query-7d65b30970b0ae025df64b774d7b1ec4

rq turtle/ttl

Anti-pattern 3Conflicting instance-of relations: C is an instance of A and B, but B is also an instance of A. The following query would fetch these cases:

Use at

• https://query.wikidata.org/sparql

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT ?classA (count(*) as ?count) WHERE {
  ?classC wdt:P31 ?classA;
          wdt:P31 ?classB .
  ?classB wdt:P31 ?classA .
  } group by ?classA order by desc(?count)

Query found at

• https://www.wikidata.org/wiki/Wikidata:WikiProject_Ontology/Problems