query-d09aa3d72e8e4865e1c6edc98b7182b0

rq turtle/ttl

Steak

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
SELECT ?year (COUNT(*) AS ?cnt) (FLOOR(AVG(?year - YEAR(?dob))) AS ?avg_age) WHERE {
  ?item p:P2962 [ ps:P2962 wd:Q105269; pq:P580 ?start ]; wdt:P569 ?dob .
  BIND(YEAR(?start) AS ?year) .  
} GROUP BY ?year ORDER BY ASC(?year)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v6("?avg_age") v5("?cnt") v4("?dob") v3("?item") v2("?start") v5("?year"):::projected a1((" ")) c2(["wd:Q105269"]):::iri a1 --"p:statement/P2962"--> c2 a1 --"p:qualifier/P580"--> v2 v3 --"p:P2962"--> a1 v3 --"p:direct/P569"--> v4 bind0[/"year-from-dateTime(?start)"/] v2 --o bind0 bind0 --as--o v5 bind3[/"count(*)"/] bind3 --as--o v5 bind4[/"numeric-floor()"/] null --o bind4 bind4 --as--o v6