assertion  retraction  graph  subject         predicate        object       datatype    annotation
1          0           graph  NCBITaxon:7955  rdfs:label       Danio rerio  xsd:string  
1          0           graph  NCBITaxon:7955  rdfs:subClassOf  OBI:0100026  _IRI        
1          0           graph  NCBITaxon:7955  rdf:type         owl:Class    _IRI