Jena推理机

								  xmlns:rdf ="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
				  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
				  xmlns:owl ="http://www.w3.org/2002/07/owl#"
				  xmlns     ="http://jena.hpl.hp.com/2003/03/testont/b#"
				  xml:base  ="http://jena.hpl.hp.com/2003/03/testont/b"
				>