assertion  retraction  graph  subject         predicate        object       datatype    annotation
1          0           graph  NCBITaxon:9823  rdfs:label       Sus scrofa   xsd:string  
1          0           graph  NCBITaxon:9823  rdfs:subClassOf  OBI:0100026  _IRI        
1          0           graph  NCBITaxon:9823  rdf:type         owl:Class    _IRI