assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:6052     rdfs:subClassOf  DOID:4439  _IRI        
1          0           graph  DOID:0080905  rdfs:subClassOf  DOID:4439  _IRI        
1          0           graph  DOID:4439     oio:id           DOID:4439  xsd:string  
1          0           graph  DOID:4438     rdfs:subClassOf  DOID:4439  _IRI        
1          0           graph  DOID:5349     rdfs:subClassOf  DOID:4439  _IRI        
1          0           graph  DOID:3640     rdfs:subClassOf  DOID:4439  _IRI        
1          0           graph  DOID:5343     rdfs:subClassOf  DOID:4439  _IRI        
1          0           graph  DOID:7232     rdfs:subClassOf  DOID:4439  _IRI