assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:0050905  rdfs:subClassOf  DOID:3350  _IRI        
1          0           graph  DOID:2647     rdfs:subClassOf  DOID:3350  _IRI        
1          0           graph  DOID:6755     rdfs:subClassOf  DOID:3350  _IRI        
1          0           graph  DOID:2685     rdfs:subClassOf  DOID:3350  _IRI        
1          0           graph  DOID:8305     rdfs:subClassOf  DOID:3350  _IRI        
1          0           graph  DOID:8303     rdfs:subClassOf  DOID:3350  _IRI        
1          0           graph  DOID:3350     oio:id           DOID:3350  xsd:string