assertion  retraction  graph  subject         predicate        object             datatype    annotation
1          0           graph  NCBITaxon:7954  rdfs:label       Danio              xsd:string  
1          0           graph  NCBITaxon:7954  rdfs:subClassOf  NCBITaxon:2743711  _IRI        
1          0           graph  NCBITaxon:7954  rdf:type         owl:Class          _IRI