assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:0080639  oio:id           DOID:0080639  xsd:string  
1          0           graph  DOID:3347     rdfs:subClassOf  DOID:0080639  _IRI        
1          0           graph  DOID:3354     rdfs:subClassOf  DOID:0080639  _IRI        
1          0           graph  DOID:3351     rdfs:subClassOf  DOID:0080639  _IRI        
1          0           graph  DOID:3371     rdfs:subClassOf  DOID:0080639  _IRI        
1          0           graph  DOID:3360     rdfs:subClassOf  DOID:0080639  _IRI