Present method

<label:Ruleset rdf:ID="Ruleset">
  <label:hostRestriction>example.org</label:hostRestriction>
  <label:hostRestriction>example.com</label:hostRestriction>
  <label:hasDefaultLabel rdf:resource="#label_1"/>
   <label:rules rdf:parseType="Collection">
    <rdf:Description rdf:ID="rule1">
      <label:hasURI>chat</label:hasURI>
      <label:hasLabel rdf:resource="#label_2" />
    </rdf:Description>
    <label:unionOf rdf:ID="rule2">
      <label:hasURI>ads</label:hasURI>
      <label:hasURI>banners</label:hasURI>
      <label:hasLabel rdf:resource="#label_3" />
    </label:unionOf>
  </label:rules>
</label:Ruleset>