assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:7729  rdfs:subClassOf  DOID:3111  _IRI        
1          0           graph  DOID:3603  rdfs:subClassOf  DOID:3111  _IRI        
1          0           graph  DOID:3114  rdfs:subClassOf  DOID:3111  _IRI        
1          0           graph  DOID:3111  oio:id           DOID:3111  xsd:string  
1          0           graph  DOID:3110  rdfs:subClassOf  DOID:3111  _IRI