assertion  retraction  graph  subject         predicate        object                             datatype    annotation
1          0           graph  obo:HP_0000079  rdfs:label       Abnormality of the urinary system  xsd:string  
1          0           graph  obo:HP_0000079  oio:id           HP:0000079                         xsd:string  
1          0           graph  obo:HP_0000079  rdfs:subClassOf  obo:HP_0000119                     _IRI        
1          0           graph  obo:HP_0000079  rdf:type         owl:Class                          _IRI