query-e813d41612a736bf155cebb4dea6e302

rq turtle/ttl

Chess olympiad participantes: . This is what I tried and what does not work: (P1344)participant in , but not (P3940)OlimpBase Chess Olympiad player ID I am looking for all chess players that have

Use at

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 DISTINCT ?item ?itemLabel
WHERE
{
    ?item wdt:P3940 ?value .
    ?olymp wdt:P31 wd:Q428303 .
    MINUS { ?item wdt:P1344 ?olymp }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "de,en" } .
}
LIMIT 1000

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?item"):::projected v3("?olymp") v2("?value") c6(["bd:serviceParam"]):::iri c8(["de,en"]):::literal c3(["wd:Q428303"]):::iri v1 --"wdt:P3940"--> v2 v3 --"wdt:P31"--> c3 subgraph minus0["MINUS"] style minus0 stroke-width:6px,fill:pink,stroke:red; v1 --"wdt:P1344"--> v3 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c6 --"wikibase:language"--> c8 end