assertion  retraction  graph  subject       predicate        object      datatype    annotation
1          0           graph  DOID:2526     rdfs:subClassOf  DOID:10286  _IRI        
1          0           graph  DOID:4868     rdfs:subClassOf  DOID:10286  _IRI        
1          0           graph  DOID:10287    rdfs:subClassOf  DOID:10286  _IRI        
1          0           graph  DOID:10286    oio:id           DOID:10286  xsd:string  
1          0           graph  DOID:4011     rdfs:subClassOf  DOID:10286  _IRI        
1          0           graph  DOID:0080909  rdfs:subClassOf  DOID:10286  _IRI