query-6226a3c938d051c52f21ff6ae3c60916

rq turtle/ttl

)?(Q1248784)airport Something like this (ie. all subclasses of ) at 8. 8. 2018, 15:49‎ (UTC).contribs • talk (Bouzinac comment was added byunsignedThe preceding – I meant the items linked as p31 (not airports, but what kind of sub-items are linked/apparented to "airports" ? 12:07, 8 August 2018 (UTC)) talk (Matěj SuchánekHow would you recognize an airport when you cannot query after one of those classes? By Wikimedia categories? : Edit conflict, but here's a similar query - Matěj Suchánek, Bouzinac@

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 ?type ?typeLabel ?count where {
{ 
  SELECT ?type (count(?item) as ?count) where
  { ?type wdt:P279* wd:Q20977775 . # all things that are a subclass of air transport infrastructure
    ?item wdt:P31 ?type . } group by ?type } 
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
} order by desc(?count)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?count"):::projected v3("?item") v2("?type"):::projected c5(["bd:serviceParam"]):::iri c7(["#91;AUTO_LANGUAGE#93;,en"]):::literal c2(["wd:Q20977775"]):::iri v2 --"wdt:P279"--> c2 v3 --"wdt:P31"--> v2 bind1[/"count(?item)"/] v3 --o bind1 bind1 --as--o v4 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c5 --"wikibase:language"--> c7 end