query-96fc3911dff51c0e05432cef06644975

Give me all chemists!

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 ?p ?pLabel ?birthdate
WHERE 
{
  ?p wdt:P106 wd:Q593644 . 
  OPTIONAL { ?p wdt:P569 ?birthdate }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "de,en" . }
} ORDER BY DESC(?birthdate)

Query found at

https://www.wikidata.org/wiki/User:Wiljes/chemistry

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?birthdate"):::projected v2("?p"):::projected c5(["bd:serviceParam"]):::iri c7(["de,en"]):::literal c2(["wd:Q593644"]):::iri v2 --"wdt:P106"--> c2 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v2 -."wdt:P569".-> v1 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c5 --"wikibase:language"--> c7 end