query-449606366ff82922b97f13841d31dbd7

Optical glass

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 ?glass ?glassLabel
{
  # an optical glass
  ?glass wdt:P279 wd:Q13326 .

  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("?glass"):::projected c4(["bd:serviceParam"]):::iri c6(["en"]):::literal c2(["wd:Q13326"]):::iri v1 --"wdt:P279"--> c2 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c4 --"wikibase:language"--> c6 end