<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:in="http://www.example.org/instance#"
    xmlns:ex="http://www.example.org/schema#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" > 
    
  <rdf:Description rdf:about="http://www.example.org/instance#a">
    <ex:p rdf:datatype='http://www.w3.org/2001/XMLSchema#integer'>1</ex:p>
    <ex:p rdf:datatype='http://www.w3.org/2001/XMLSchema#integer'>2</ex:p>
  </rdf:Description>
  <rdf:Description rdf:about="http://www.example.org/instance#b">
    <ex:p rdf:datatype='http://www.w3.org/2001/XMLSchema#integer'>3</ex:p>
  </rdf:Description>
</rdf:RDF>




