query-5de95610646c3e54aefa8d709b1611b8

rq turtle/ttl

Problem with prefix count query

Use at

• https://query.wikidata.org/sparql

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT (SUBSTR(?imdb,1,2) AS ?prefix) (COUNT(DISTINCT(?imdb)) AS ?number) WHERE {
  ?item wdt:P345 ?imdb
} GROUP BY ?prefix

Query found at

• https://www.wikidata.org/wiki/Wikidata_talk:SPARQL_query_service/queries/Archive/2016