assertion  retraction  graph  subject         predicate        object            datatype    annotation
1          0           graph  NCBITaxon:1300  rdfs:label       Streptococcaceae  xsd:string  
1          0           graph  NCBITaxon:1300  rdfs:subClassOf  NCBITaxon:186826  _IRI        
1          0           graph  NCBITaxon:1300  rdf:type         owl:Class         _IRI