query-b7d7df909104cfa2bda86f20dd74d9a0

rq turtle/ttl

Should redirects work in a sparql query?Hello, , but the following query returns no results with the former but does show results with the latter. (Q4416090)United States senator redirects to (Q13217683)United States senator It seems that

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 pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?itemLabel ?start ?end ?term ?termLabel ?district ?districtLabel ?group ?groupLabel WHERE { 
  ?item p:P39 ?ps .
  ?ps ps:P39 [ wdt:P279* wd:13217683 ].
  OPTIONAL { ?ps pq:P580 ?start }
  OPTIONAL { ?ps pq:P582 ?end }
  OPTIONAL { ?ps pq:P2937 ?term }
  OPTIONAL { ?ps pq:P768 ?district }
  OPTIONAL { ?ps pq:P4100 ?group }

  #FILTER NOT EXISTS { ?ps pq:P768 [] }
  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; v6("?district"):::projected v4("?end"):::projected v7("?group"):::projected v1("?item"):::projected v2("?ps") v3("?start"):::projected v5("?term"):::projected a1((" ")) c3(["wd:13217683"]):::iri c11(["bd:serviceParam"]):::iri c13(["#91;AUTO_LANGUAGE#93;,en"]):::literal v1 --"p:P39"--> v2 a1 --"p:direct/P279"--> c3 v2 --"p:statement/P39"--> a1 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v2 -."p:qualifier/P580".-> v3 end subgraph optional1["(optional)"] style optional1 fill:#bbf,stroke-dasharray: 5 5; v2 -."p:qualifier/P582".-> v4 end subgraph optional2["(optional)"] style optional2 fill:#bbf,stroke-dasharray: 5 5; v2 -."p:qualifier/P2937".-> v5 end subgraph optional3["(optional)"] style optional3 fill:#bbf,stroke-dasharray: 5 5; v2 -."p:qualifier/P768".-> v6 end subgraph optional4["(optional)"] style optional4 fill:#bbf,stroke-dasharray: 5 5; v2 -."p:qualifier/P4100".-> v7 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c11 --"wikibase:language"--> c13 end