assertion  retraction  graph  subject      predicate        object            datatype    annotation
1          0           graph  NCBITaxon:2  rdfs:label       Bacteria          xsd:string  
1          0           graph  NCBITaxon:2  rdfs:subClassOf  NCBITaxon:131567  _IRI        
1          0           graph  NCBITaxon:2  rdf:type         owl:Class         _IRI