assertion  retraction  graph  subject         predicate        object             datatype    annotation
1          0           graph  NCBITaxon:7957  rdfs:label       Carassius auratus  xsd:string  
1          0           graph  NCBITaxon:7957  rdfs:subClassOf  OBI:0100026        _IRI        
1          0           graph  NCBITaxon:7957  rdf:type         owl:Class          _IRI