assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:5093     oio:id           DOID:5093  xsd:string  
1          0           graph  DOID:0080532  rdfs:subClassOf  DOID:5093  _IRI        
1          0           graph  DOID:1612     rdfs:subClassOf  DOID:5093  _IRI        
1          0           graph  DOID:5559     rdfs:subClassOf  DOID:5093  _IRI        
1          0           graph  DOID:6758     rdfs:subClassOf  DOID:5093  _IRI        
1          0           graph  DOID:5875     rdfs:subClassOf  DOID:5093  _IRI