assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:1649     rdfs:subClassOf  DOID:0050671  _IRI        
1          0           graph  DOID:1647     rdfs:subClassOf  DOID:0050671  _IRI        
1          0           graph  DOID:11889    rdfs:subClassOf  DOID:0050671  _IRI        
1          0           graph  DOID:0050671  oio:id           DOID:0050671  xsd:string  
1          0           graph  DOID:13799    rdfs:subClassOf  DOID:0050671  _IRI        
1          0           graph  DOID:1650     rdfs:subClassOf  DOID:0050671  _IRI        
1          0           graph  DOID:13972    rdfs:subClassOf  DOID:0050671  _IRI        
1          0           graph  DOID:9773     rdfs:subClassOf  DOID:0050671  _IRI