assertion  retraction  graph  subject           predicate        object                              datatype    annotation
1          0           graph  NCBITaxon:135720  rdfs:label       Neisseria meningitidis serogroup C  xsd:string  
1          0           graph  NCBITaxon:135720  rdfs:subClassOf  OBI:0100026                         _IRI        
1          0           graph  NCBITaxon:135720  rdf:type         owl:Class                           _IRI