<?xml version="1.0"?>
<DR xmlns="http://www.w3.org/2007/05/powder#" 
    xmlns:ex="http://example.org/vocab#">

  <maker>http://authority.example.org/foaf.rdf#me</maker>
  <issued>2007-12-14</issued>
  <validFrom>2008-01-01</validFrom>
  <validUntil>2008-12-31</validUntil>
  <linkFrom>true</linkFrom>

  <URISet>
    <includeHosts>example.org</includeHosts>
    <Descriptors ex:texture="smooth" />
    <text>Some of the resources on example.org, like this one, are smooth</text>
  </URISet>

  <URISet>
    <includeHosts>example.org</includeHosts>
    <Descriptors ex:texture="rough" />
    <text>Some of the resources on example.org, like this one, are rough</text>
  </URISet>

</DR>