query-89a8237c5bb9c4f2d3cbe1b1c2610f8a

rq turtle/ttl

405 (auxiliary) WFM Dictionary No.

Use at

PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
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#>
#Yearly discovery figures for astronomical object types, from 1950.
#defaultView:LineChart
SELECT ?year (COUNT(?class) AS ?count) ?classLabel 
WHERE
{
    ?object wdt:P31 ?class .
    ?class wdt:P31/wdt:P279* wd:Q17444909.
    ?object wdt:P575 ?time
    BIND(str(YEAR(?time)) AS ?year)
    FILTER (?time >= "1950-00-00T00:00:00Z"^^xsd:dateTime)
    SERVICE wikibase:label {bd:serviceParam wikibase:language "en" .}
}
GROUP BY ?year ?classLabel

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?class"):::projected v5("?count") v2("?object") v1("?time") v4("?year"):::projected a1((" ")) c4(["wd:Q17444909"]):::iri c7(["bd:serviceParam"]):::iri c9(["en"]):::literal f0[["?time >= '1950-00-00T00:00:00Z^^xsd:dateTime'"]] f0 --> v1 v2 --"wdt:P31"--> v3 v3 --"wdt:P31"--> a1 a1 --"wdt:P279"--> c4 v2 --"wdt:P575"--> v1 bind1[/"str(year-from-dateTime(?time))"/] v1 --o bind1 bind1 --as--o v4 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c7 --"wikibase:language"--> c9 end bind3[/"count(?class)"/] v3 --o bind3 bind3 --as--o v5