assertion  retraction  graph  subject             predicate        object              datatype    annotation
1          0           graph  obo:UBERON_0001560  rdfs:label       neck of organ       xsd:string  
1          0           graph  obo:UBERON_0001560  oio:id           UBERON:0001560      xsd:string  
1          0           graph  obo:UBERON_0001560  rdfs:subClassOf  obo:UBERON_0034944  _IRI        
1          0           graph  obo:UBERON_0001560  rdf:type         owl:Class           _IRI