assertion  retraction  graph  subject       predicate        object      datatype    annotation
1          0           graph  DOID:0080797  rdfs:subClassOf  DOID:10811  _IRI        
1          0           graph  DOID:10813    rdfs:subClassOf  DOID:10811  _IRI        
1          0           graph  DOID:10812    rdfs:subClassOf  DOID:10811  _IRI        
1          0           graph  DOID:10811    oio:id           DOID:10811  xsd:string  
1          0           graph  DOID:5515     rdfs:subClassOf  DOID:10811  _IRI        
1          0           graph  DOID:4931     rdfs:subClassOf  DOID:10811  _IRI