assertion  retraction  graph  subject    predicate        object    datatype    annotation
1          0           graph  DOID:738   rdfs:subClassOf  DOID:734  _IRI        
1          0           graph  DOID:736   rdfs:subClassOf  DOID:734  _IRI        
1          0           graph  DOID:734   oio:id           DOID:734  xsd:string  
1          0           graph  DOID:4910  rdfs:subClassOf  DOID:734  _IRI        
1          0           graph  DOID:3750  rdfs:subClassOf  DOID:734  _IRI        
1          0           graph  DOID:4013  rdfs:subClassOf  DOID:734  _IRI