@prefix eg: . @prefix owl: . @prefix rdf: . @prefix rdfs: . @prefix xsd: . eg:Normal a rdfs:Datatype ; rdfs:label "normal" ; owl:onDatatype xsd:double ; owl:withRestrictions ( [ xsd:maxExclusive 1.0 ] [ xsd:minExclusive 0.0 ] ) . eg:value a rdf:Property ; rdfs:label "value" ; rdfs:range eg:Normal . eg:s eg:value 2.0 .