assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:0050117  oio:id           DOID:0050117  xsd:string  
1          0           graph  DOID:649      rdfs:subClassOf  DOID:0050117  _IRI        
1          0           graph  DOID:934      rdfs:subClassOf  DOID:0050117  _IRI        
1          0           graph  DOID:104      rdfs:subClassOf  DOID:0050117  _IRI        
1          0           graph  DOID:1564     rdfs:subClassOf  DOID:0050117  _IRI        
1          0           graph  DOID:1398     rdfs:subClassOf  DOID:0050117  _IRI