assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:8162  rdfs:subClassOf  DOID:6204  _IRI        
1          0           graph  DOID:8292  rdfs:subClassOf  DOID:6204  _IRI        
1          0           graph  DOID:8419  rdfs:subClassOf  DOID:6204  _IRI        
1          0           graph  DOID:6204  oio:id           DOID:6204  xsd:string  
1          0           graph  DOID:6203  rdfs:subClassOf  DOID:6204  _IRI        
1          0           graph  DOID:8102  rdfs:subClassOf  DOID:6204  _IRI