query-2056abe0227504aff489ea86f606c215

rq turtle/ttl

Fields Medals per year

Use at

PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX v: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>

SELECT ?year (COUNT(?mathematician) AS ?number) WHERE {
  SELECT (YEAR(?awarded) AS ?year) ?mathematician WHERE {
    ?mathematician p:P166 ?fields .
    ?fields v:P166 wd:Q28835 .
    ?fields pq:P585 ?awarded .
  }
}
GROUP BY ?year
ORDER BY ASC(?year)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?awarded") v3("?fields") v2("?mathematician"):::projected v5("?number") v5("?year"):::projected c3(["wd:Q28835"]):::iri v2 --"p:P166"--> v3 v3 --"p:statement/P166"--> c3 v3 --"p:qualifier/P585"--> v4 bind0[/"year-from-dateTime(?awarded)"/] v4 --o bind0 bind0 --as--o v5 bind2[/"count(?mathematician)"/] v2 --o bind2 bind2 --as--o v5