assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:9531 IAO:0000115 A syphilis that is characterized as having serologic proof of infection without signs or symptoms of disease. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Syphilis#Latent_syphilis""}]}"