assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  NCBITaxon:91827  rdfs:label       Gunneridae       xsd:string  
1          0           graph  NCBITaxon:91827  rdfs:subClassOf  NCBITaxon:71240  _IRI        
1          0           graph  NCBITaxon:91827  rdf:type         owl:Class        _IRI