assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:0001816  oio:id           DOID:0001816  xsd:string  
1          0           graph  DOID:4527     rdfs:subClassOf  DOID:0001816  _IRI        
1          0           graph  DOID:4505     rdfs:subClassOf  DOID:0001816  _IRI        
1          0           graph  DOID:4525     rdfs:subClassOf  DOID:0001816  _IRI        
1          0           graph  DOID:4513     rdfs:subClassOf  DOID:0001816  _IRI        
1          0           graph  DOID:268      rdfs:subClassOf  DOID:0001816  _IRI        
1          0           graph  DOID:4512     rdfs:subClassOf  DOID:0001816  _IRI        
1          0           graph  DOID:4522     rdfs:subClassOf  DOID:0001816  _IRI        
1          0           graph  DOID:4510     rdfs:subClassOf  DOID:0001816  _IRI        
1          0           graph  DOID:265      rdfs:subClassOf  DOID:0001816  _IRI