<%@ page import="com.hp.hpl.jena.rdf.model.*" %>
   <%@ page import="com.hp.hpl.jena.query.*" %>
    <%@ page import="com.hp.hpl.jena.reasoner.*" %>
    <%@ page import=" com.hp.hpl.jena.db.*" %>
      <%@ page import="com.hp.hpl.jena.util.*" %>

  <%
  
  Class.forName("com.mysql.jdbc.Driver");
  String DB_URL = "jdbc:mysql://localhost/owl";
  String DB_USER =   "root";
  String DB_PASSWD = "root";
  String DB =        "MySQL";
  
  IDBConnection conn = new DBConnection ( DB_URL, DB_USER, DB_PASSWD, DB );
  ModelMaker maker = ModelFactory.createModelRDBMaker(conn) ;
  Model model = maker.createDefaultModel();
  Model instances = ModelFactory.createDefaultModel();
  instances.add(model);
  Reasoner reasoner = ReasonerRegistry.getOWLReasoner();
  InfModel infmodel = ModelFactory.createInfModel(reasoner, instances);
  
  String rdfs = "http://www.w3.org/2000/01/rdf-schema#";
  String base = "Uv::http://www.owl-ontologies.com/Ontology1237752693.owl#";
  //String owl = "http://www.w3.org/2002/07/owl#";
  //String rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
  
  String q = "PREFIX rdfs: <" + rdfs + ">\n PREFIX base: <" + base + ">\n"; 
  
  q = q+" SELECT ?x   where{?x rdfs:subClassOf base:Hotel} "; 
  
  Query query = QueryFactory.create(q);
  
  
  QueryExecution qe = QueryExecutionFactory.create(query,infmodel);

  com.hp.hpl.jena.query.ResultSet results = qe.execSelect();
     
     while(results.hasNext())
     {
      QuerySolution qs = results.nextSolution();
      out.println(PrintUtil.print(qs.get("x")));
     }
     qe.close();
     %>

我的QQ 397764284  希望哪位大大指点一下，万分感激！！！