# Base: http://example.org/element4.owl
@prefix ns1: .
@prefix xs: .
@prefix ns2: .
@prefix rdfs: .
@prefix daml: .
@prefix rdf: .
@prefix xs_: .
@prefix : <#> .
@prefix owl: .
a owl:DatatypeProperty , rdf:Property ;
rdfs:range xs_:string .
<> a owl:Ontology .