assertion  retraction  graph  subject    predicate        object    datatype    annotation
1          0           graph  DOID:2139  rdfs:subClassOf  DOID:730  _IRI        
1          0           graph  DOID:8109  rdfs:subClassOf  DOID:730  _IRI        
1          0           graph  DOID:730   oio:id           DOID:730  xsd:string  
1          0           graph  DOID:5643  rdfs:subClassOf  DOID:730  _IRI        
1          0           graph  DOID:2142  rdfs:subClassOf  DOID:730  _IRI        
1          0           graph  DOID:2140  rdfs:subClassOf  DOID:730  _IRI