<?xml version="1.0"?>
<rdf:RDF
 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:s="http://description.org/schema/">
  <rdf:Bag ID="BAG_ID">
     <rdf:li resource="xyz"/>
     <rdf:li resource="abc"/>
  </rdf:Bag>
  <rdf:Description ID="MyID">
   <s:documents>
    <rdf:Description aboutEach="#BAG_ID">
      <s:creator>Karl</s:creator>
    </rdf:Description>
   </s:documents> 
  </rdf:Description>
</rdf:RDF>