assertion retraction graph subject predicate object datatype annotation 1 0 graph ONTIE:0000437 ONTIE:0003259 taxon xsd:string 1 0 graph ONTIE:0000437 rdfs:label Porcine respiratory and reproductive syndrome virus BJ-4 xsd:string 1 0 graph ONTIE:0000437 ncbi:has_rank NCBITaxon:subspecies _IRI 1 0 graph ONTIE:0000437 IAO:0000234 IEDB xsd:string 1 0 graph ONTIE:0000437 rdfs:subClassOf NCBITaxon:28344 _IRI 1 0 graph ONTIE:0000437 rdf:type owl:Class _IRI