assertion  retraction  graph  subject       predicate        object    datatype    annotation
1          0           graph  DOID:0080690  rdfs:subClassOf  DOID:225  _IRI        
1          0           graph  DOID:225      oio:id           DOID:225  xsd:string  
1          0           graph  DOID:1485     rdfs:subClassOf  DOID:225  _IRI        
1          0           graph  DOID:11198    rdfs:subClassOf  DOID:225  _IRI        
1          0           graph  DOID:8544     rdfs:subClassOf  DOID:225  _IRI        
1          0           graph  DOID:11042    rdfs:subClassOf  DOID:225  _IRI        
1          0           graph  DOID:9169     rdfs:subClassOf  DOID:225  _IRI