label{bd:serviceParam wikibase:language "de"}
}
ORDER BY ?stateLabel

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v9("?area"):::projected v6("?areaUnrounded"):::projected v7("?capital") v8("?capitalPopulation"):::projected v3("?end") v4("?key"):::projected v5("?population"):::projected v10("?populationDensity") v11("?ratio") v2("?state"):::projected v1("?stateLabel"):::projected c11(["de"]):::literal c9(["bd:serviceParam"]):::iri c3(["wd:Q1221156"]):::iri f0[["not "]] subgraph f0e0["Exists Clause"] e0v1 --"wdt:P576"--> e0v2 e0v2("?end"):::projected e0v1("?state"):::projected end f0--EXISTS--> f0e0 f0 --> v2 f0 --> c1 f0 --> v3 v2 --"wdt:P576"--> v3 v2 --"wdt:P31"--> c3 v2 --"wdt:P1388"--> v4 v2 --"wdt:P1082"--> v5 v2 --"wdt:P2046"--> v6 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v2 -."wdt:P36".-> v7 v7 --"wdt:P1082"--> v8 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c9 --"wikibase:language"--> c11 end bind1[/"numeric-round(?areaUnrounded)"/] v6 --o bind1 bind1 --as--o v9 bind2[/"numeric-round(?population / ?area)"/] v5 --o bind2 v9 --o bind2 bind2 --as--o v10 bind3[/"numeric-round('1000^^xsd:integer' * ?capitalPopulation / ?population) / '10^^xsd:integer'"/] v8 --o bind3 v5 --o bind3 bind3 --as--o v11