void-generator

count_distinct_literal_objects_in_all_graphs

rq turtle/ttl

• void
• literal
• count

Count the number of distinct literals used in the object position of triples (in a pre bound graph) (qlever optimized form)

Use at

• b416926d754141aa91064da16ae1795e66

SELECT 
  (COUNT(?object) AS ?objects) 
  WHERE { 
  {
	SELECT DISTINCT ?object { 
	GRAPH ?graph {
	  ?subject ?predicate ?object . 
	  FILTER (isLiteral(?object))
       }
    }
  } 
}

graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v4("?graph")
  v1("?object"):::projected 
  v5("?objects")
  v3("?predicate")
  v2("?subject")
  f0[["isLiteral(?object)"]]
  f0 --> v1
  v2 -->v3--> v1
  bind2[/"count(?object)"/]
  v1 --o bind2
  bind2 --as--o v5

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