query-1ec7516525140d7d553a18a58e1253fc

rq turtle/ttl

Not DISTINCT? I don't understand why the following query yields duplicate rows:

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
SELECT DISTINCT ?sen ?article WHERE {
  #VALUES ?sen { wd:Q2613704 }
  ?sen p:P39 ?stmt;
       ^schema:about ?article.
  ?article schema:inLanguage "en-simple".
  ?stmt ps:P39 wd:Q4416090;
    pq:P2937 ?term;
    wikibase:rank ?rank.
  FILTER(?rank = wikibase:NormalRank)
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?article"):::projected v1("?rank") v2("?sen"):::projected v3("?stmt") v5("?term") c7(["wd:Q4416090"]):::iri c5(["en-simple"]):::literal f0[["?rank = 'wikibase:NormalRank'"]] f0 --> v1 v2 --"p:P39"--> v3 v4 --"schema:about"--> v2 v4 --"schema:inLanguage"--> c5 v3 --"p:statement/P39"--> c7 v3 --"p:qualifier/P2937"--> v5 v3 --"wikibase:rank"--> v1