assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:3093     oio:id           DOID:3093  xsd:string  
1          0           graph  DOID:0060116  rdfs:subClassOf  DOID:3093  _IRI        
1          0           graph  DOID:3620     rdfs:subClassOf  DOID:3093  _IRI        
1          0           graph  DOID:1192     rdfs:subClassOf  DOID:3093  _IRI        
1          0           graph  DOID:171      rdfs:subClassOf  DOID:3093  _IRI