query-bc6c88821da0fa1f0593a892e9ede3e3

number of works per year

Use at

https://query.wikidata.org/sparql

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?year (count(?item) as ?count) (SAMPLE(?item) as ?sampleitem) WHERE {
 ?item wdt:P170 wd:Q381238 .      
 ?item wdt:P571 ?date.
 BIND ( YEAR(?date) as ?year).
} group by ?year
order by ?year

Query found at

https://www.wikidata.org/wiki/User:Jarekt/Witkacy_queries

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?count") v3("?date") v2("?item"):::projected v5("?sampleitem") v4("?year"):::projected c2(["wd:Q381238"]):::iri v2 --"wdt:P170"--> c2 v2 --"wdt:P571"--> v3 bind0[/"year-from-dateTime(?date)"/] v3 --o bind0 bind0 --as--o v4 bind3[/"count(?item)"/] v2 --o bind3 bind3 --as--o v4 bind4[/"sample(?item)"/] v2 --o bind4 bind4 --as--o v5