assertion  retraction  graph  subject         predicate        object               datatype    annotation
1          0           graph  NCBITaxon:8022  rdfs:label       Oncorhynchus mykiss  xsd:string  
1          0           graph  NCBITaxon:8022  rdfs:subClassOf  NCBITaxon:8016       _IRI        
1          0           graph  NCBITaxon:8022  rdf:type         owl:Class            _IRI