1 <?xml version="1.0" encoding="ISO-8859-1"?>
4 <!ENTITY rdfns 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
5 <!ENTITY hthns 'http://www.cs.unibo.it/helm/schemas/schema-helmth#'>
6 <!ENTITY hns 'http://www.cs.unibo.it/helm/schemas/schema-helm#'>
9 <rdf:RDF xml:lang="en" xmlns:rdf="&rdfns;" xmlns:h="&hns;" xmlns:hth="&hthns;">