query-2caeb88801077d17fe78dc301b791f60

rq turtle/ttl

). (Q1203807)Earth ellipsoid (and the general (Q1335878)reference ellipsoid There is Look for reference ellipsoids; no EPSG.

Use at

https://query.wikidata.org/sparql

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#>
SELECT ?RE ?RELabel WHERE {
  # a Reference Ellipsoid
  ?RE wdt:P31/wdt:P279* wd:Q1335878 .

  SERVICE wikibase:label {
     bd:serviceParam wikibase:language "en" .
  }
}

Query found at

https://www.wikidata.org/wiki/User:Glrx

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?RE"):::projected a1((" ")) c5(["bd:serviceParam"]):::iri c7(["en"]):::literal c3(["wd:Q1335878"]):::iri v1 --"wdt:P31"--> a1 a1 --"wdt:P279"--> c3 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c5 --"wikibase:language"--> c7 end