assertion retraction graph subject predicate object datatype annotation 1 0 graph obo:HP_0003674 rdfs:label onset xsd:string 1 0 graph obo:HP_0003674 oio:id HP:0003674 xsd:string 1 0 graph obo:HP_0003674 IAO:0000115 The age group in which disease manifestations appear. xsd:string 1 0 graph obo:HP_0003674 rdfs:subClassOf owl:Thing _IRI 1 0 graph obo:HP_0003674 rdf:type owl:Class _IRI