void-generator

count_distinct_subjects_objects_in_a_graph

rq turtle/ttl

• void
• object
• count
• distinct
• subject

Count the number of distinct IRIs used in the object position of triples in graphs

Use at

• b416926d754141aa91064da16ae1795e60

SELECT
  (COUNT(DISTINCT ?s) AS ?subjects)
  (COUNT(DISTINCT ?o) AS ?objects)
WHERE {
  GRAPH ?graph {
	?s ?p ?o .
  }
}

graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v4("?graph")
  v3("?o"):::projected 
  v6("?objects")
  v2("?p")
  v1("?s"):::projected 
  v5("?subjects")
  v1 -->v2--> v3
  bind2[/"count(?s)"/]
  v1 --o bind2
  bind2 --as--o v5
  bind3[/"count(?o)"/]
  v3 --o bind3
  bind3 --as--o v6

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