assertion  retraction  graph  subject     predicate        object     datatype    annotation
1          0           graph  DOID:4739   rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:2998   oio:id           DOID:2998  xsd:string  
1          0           graph  DOID:5834   rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:512    rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:5557   rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:5842   rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:12276  rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:12253  rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:12286  rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:5680   rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:4084   rdfs:subClassOf  DOID:2998  _IRI        
1          0           graph  DOID:4062   rdfs:subClassOf  DOID:2998  _IRI