<?xml version="1.0"?>
<xr:transform xmlns:xr="http://w3future.com/xr/ns/" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rss="http://purl.org/rss/1.0/" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  
  <xr:introducing xr:select="/rss/channel">
    <rss:channel xr:uriSelect="link">
      <dc:title xr:select="title"/>
      <rss:items xr:select="item" xr:collectionType="sequence"/>
    </rss:channel>
  </xr:introducing>

  <xr:introducing xr:select="//item">
    <rss:item xr:uriSelect="link">
      <dc:title xr:select="title"/>
      <dc:description xr:select="description"/>
    </rss:item>
  </xr:introducing>
    
  <xr:introducing>
    <rdfs:Resource xr:uriSelect="$documentURI">
      <dc:title>RSS file for {/rss/channel/title} ({/rss/channel/link})</dc:title>
    </rdfs:Resource>
  </xr:introducing>
  
</xr:transform>