<?xml version='1.0'?>

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
         xmlns:my="http://www.mytypes.org/schema/">
  <my:Bicycle wheels="2"/>

  <rdf:Description type="http://www.mytypes.org/schema/Bicycle">
    <my:wheels>2</my:wheels>
  </rdf:Description>

</rdf:RDF>