assertion  retraction  graph  subject       predicate        object      datatype    annotation
1          0           graph  DOID:14566    oio:id           DOID:14566  xsd:string  
1          0           graph  DOID:0060072  rdfs:subClassOf  DOID:14566  _IRI        
1          0           graph  DOID:0060071  rdfs:subClassOf  DOID:14566  _IRI        
1          0           graph  DOID:162      rdfs:subClassOf  DOID:14566  _IRI