add-chebi-maptype.rq

SELECT ?item ?key ?iref ?irank ?cstmt ?rel
WHERE 
{
  ?item p:P235 ?stmt.
  ?stmt ps:P235 ?key.
  OPTIONAL {
    ?stmt prov:wasDerivedFrom ?refnode.
    OPTIONAL {
      ?refnode pr:P248 ?iref.
    }
  }
  ?stmt wikibase:rank ?irank.
  ?item p:P683 ?cstmt.
  OPTIONAL {
    ?cstmt ps:P4390 ?rel
  }
}