assertion  retraction  graph  subject         predicate        object                     datatype    annotation
1          0           graph  obo:HP_0000077  rdfs:label       Abnormality of the kidney  xsd:string  
1          0           graph  obo:HP_0000077  oio:id           HP:0000077                 xsd:string  
1          0           graph  obo:HP_0000077  rdfs:subClassOf  obo:HP_0010935             _IRI        
1          0           graph  obo:HP_0000077  rdf:type         owl:Class                  _IRI