assertion  retraction  graph  subject           predicate        object        datatype    annotation
1          0           graph  NCBITaxon:142943  rdfs:label       H8N4 subtype  xsd:string  
1          0           graph  NCBITaxon:142943  rdfs:subClassOf  OBI:0100026   _IRI        
1          0           graph  NCBITaxon:142943  rdf:type         owl:Class     _IRI