assertion  retraction  graph  subject           predicate        object                datatype    annotation
1          0           graph  NCBITaxon:133704  rdfs:label       Porcine circovirus 1  xsd:string  
1          0           graph  NCBITaxon:133704  rdfs:subClassOf  OBI:0100026           _IRI        
1          0           graph  NCBITaxon:133704  rdf:type         owl:Class             _IRI