assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:0060564  rdfs:subClassOf  DOID:0080001  _IRI        
1          0           graph  DOID:0080001  oio:id           DOID:0080001  xsd:string  
1          0           graph  DOID:930      rdfs:subClassOf  DOID:0080001  _IRI        
1          0           graph  DOID:0060094  rdfs:subClassOf  DOID:0080001  _IRI        
1          0           graph  DOID:3342     rdfs:subClassOf  DOID:0080001  _IRI        
1          0           graph  DOID:184      rdfs:subClassOf  DOID:0080001  _IRI        
1          0           graph  DOID:9146     rdfs:subClassOf  DOID:0080001  _IRI