assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:0060518  rdfs:subClassOf  DOID:0060513  _IRI        
1          0           graph  DOID:0060517  rdfs:subClassOf  DOID:0060513  _IRI        
1          0           graph  DOID:0060516  rdfs:subClassOf  DOID:0060513  _IRI        
1          0           graph  DOID:0060515  rdfs:subClassOf  DOID:0060513  _IRI        
1          0           graph  DOID:0060514  rdfs:subClassOf  DOID:0060513  _IRI        
1          0           graph  DOID:0060513  oio:id           DOID:0060513  xsd:string