assertion  retraction  graph  subject           predicate        object               datatype    annotation
1          0           graph  NCBITaxon:217992  rdfs:label       Escherichia coli O6  xsd:string  
1          0           graph  NCBITaxon:217992  rdfs:subClassOf  OBI:0100026          _IRI        
1          0           graph  NCBITaxon:217992  rdf:type         owl:Class            _IRI