assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:0080640  oio:id           DOID:0080640  xsd:string  
1          0           graph  DOID:0050893  rdfs:subClassOf  DOID:0080640  _IRI        
1          0           graph  DOID:10201    rdfs:subClassOf  DOID:0080640  _IRI        
1          0           graph  DOID:3120     rdfs:subClassOf  DOID:0080640  _IRI        
1          0           graph  DOID:5140     rdfs:subClassOf  DOID:0080640  _IRI