assertion retraction graph subject predicate object datatype annotation 1 0 graph obo:SYMP_0019139 rdfs:label hemic system symptom xsd:string 1 0 graph obo:SYMP_0019139 oio:id SYMP:0019139 xsd:string 1 0 graph obo:SYMP_0019139 oio:hasOBONamespace symptoms xsd:string 1 0 graph obo:SYMP_0019139 rdfs:subClassOf obo:SYMP_0017795 _IRI 1 0 graph obo:SYMP_0019139 rdf:type owl:Class _IRI