Sample RDF containing a bag

sample.rdf

<?xml version='1.0' encoding='utf-8'?>
<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#' 
         xmlns:dc='http://purl.org/dc/terms/'>
    <rdf:Description rdf:about='urn:isbn:978-3-16-148410-0'>
        <rdf:type rdf:resource='urn:publishing:schema:book'/>
        <dc:creator>
            <rdf:Bag>
                <rdf:li rdf:resource='http://people.apache.org/mattmann'/>
                <rdf:li rdf:resource='http://twitter.org/nutjob4life'/>
                <rdf:li rdf:resource='urn:foaf:registered-people:joyce'/>
            </rdf:Bag>
        </dc:creator>
    </rdf:Description>
</rdf:RDF>