query-fac5b9f3e797b36a58e4b63dee2afb36

rq turtle/ttl

Who develops operating systems

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#>
#defaultView:BubbleChart
SELECT ?class ?classLabel (COUNT(?developer) AS ?count) WHERE {
  ?os wdt:P31/wdt:P279* wd:Q9135.
  ?os wdt:P178 ?developer.
  ?developer wdt:P31 ?class
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
GROUP BY ?class ?classLabel
ORDER BY DESC(?count)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?class"):::projected v5("?count") v3("?developer"):::projected v2("?os") a1((" ")) c3(["wd:Q9135"]):::iri c6(["bd:serviceParam"]):::iri c8(["en"]):::literal v2 --"wdt:P31"--> a1 a1 --"wdt:P279"--> c3 v2 --"wdt:P178"--> v3 v3 --"wdt:P31"--> v4 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c6 --"wikibase:language"--> c8 end bind1[/"count(?developer)"/] v3 --o bind1 bind1 --as--o v5