assertion  retraction  graph  subject          predicate        object                           datatype    annotation
1          0           graph  NCBITaxon:28295  rdfs:label       Porcine epidemic diarrhea virus  xsd:string  
1          0           graph  NCBITaxon:28295  rdfs:subClassOf  OBI:0100026                      _IRI        
1          0           graph  NCBITaxon:28295  rdf:type         owl:Class                        _IRI