assertion  retraction  graph  subject           predicate            object            datatype    annotation
1          0           graph  obo:SYMP_0000385  rdfs:label           throat symptom    xsd:string  
1          0           graph  obo:SYMP_0000385  oio:id               SYMP:0000385      xsd:string  
1          0           graph  obo:SYMP_0000385  oio:hasOBONamespace  symptoms          xsd:string  
1          0           graph  obo:SYMP_0000385  rdfs:subClassOf      obo:SYMP_0000597  _IRI        
1          0           graph  obo:SYMP_0000385  rdf:type             owl:Class         _IRI