assertion  retraction  graph  subject           predicate        object                              datatype    annotation
1          0           graph  NCBITaxon:525171  rdfs:label       Neisseria meningitidis serogroup Z  xsd:string  
1          0           graph  NCBITaxon:525171  rdfs:subClassOf  OBI:0100026                         _IRI        
1          0           graph  NCBITaxon:525171  rdf:type         owl:Class                           _IRI