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Query Wikidata via SPARQL

Usage

Create val
// get the death date for a person
@stevekrouse.wikidata(`SELECT ?person ?personLabel ?death_date WHERE {
  ?person rdfs:label "Henry Kissinger"@en;
        wdt:P31 wd:Q5 . # Ensure the entity is a human
  OPTIONAL {
    ?person wdt:P570 ?death_date . # Try to find a date of death
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}`)

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import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON";
export function wikidata(sparql: string) {
return fetchJSON(
"https://query.wikidata.org/sparql" + "?query=" +
encodeURIComponent(sparql),
{ headers: { accept: "application/sparql-results+json" } },
);
}
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October 23, 2023