# Base: http://example.org/restriction.owl
@prefix ns1:     <http://example.org/> .
@prefix xs:      <http://www.w3.org/2001/XMLSchema> .
@prefix ns2:     <http://example.org/def/> .
@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix daml:    <http://www.daml.org/2001/03/daml+oil#> .
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xs_:     <http://www.w3.org/2001/XMLSchema#> .
@prefix :        <#> .
@prefix owl:     <http://www.w3.org/2002/07/owl#> .

<>    a       owl:Ontology .

ns1:foobar
      a       owl:DatatypeProperty , rdf:Property .

ns1:Bar
      a       owl:Class ;
      rdfs:subClassOf
              [ a       owl:Restriction ;
                owl:allValuesFrom rdfs:Literal ;
                owl:onProperty ns1:foobar
              ] ;
      rdfs:subClassOf
              [ a       owl:Restriction ;
                owl:minCardinality "1"^^xs_:int ;
                owl:onProperty ns1:foobar
              ] .

ns1:Foo
      a       owl:Class ;
      rdfs:subClassOf ns1:Bar ;
      rdfs:subClassOf
              [ a       owl:Restriction ;
                owl:allValuesFrom xs_:string ;
                owl:onProperty ns1:foobar
              ] ;
      rdfs:subClassOf
              [ a       owl:Restriction ;
                owl:cardinality "1"^^xs_:int ;
                owl:onProperty ns1:foobar
              ] .