prefixes = {'owl': 'PREFIX owl: <
http://www.w3.org/2002/07/owl#
>\n', 'rdf': 'PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n', 'rdfs': 'PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n', 'xsd': 'PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>\n'}