assertion  retraction  graph  subject         predicate        object                  datatype    annotation
1          0           graph  NCBITaxon:1639  rdfs:label       Listeria monocytogenes  xsd:string  
1          0           graph  NCBITaxon:1639  rdfs:subClassOf  OBI:0100026             _IRI        
1          0           graph  NCBITaxon:1639  rdf:type         owl:Class               _IRI