assertion  retraction  graph  subject             predicate  object     datatype  annotation
1          0           graph  obo:UBERON_0013765  rdf:type   owl:Class  _IRI      
1          0           graph  obo:UBERON_0015228  rdf:type   owl:Class  _IRI      
1          0           graph  obo:UBERON_0034944  rdf:type   owl:Class  _IRI      
1          0           graph  obo:UBERON_3000961  rdf:type   owl:Class  _IRI      
1          0           graph  obo:UPHENO_0001001  rdf:type   owl:Class  _IRI      
1          0           graph  obo:doid#chebi      rdf:type   owl:Class  _IRI