assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:8791     rdfs:subClassOf  DOID:3463  _IRI        
1          0           graph  DOID:1612     rdfs:subClassOf  DOID:3463  _IRI        
1          0           graph  DOID:0060082  rdfs:subClassOf  DOID:3463  _IRI        
1          0           graph  DOID:3463     oio:id           DOID:3463  xsd:string  
1          0           graph  DOID:10690    rdfs:subClassOf  DOID:3463  _IRI