opennlp.tools.util.PlainTextByLineStream Java Examples

The following examples show how to use opennlp.tools.util.PlainTextByLineStream. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: LanguageDetectorAndTrainingDataUnitTest.java    From tutorials with MIT License 6 votes vote down vote up 
@Test
public void givenLanguageDictionary_whenLanguageDetect_thenLanguageIsDetected() throws FileNotFoundException, IOException {
    InputStreamFactory dataIn = new MarkableFileInputStreamFactory(new File("src/main/resources/models/DoccatSample.txt"));
    ObjectStream lineStream = new PlainTextByLineStream(dataIn, "UTF-8");
    LanguageDetectorSampleStream sampleStream = new LanguageDetectorSampleStream(lineStream);
    TrainingParameters params = new TrainingParameters();
    params.put(TrainingParameters.ITERATIONS_PARAM, 100);
    params.put(TrainingParameters.CUTOFF_PARAM, 5);
    params.put("DataIndexer", "TwoPass");
    params.put(TrainingParameters.ALGORITHM_PARAM, "NAIVEBAYES");

    LanguageDetectorModel model = LanguageDetectorME.train(sampleStream, params, new LanguageDetectorFactory());

    LanguageDetector ld = new LanguageDetectorME(model);
    Language[] languages = ld.predictLanguages("estava em uma marcenaria na Rua Bruno");
    
    assertThat(Arrays.asList(languages)).extracting("lang", "confidence").contains(tuple("pob", 0.9999999950605625),
             tuple("ita", 4.939427661577956E-9), tuple("spa", 9.665954064665144E-15),
            tuple("fra", 8.250349924885834E-25));
}
Example #2
Source File: Chapter4.java    From Natural-Language-Processing-with-Java-Second-Edition with MIT License 5 votes vote down vote up 
private static void trainingOpenNLPNERModel() {
    try (OutputStream modelOutputStream = new BufferedOutputStream(
            new FileOutputStream(new File("modelFile")));) {
        ObjectStream<String> lineStream = new PlainTextByLineStream(
                new FileInputStream("en-ner-person.train"), "UTF-8");
        ObjectStream<NameSample> sampleStream = new NameSampleDataStream(lineStream);

        TokenNameFinderModel model = NameFinderME.train("en", "person", sampleStream,
                null, 100, 5);

        model.serialize(modelOutputStream);
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}