assertion  retraction  graph  subject           predicate            object                  datatype    annotation
1          0           graph  obo:SYMP_0000244  rdfs:label           alteration of appetite  xsd:string  
1          0           graph  obo:SYMP_0000244  oio:id               SYMP:0000244            xsd:string  
1          0           graph  obo:SYMP_0000244  oio:hasOBONamespace  symptoms                xsd:string  
1          0           graph  obo:SYMP_0000244  rdfs:subClassOf      obo:SYMP_0000473        _IRI        
1          0           graph  obo:SYMP_0000244  rdf:type             owl:Class               _IRI