query-4ae05caa5db4776a4d0f692e623daeb5

rq turtle/ttl

Scientific paper main subjects by general area TalkScientific paper main subjects by general area documentation, Fatameh tool for reference by URL(Q51993)Ebola hemorrhagic fever for discussion of referencing identifiers(Q18986800)Akram Mamazhonovich Makhmedov Wikidata statistics What Wikidata knows about subclasses of "library" Cheese chart

Use at

• https://query.wikidata.org/sparql

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 ?area ?areaLabel ?count
WHERE 
{
  {
    SELECT ?area (COUNT(?item) AS ?count)    
WHERE {
        ?item wdt:P31 wd:Q13442814 .
        ?item wdt:P921 ?subject .
        ?subject wdt:P31 ?area .

       }
  GROUP BY ?area 
  }
   SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
ORDER BY DESC(?count)
LIMIT 100

Query found at

• https://www.wikidata.org/wiki/User:Charles_Matthews/Queries
• https://www.wikidata.org/wiki/User:Charles_Matthews/Training_supporting_links3