assertion  retraction  graph  subject           predicate            object                                  datatype    annotation
1          0           graph  obo:SYMP_0000410  rdfs:label           neurological and physiological symptom  xsd:string  
1          0           graph  obo:SYMP_0000410  oio:id               SYMP:0000410                            xsd:string  
1          0           graph  obo:SYMP_0000410  oio:hasOBONamespace  symptoms                                xsd:string  
1          0           graph  obo:SYMP_0000410  rdfs:subClassOf      obo:SYMP_0000462                        _IRI        
1          0           graph  obo:SYMP_0000410  rdf:type             owl:Class                               _IRI