assertion  retraction  graph  subject             predicate        object                    datatype    annotation
1          0           graph  obo:UBERON_0000122  rdfs:label       neuron projection bundle  xsd:string  
1          0           graph  obo:UBERON_0000122  oio:id           UBERON:0000122            xsd:string  
1          0           graph  obo:UBERON_0000122  rdfs:subClassOf  obo:UBERON_0005162        _IRI        
1          0           graph  obo:UBERON_0000122  rdf:type         owl:Class                 _IRI