assertion  retraction  graph  subject          predicate        object             datatype    annotation
1          0           graph  NCBITaxon:83555  rdfs:label       Chlamydia abortus  xsd:string  
1          0           graph  NCBITaxon:83555  rdfs:subClassOf  OBI:0100026        _IRI        
1          0           graph  NCBITaxon:83555  rdf:type         owl:Class          _IRI