assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:0060108  oio:id           DOID:0060108  xsd:string  
1          0           graph  DOID:4992     rdfs:subClassOf  DOID:0060108  _IRI        
1          0           graph  DOID:3187     rdfs:subClassOf  DOID:0060108  _IRI        
1          0           graph  DOID:7497     rdfs:subClassOf  DOID:0060108  _IRI        
1          0           graph  DOID:3073     rdfs:subClassOf  DOID:0060108  _IRI