(INTERNAL,http://www.w3.org/2000/01/rdf-schema#subClassOf) (CLASS,<http://www.CareLex.org/2012/carelex.owl#Investigator_Documents>)
prefix owl: <http://www.w3.org/2002/07/owl#> prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> prefix xsd: <http://www.w3.org/2001/XMLSchema#> ask where { ?x0 <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://www.CareLex.org/2012/carelex.owl#Investigator_Documents>. }