# Base: http://example.org/attributeLang.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#> .

rdf:value
      a       owl:DatatypeProperty , rdf:Property .

ns1:lang
      a       owl:ObjectProperty ;
      rdfs:range
              [ a       owl:Class ;
                rdfs:subClassOf
                        [ a       owl:Restriction ;
                          owl:cardinality "1"^^xs_:int ;
                          owl:onProperty rdf:value
                        ] ;
                rdfs:subClassOf
                        [ a       owl:Restriction ;
                          owl:maxCardinality "1"^^xs_:int ;
                          owl:onProperty <http://www.w3.org/XML/1998/namespace#space>
                        ] ;
                rdfs:subClassOf
                        [ a       owl:Restriction ;
                          owl:allValuesFrom xs_:string ;
                          owl:onProperty rdf:value
                        ] ;
                rdfs:subClassOf
                        [ a       owl:Restriction ;
                          owl:maxCardinality "1"^^xs_:int ;
                          owl:onProperty <http://www.w3.org/XML/1998/namespace#lang>
                        ] ;
                rdfs:subClassOf
                        [ a       owl:Restriction ;
                          owl:maxCardinality "1"^^xs_:int ;
                          owl:onProperty <http://www.w3.org/XML/1998/namespace#base>
                        ]
              ] .

<>    a       owl:Ontology ;
      owl:imports <http://example.org/xml.owl> .