display.java

Jsp写的一个语义检索的Demo

package cyh;
import com.hp.hpl.jena.rdf.*;
import com.hp.hpl.jena.rdf.model.*;
import com.hp.hpl.jena.ontology.*;
import com.hp.hpl.jena.reasoner.*;
import com.hp.hpl.jena.vocabulary.*;
import com.hp.hpl.jena.reasoner.rulesys.*;
import com.hp.hpl.jena.util.*;
public class display {

      public getInfModel myGet = new getInfModel ();
      public InfModel model=myGet.getInfModel() ;
      public String getValue(String res,String item){
        String result=null;
        Resource resource=model.createResource(myGet.addPrefix(res));
        Property searchProperty;
        searchProperty=model.getProperty(myGet.itemToProperty(item));
        StmtIterator SearchResult=model.listStatements(resource,searchProperty,(RDFNode)null);

        while(SearchResult.hasNext() ){
        result=SearchResult.nextStatement().getObject().toString() ;
        }
        return myGet.removeType(result);//SearchResult.toString();
      }
   public  NodeIterator getIterator(String res,String item){
    NodeIterator result=null;
    Resource resource=model.createResource(myGet.addPrefix(res));
    Property property=model.getProperty(myGet.itemToProperty(item));
    result=model.listObjectsOfProperty(resource,property);
    return result;
    }

}