assertion retraction graph subject predicate object datatype annotation 1 0 graph rdfs:comment IAO:0000115 Comment. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.w3.org/2000/01/rdf-schema#comment""}]}" 1 0 graph rdfs:comment rdfs:label comment xsd:string 1 0 graph rdfs:comment rdf:type owl:AnnotationProperty _IRI