query-ab438fcf9ef904d2fb221529e669ffbd

rq turtle/ttl

Chart of number books on animal magnetism (1766-1880) grouped by decade SELECT ?decade (COUNT(?item) AS ?noB) WHERE { ?item wdt:P2 wd:Q394362; wdt:P243 wd:Q172203; wdt:P222 ?date. BIND(YEAR(?date) AS ?year) BIND(STR((ROUND(?year / 10 )) * 10) AS ?decade) } GROUP BY ?decade ORDER BY (?decade)

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
#Chart of number books on animal magnetism (1766-1880) grouped by decade
SELECT ?decade (COUNT(?item) AS ?noB) WHERE {
  ?item wdt:P2 wd:Q394362;
    wdt:P243 wd:Q172203;
    wdt:P222 ?date.
  BIND(YEAR(?date) AS ?year)
  BIND(STR((ROUND(?year / 10 )) * 10)  AS ?decade)
}
GROUP BY ?decade
ORDER BY (?decade)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?date") v5("?decade"):::projected v2("?item"):::projected v5("?noB") v4("?year") c2(["wd:Q394362"]):::iri c4(["wd:Q172203"]):::iri v2 --"wdt:P2"--> c2 v2 --"wdt:P243"--> c4 v2 --"wdt:P222"--> v3 bind0[/"year-from-dateTime(?date)"/] v3 --o bind0 bind0 --as--o v4 bind1[/"str(numeric-round(?year / '10^^xsd:integer') * '10^^xsd:integer')"/] v4 --o bind1 bind1 --as--o v5 bind3[/"count(?item)"/] v2 --o bind3 bind3 --as--o v5