# filename: ex328.ttl

@prefix skos: <http://www.w3.org/2004/02/skos/core#> . 
@prefix xl:   <http://www.w3.org/2008/05/skos-xl#> .
@prefix d:    <http://learningsparql.com/ns/data#> .
@prefix dc:   <http://purl.org/dc/elements/1.1/> . 

d:c1 a skos:Concept ;
     xl:prefLabel d:label1 . 

d:c2 a skos:Concept ;
     xl:prefLabel d:label2 ;
     skos:broader d:c1 . 

d:c3 a skos:Concept ;
     xl:prefLabel d:label3 ;
     skos:broader d:c1 . 

d:label1 a xl:Label ;
         xl:literalForm "Mammal" ;
         dc:source <http://en.wikipedia.org/wiki/Mammal> . 


d:label2 a xl:Label ;
         xl:literalForm "Dog" ;
         dc:source <http://en.wikipedia.org/wiki/Dog> . 

d:label3 a xl:Label ;
         xl:literalForm "Cat" ;
         dc:source <http://en.wikipedia.org/wiki/Cat> .