samples

Hello!

i'm trying to build an application which will categarise different rss feeds related to a particular industry and it looks like exteca may be a solution. 
 I'm trying to run the sapmle, but get no results. Here is the code:

public class Test {
    private static Log log = LogFactory.getLog(Categorise.class);
    private static String docs = "E:\\projects\\exteca\\samples\\data\\documents\\";
    private static String stem = "E:\\projects\\exteca\\samples\\data\\language\\english.stm";
    private static String token = "E:\\projects\\exteca\\samples\\data\\language\\english.tok";
    private static String ontology = "E:\\projects\\exteca\\samples\\data\\ontologies\\doctor.xml";

    public static void main(String[] args){
        try {

            Categorise cat = new Categorise(docs, token, stem, ontology);
            //System.out.print("Running... ");
            cat.run();
            //System.out.println("done.");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

It seems that documents, stems,tokens are loaded ok, but there's no result output. metaData.getConceptResults() returns 0 records for all docs.
what reason may cause this?

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