Describing / Declaring Properties : take 2

<?xml version="1.0"?>
<!DOCTYPE rdf:RDF [<!ENTITY xsd "http://www.w3.org/2001/XMLSchema#">]>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xml:base="http://example.org/schemas/vehicles">

<rdf:Property rdf:ID = "color">
<rdfs:label xml:lang = "en-us">color</rdfs:label>
<rdfs:label xml:lang = "en-uk">colour</rdfs:label>
</rdf:Property>
</rdf:RDF>

Good practice: think about both machine *and* human!