query-a337228a0394d59b0d8625aa33d7a425

rq turtle/ttl

Incomplete database reference

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX pr: <http://www.wikidata.org/prop/reference/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?itemLabel ?valueLabel WHERE {
  ?item p:P106/ps:P106/wdt:P279* wd:Q26270618 . # limited to rowing persons
  ?item ?property ?statement .
  ?statement prov:wasDerivedFrom ?source .
  ?source pr:P248 wd:Q21008628 . # stated in Q21008628 World Rowing Database or Q18002875 Sports-Reference.com
  MINUS { ?source pr:P813 ?title . } # but P813 retrieval date is missing; P1476 title; P1447/P2091 ID; P407 language
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?item"):::projected v2("?property") v4("?source") v3("?statement") v5("?title") a1((" ")) a2((" ")) c10(["bd:serviceParam"]):::iri c4(["wd:Q26270618"]):::iri c12(["en"]):::literal c7(["wd:Q21008628"]):::iri v1 --"p:P106"--> a1 a1 --"p:statement/P106"--> a2 a2 --"p:direct/P279"--> c4 v1 -->v2--> v3 v3 --"prov:wasDerivedFrom"--> v4 v4 --"p:reference/P248"--> c7 subgraph minus0["MINUS"] style minus0 stroke-width:6px,fill:pink,stroke:red; v4 --"p:reference/P813"--> v5 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c10 --"wikibase:language"--> c12 end