String index= context.getRealPath("/bookshop/ontology/index/");
//����Ȩֵ�ļ���ַ
String weights = context.getRealPath("/bookshop/ontology/Weights.properties");
//������������Դ����
OntologyDataSource ods = new OntologyDataSource();
//���ر����
ods.loadOntology(ontology);
//����ǰ����
ods.loadPrefixConfiguration(prefix);
//����Ȩֵ
ods.setWeightsPath(weights);
//��������
ods.loadIndex(index);
//�洢��������Դ����servlet context
context.setAttribute(ONTOLOGY_DATA_SOURCE, ods);
System.out.println("Ontology loaded!");
}