assertion  retraction  graph  subject     predicate        object    datatype    annotation
1          0           graph  DOID:117    oio:id           DOID:117  xsd:string  
1          0           graph  DOID:116    rdfs:subClassOf  DOID:117  _IRI        
1          0           graph  DOID:5877   rdfs:subClassOf  DOID:117  _IRI        
1          0           graph  DOID:14535  rdfs:subClassOf  DOID:117  _IRI        
1          0           graph  DOID:6547   rdfs:subClassOf  DOID:117  _IRI        
1          0           graph  DOID:5262   rdfs:subClassOf  DOID:117  _IRI        
1          0           graph  DOID:9299   rdfs:subClassOf  DOID:117  _IRI