query-55142595196aad63395c7da23503640d

rq turtle/ttl

Finding classes of items with time zone specified

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT DISTINCT ?class ?classLabel ?zones ?items WHERE {
  {
    SELECT DISTINCT ?class (COUNT(DISTINCT ?zone) AS ?zones) (COUNT(DISTINCT ?item) AS ?items) WHERE {
      ?item wdt:P421 ?zone.
      ?item wdt:P31 ?class.
    }
    GROUP BY ?class
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
ORDER BY DESC(?items)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?class"):::projected v2("?item") v6("?items"):::projected v3("?zone") v5("?zones"):::projected c4(["bd:serviceParam"]):::iri c6(["en"]):::literal v2 --"wdt:P421"--> v3 v2 --"wdt:P31"--> v4 bind2[/"count(?zone)"/] v3 --o bind2 bind2 --as--o v5 bind3[/"count(?item)"/] v2 --o bind3 bind3 --as--o v6 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c4 --"wikibase:language"--> c6 end