assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:544406 rdfs:label Helicobacter pylori B128 xsd:string 1 0 graph NCBITaxon:544406 rdfs:subClassOf OBI:0100026 _IRI 1 0 graph NCBITaxon:544406 rdf:type owl:Class _IRI