assertion  retraction  graph  subject             predicate        object              datatype    annotation
1          0           graph  obo:UBERON_0000997  rdfs:label       mammalian vulva     xsd:string  
1          0           graph  obo:UBERON_0000997  oio:id           UBERON:0000997      xsd:string  
1          0           graph  obo:UBERON_0000997  rdfs:subClassOf  obo:UBERON_0005156  _IRI        
1          0           graph  obo:UBERON_0000997  rdfs:subClassOf  obo:UBERON_0000062  _IRI        
1          0           graph  obo:UBERON_0000997  rdf:type         owl:Class           _IRI