assertion  retraction  graph  subject             predicate        object                        datatype    annotation
1          0           graph  obo:UBERON_0000466  rdfs:label       immaterial anatomical entity  xsd:string  
1          0           graph  obo:UBERON_0000466  oio:id           UBERON:0000466                xsd:string  
1          0           graph  obo:UBERON_0000466  rdfs:subClassOf  obo:UBERON_0001062            _IRI        
1          0           graph  obo:UBERON_0000466  rdf:type         owl:Class                     _IRI