assertion  retraction  graph  subject           predicate            object                           datatype    annotation
1          0           graph  obo:SYMP_0017795  rdfs:label           hemic and immune system symptom  xsd:string  
1          0           graph  obo:SYMP_0017795  oio:id               SYMP:0017795                     xsd:string  
1          0           graph  obo:SYMP_0017795  oio:hasOBONamespace  symptoms                         xsd:string  
1          0           graph  obo:SYMP_0017795  rdfs:subClassOf      obo:SYMP_0000462                 _IRI        
1          0           graph  obo:SYMP_0017795  rdf:type             owl:Class                        _IRI