assertion  retraction  graph  subject         predicate        object         datatype    annotation
1          0           graph  NCBITaxon:9031  rdfs:label       Gallus gallus  xsd:string  
1          0           graph  NCBITaxon:9031  rdfs:subClassOf  OBI:0100026    _IRI        
1          0           graph  NCBITaxon:9031  rdf:type         owl:Class      _IRI