assertion  retraction  graph  subject           predicate        object            datatype  annotation
1          0           graph  obo:SYMP_0000434  rdfs:subClassOf  obo:SYMP_0000488  _IRI      
1          0           graph  obo:SYMP_0000289  rdfs:subClassOf  obo:SYMP_0000488  _IRI      
1          0           graph  obo:SYMP_0000487  rdfs:subClassOf  obo:SYMP_0000488  _IRI      
1          0           graph  obo:SYMP_0000760  rdfs:subClassOf  obo:SYMP_0000488  _IRI      
1          0           graph  obo:SYMP_0020040  rdfs:subClassOf  obo:SYMP_0000488  _IRI