assertion  retraction  graph  subject       predicate        object      datatype    annotation
1          0           graph  DOID:0080740  rdfs:subClassOf  DOID:10314  _IRI        
1          0           graph  DOID:10314    oio:id           DOID:10314  xsd:string  
1          0           graph  DOID:0060000  rdfs:subClassOf  DOID:10314  _IRI