use of org.dkpro.lab.uima.task.impl.UimaTaskBase in project dkpro-lab by dkpro.
the class PosExampleCrf method run.
@Test
public void run() throws Exception {
// Route logging through log4j
System.setProperty("org.apache.uima.logger.class", "org.apache.uima.util.impl.Log4jLogger_impl");
clean();
Task preprocessingTask = new UimaTaskBase() {
@Discriminator
String corpusPath;
{
setType("Preprocessing");
}
@Override
public CollectionReaderDescription getCollectionReaderDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
return createReader(NegraExportReader.class, NegraExportReader.PARAM_SOURCE_LOCATION, corpusPath, NegraExportReader.PARAM_LANGUAGE, "de");
}
@Override
public AnalysisEngineDescription getAnalysisEngineDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
File xmiDir = aContext.getFolder("XMI", AccessMode.READWRITE);
return createEngine(createEngine(SnowballStemmer.class), createEngine(XmiWriter.class, XmiWriter.PARAM_TARGET_LOCATION, xmiDir.getAbsolutePath(), XmiWriter.PARAM_COMPRESSION, CompressionMethod.GZIP));
}
};
Task featureExtractionTask = new UimaTaskBase() {
{
setType("FeatureExtraction");
}
@Override
public CollectionReaderDescription getCollectionReaderDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
File xmiDir = aContext.getFolder("XMI", AccessMode.READONLY);
return createReader(XmiReader.class, XmiReader.PARAM_SOURCE_LOCATION, xmiDir.getAbsolutePath(), XmiReader.PARAM_PATTERNS, new String[] { "[+]**/*.xmi.gz" });
}
@Override
public AnalysisEngineDescription getAnalysisEngineDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
File modelDir = aContext.getFolder("MODEL", AccessMode.READWRITE);
return createEngine(createEngineDescription(ExamplePosAnnotator.class, ExamplePosAnnotator.PARAM_DATA_WRITER_FACTORY_CLASS_NAME, DefaultMalletCRFDataWriterFactory.class.getName(), DefaultMalletCRFDataWriterFactory.PARAM_OUTPUT_DIRECTORY, modelDir.getAbsolutePath()));
}
};
Task trainingTask = new ExecutableTaskBase() {
{
setType("TrainingTask");
}
@Override
public void execute(TaskContext aContext) throws Exception {
File dir = aContext.getFolder("MODEL", AccessMode.READWRITE);
JarClassifierBuilder<?> classifierBuilder = JarClassifierBuilder.fromTrainingDirectory(dir);
classifierBuilder.trainClassifier(dir, new String[0]);
classifierBuilder.packageClassifier(dir);
}
};
Task analysisTask = new UimaTaskBase() {
{
setType("AnalysisTask");
}
@Override
public CollectionReaderDescription getCollectionReaderDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
return createReaderDescription(TextReader.class, TextReader.PARAM_SOURCE_LOCATION, "src/test/resources/text", TextReader.PARAM_PATTERNS, new String[] { "[+]**/*.txt" }, TextReader.PARAM_LANGUAGE, "de");
}
@Override
public AnalysisEngineDescription getAnalysisEngineDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
File model = new File(aContext.getFolder("MODEL", AccessMode.READONLY), "model.jar");
File tsv = new File(aContext.getFolder("TSV", AccessMode.READWRITE), "output.tsv");
return createEngine(createEngineDescription(BreakIteratorSegmenter.class), createEngineDescription(SnowballStemmer.class), createEngineDescription(ExamplePosAnnotator.class, GenericJarClassifierFactory.PARAM_CLASSIFIER_JAR_PATH, model.getAbsolutePath()), createEngineDescription(ImsCwbWriter.class, ImsCwbWriter.PARAM_TARGET_LOCATION, tsv));
}
};
ParameterSpace pSpace = new ParameterSpace(Dimension.create("corpusPath", CORPUS_PATH));
featureExtractionTask.addImport(preprocessingTask, "XMI");
trainingTask.addImport(featureExtractionTask, "MODEL");
analysisTask.addImport(trainingTask, "MODEL");
DefaultBatchTask batch = new DefaultBatchTask();
batch.setParameterSpace(pSpace);
batch.setExecutionPolicy(ExecutionPolicy.USE_EXISTING);
batch.addTask(preprocessingTask);
batch.addTask(featureExtractionTask);
batch.addTask(trainingTask);
batch.addTask(analysisTask);
Lab.getInstance().run(batch);
}
use of org.dkpro.lab.uima.task.impl.UimaTaskBase in project dkpro-lab by dkpro.
the class PosExampleMaxEnt method run.
@Test
public void run() throws Exception {
// Route logging through log4j
System.setProperty("org.apache.uima.logger.class", "org.apache.uima.util.impl.Log4jLogger_impl");
clean();
Task preprocessingTask = new UimaTaskBase() {
@Discriminator
String corpusPath;
{
setType("Preprocessing");
}
@Override
public CollectionReaderDescription getCollectionReaderDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
return createReader(NegraExportReader.class, NegraExportReader.PARAM_SOURCE_LOCATION, corpusPath, NegraExportReader.PARAM_LANGUAGE, "de");
}
@Override
public AnalysisEngineDescription getAnalysisEngineDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
File xmiDir = aContext.getFolder("XMI", AccessMode.READWRITE);
return createEngine(createEngine(SnowballStemmer.class), createEngine(XmiWriter.class, XmiWriter.PARAM_TARGET_LOCATION, xmiDir.getAbsolutePath(), XmiWriter.PARAM_COMPRESSION, CompressionMethod.GZIP));
}
};
Task featureExtractionTask = new UimaTaskBase() {
{
setType("FeatureExtraction");
}
@Override
public CollectionReaderDescription getCollectionReaderDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
File xmiDir = aContext.getFolder("XMI", AccessMode.READONLY);
return createReader(XmiReader.class, XmiReader.PARAM_SOURCE_LOCATION, xmiDir.getAbsolutePath(), XmiReader.PARAM_PATTERNS, new String[] { "[+]**/*.xmi.gz" });
}
@Override
public AnalysisEngineDescription getAnalysisEngineDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
File modelDir = aContext.getFolder("MODEL", AccessMode.READWRITE);
return createEngine(createEngineDescription(ExamplePosAnnotator.class, ExamplePosAnnotator.PARAM_DATA_WRITER_FACTORY_CLASS_NAME, ViterbiDataWriterFactory.class.getName(), ViterbiDataWriterFactory.PARAM_OUTPUT_DIRECTORY, modelDir.getAbsolutePath(), ViterbiDataWriterFactory.PARAM_DELEGATED_DATA_WRITER_FACTORY_CLASS, DefaultMaxentDataWriterFactory.class.getName()));
}
};
Task trainingTask = new ExecutableTaskBase() {
@Discriminator
private int iterations;
@Discriminator
private int cutoff;
{
setType("TrainingTask");
}
@Override
public void execute(TaskContext aContext) throws Exception {
File dir = aContext.getFolder("MODEL", AccessMode.READWRITE);
JarClassifierBuilder<?> classifierBuilder = JarClassifierBuilder.fromTrainingDirectory(dir);
classifierBuilder.trainClassifier(dir, new String[] { String.valueOf(iterations), String.valueOf(cutoff) });
classifierBuilder.packageClassifier(dir);
}
};
Task analysisTask = new UimaTaskBase() {
{
setType("AnalysisTask");
}
@Override
public CollectionReaderDescription getCollectionReaderDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
return createReaderDescription(TextReader.class, TextReader.PARAM_SOURCE_LOCATION, "src/test/resources/text/**/*.txt", TextReader.PARAM_LANGUAGE, "de");
}
@Override
public AnalysisEngineDescription getAnalysisEngineDescription(TaskContext aContext) throws ResourceInitializationException, IOException {
File model = new File(aContext.getFolder("MODEL", AccessMode.READONLY), "model.jar");
File tsv = new File(aContext.getFolder("TSV", AccessMode.READWRITE), "output.tsv");
return createEngine(createEngineDescription(BreakIteratorSegmenter.class), createEngineDescription(SnowballStemmer.class), createEngineDescription(ExamplePosAnnotator.class, GenericJarClassifierFactory.PARAM_CLASSIFIER_JAR_PATH, model.getAbsolutePath()), createEngineDescription(ImsCwbWriter.class, ImsCwbWriter.PARAM_TARGET_LOCATION, tsv));
}
};
ParameterSpace pSpace = new ParameterSpace(Dimension.create("corpusPath", CORPUS_PATH), Dimension.create("iterations", 20, 50, 100), Dimension.create("cutoff", 5));
featureExtractionTask.addImport(preprocessingTask, "XMI");
trainingTask.addImport(featureExtractionTask, "MODEL");
analysisTask.addImport(trainingTask, "MODEL");
DefaultBatchTask batch = new DefaultBatchTask();
batch.setParameterSpace(pSpace);
batch.setExecutionPolicy(ExecutionPolicy.USE_EXISTING);
batch.addTask(preprocessingTask);
batch.addTask(featureExtractionTask);
batch.addTask(trainingTask);
batch.addTask(analysisTask);
Lab.getInstance().run(batch);
}
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