package getset;
//import static com.hp.hpl.jena.assembler.JA.OntModel;
import com.hp.hpl.jena.ontology.Individual;
import com.hp.hpl.jena.ontology.OntClass;
import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.ontology.OntModelSpec;
import com.hp.hpl.jena.query.Query;
import com.hp.hpl.jena.query.QueryExecution;
import com.hp.hpl.jena.query.QueryExecutionFactory;
import com.hp.hpl.jena.query.QueryFactory;
import com.hp.hpl.jena.query.QuerySolution;
import com.hp.hpl.jena.query.ResultSet;
import com.hp.hpl.jena.rdf.model.Literal;
import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.rdf.model.Resource;
import com.hp.hpl.jena.util.FileManager;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;
public class set extends javax.swing.JFrame {
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
OntModel model=ModelFactory.createOntologyModel(OntModelSpec.OWL_DL_MEM);
InputStream in2 =FileManager.get().open("E://ML.owl");
String ds=jComboBox1.getSelectedItem().toString();
if (in2==null) {
throw new IllegalArgumentException( "File: " + " not
found");
} model.read(in2,"");
String str= "PREFIX rdf:<
http://www.w3.org/1999/02/22-rdf-syntax-ns#> "+
"PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#>
"+
"PREFIX ont:<
http://www.semanticweb.org/ontologies/2018/2/untitled-ontology-845#> "+
"select * " +
" WHERE { "
+ "?x ont:ML ?m."
+ "?x ont:dataset ?d ." + "?x ont:accuracy ?a . "
+ "Filter (?d ='"+ds+"') . "
+ "}" ;
Query query = QueryFactory.create(str);
QueryExecution qexec = QueryExecutionFactory.create(query, model) ;
ResultSet results = qexec.execSelect() ;
while (results.hasNext())
{
QuerySolution binding = results.nextSolution();
Resource subj = (Resource) binding.get("x");
String str2=subj.asResource().getLocalName(); //HERE THE
ERROR IS MENTIONED
jTextArea1.append("******* THE PUBLICATION: " + " " + str2 + "
");
}
// TODO add your handling code here:
}
On Sun, May 27, 2018 at 4:10 PM, ajs6f <aj...@apache.org> wrote:
> The fact that the code worked once in one execution environment proves
> nothing about its correctness.
>
> Please do as you have been repeatedly advised and show your code and at
> least an appropriate sample of your data and give full details about the
> two ways you are trying to execute your program. Otherwise there is little
> point in trying to help you.
>
> ajs6f
>
> > On May 27, 2018, at 10:02 AM, javed khan <javedbtk...@gmail.com> wrote:
> >
> > Hello Lorenz, the problem is not in the code because it works fine on
> > another computer. When I open the same file on other system (both have
> same
> > version of java ), it just highlight the error everywhere asLiteral() and
> > asResource() is mentioned. When I run the code , it gives me the error
> > mentioned above "content is not allowed in prolog" which is usually
> caused
> > by whitespace etc.
> >
> > On Sun, May 27, 2018 at 11:54 AM, Lorenz Buehmann <
> > buehm...@informatik.uni-leipzig.de> wrote:
> >
> >> sorry to say that, but **this** is almost **no information** to help you
> >> ...
> >>
> >> 1) previously you said, that you're getting compiler errors but didn't
> >> show any code ...
> >>
> >> 2) no you're showing RDF format errors. again,, you're not showing us
> >> the relevant information which in fact is the data
> >>
> >>
> >> On 27.05.2018 03:15, javed khan wrote:
> >>> Thanks for your reply
> >>>
> >>> I use almost the same versions of Java, Netbeans and Protege as my
> >> previous
> >>> system.
> >>>
> >>> The error is:
> >>>
> >>> ERROR [main] (RDFDefaultErrorHandler.java:44) -
> >>> file:///C:/Users/Utente/Downloads/LAPTOP/getset/(line 1 column 1):
> >> Content
> >>> is not allowed in prolog.
> >>> Exception in thread "main" org.xml.sax.SAXParseException; systemId:
> >>> file:///C:/Users/Utente/Downloads/LAPTOP/getset/; lineNumber: 1;
> >>> columnNumber: 1; Content is not allowed in prolog.
> >>>
> >>> On Sun, May 27, 2018 at 2:05 AM, Bruno P. Kinoshita <
> >>> brunodepau...@yahoo.com.br.invalid> wrote:
> >>>
> >>>> Very likely something in your environment, especially given it's
> working
> >>>> on the other laptop.
> >>>> I think it won't be easy for others to spot what's wrong, without
> >> looking
> >>>> at the code, and without knowing more about your environment.
> >>>> Might be easier for yourself to compare the two environments and try
> to
> >>>> isolate what's different, especially Java version, and IDE
> >> configuration.
> >>>> CheersBruno
> >>>>
> >>>> From: javed khan <javedbtk...@gmail.com>
> >>>> To: users@jena.apache.org
> >>>> Sent: Sunday, 27 May 2018 11:12 AM
> >>>> Subject: Error in Jena code, when switch to another computer
> >>>>
> >>>> Hello
> >>>>
> >>>> I have created an application using Jena and Java swings. It was
> working
> >>>> fine. I switched to another laptop and opened the same file on new
> >> laptop
> >>>> (I re-installed Netbeans), but it gives me error everywhere
> asLiteral()
> >> and
> >>>> asResource() are used. The asLiteral() and asResource() are used in
> >>>> multiple places but everywhere it is highlighted as error.
> >>>>
> >>>> Could you please highlight the issue ? What could be the problem?
> >>>>
> >>>> Regards
> >>>>
> >>>>
> >>>>
> >>>>
> >>
> >>
>
>
