assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:13187 rdfs:label Parietaria officinalis xsd:string 1 0 graph NCBITaxon:13187 rdfs:subClassOf OBI:0100026 _IRI 1 0 graph NCBITaxon:13187 rdf:type owl:Class _IRI