query-1e9bfc9ab4c06ceb430f3e41c32fb380

rq turtle/ttl

More higherWith this query I have the lis of all the chess player with ELO > 2700, The problem is that are reported more rows for item. I need only the most recent higher ELO or the oldest higher ELO is feasible? (regardless of rank.)

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT distinct ?item ?itemLabel ?elo ?date WHERE {
  ?item wdt:P1087 ?elo .
  FILTER(?elo > 2700)
  optional {?item p:P1087 ?statement .}
  optional {?statement pq:P585 ?date .}

  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?date"):::projected v1("?elo"):::projected v2("?item"):::projected v3("?statement") c6(["bd:serviceParam"]):::iri c8(["#91;AUTO_LANGUAGE#93;,en"]):::literal f0[["?elo > '2700^^xsd:integer'"]] f0 --> v1 v2 --"p:direct/P1087"--> v1 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v2 -."p:P1087".-> v3 end subgraph optional1["(optional)"] style optional1 fill:#bbf,stroke-dasharray: 5 5; v3 -."p:qualifier/P585".-> v4 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c6 --"wikibase:language"--> c8 end