assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:9120     rdfs:subClassOf  DOID:0014667  _IRI        
1          0           graph  DOID:0060158  rdfs:subClassOf  DOID:0014667  _IRI        
1          0           graph  DOID:655      rdfs:subClassOf  DOID:0014667  _IRI        
1          0           graph  DOID:0014667  oio:id           DOID:0014667  xsd:string