query-98fa966a1208c61dfd69066d40ebabac

rq turtle/ttl

se usa en 3476 items, para 7080 artículos en diferentes Wikipedias. Serie de librosSin embargo la clase

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
SELECT (count(?item) as ?n_items) (sum(?n_arts) as ?total) 
WHERE 
{
SELECT ?item (count(?article) as ?n_arts) WHERE { 
  ?item wdt:P31 wd:Q277759 .
  ?article schema:about ?item .
  FILTER (CONTAINS(str(?article),'wikipedia'))
  }
  GROUP BY ?item
  ORDER BY DESC(?n_arts)
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?article") v3("?item"):::projected v4("?n_arts"):::projected v4("?n_items") v5("?total") c3(["wd:Q277759"]):::iri f0[["contains(str(?article),'wikipedia')"]] f0 --> v2 v3 --"wdt:P31"--> c3 v2 --"schema:about"--> v3 bind2[/"count(?article)"/] v2 --o bind2 bind2 --as--o v4 bind5[/"count(?item)"/] v3 --o bind5 bind5 --as--o v4 bind6[/"sum(?n_arts)"/] v4 --o bind6 bind6 --as--o v5