assertion  retraction  graph  subject     predicate        object      datatype    annotation
1          0           graph  DOID:11239  rdfs:subClassOf  DOID:10155  _IRI        
1          0           graph  DOID:10155  oio:id           DOID:10155  xsd:string  
1          0           graph  DOID:10154  rdfs:subClassOf  DOID:10155  _IRI        
1          0           graph  DOID:5672   rdfs:subClassOf  DOID:10155  _IRI