org.dkpro.core.opennlp

Class OpenNlpNamedEntityRecognizerTrainer

java.lang.Object

org.apache.uima.analysis_component.AnalysisComponent_ImplBase

org.apache.uima.analysis_component.Annotator_ImplBase

org.apache.uima.analysis_component.JCasAnnotator_ImplBase

org.apache.uima.fit.component.JCasConsumer_ImplBase

org.dkpro.core.opennlp.OpenNlpNamedEntityRecognizerTrainer

All Implemented Interfaces:

org.apache.uima.analysis_component.AnalysisComponent

public class OpenNlpNamedEntityRecognizerTrainer
extends org.apache.uima.fit.component.JCasConsumer_ImplBase

Train a named entity recognizer model for OpenNLP.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OpenNlpNamedEntityRecognizerTrainer.SequenceEncoding

Field Summary

Fields

Modifier and Type	Field and Description
protected String	acceptedTagsRegex
static String	PARAM_ACCEPTED_TAGS_REGEX Regex to filter the named entity by type.
static String	PARAM_ALGORITHM
static String	PARAM_BEAMSIZE
static String	PARAM_CUTOFF Frequency cut-off.
static String	PARAM_FEATURE_GEN_LOCATION File containing the feature generation specification.
static String	PARAM_ITERATIONS Number of training iterations.
static String	PARAM_LANGUAGE Store this language to the model instead of the document language.
static String	PARAM_NUM_THREADS Number of parallel threads.
static String	PARAM_SEQUENCE_ENCODING Type of sequence encoding to use.
static String	PARAM_TARGET_LOCATION Location to which the output is written.
static String	PARAM_TRAINER_TYPE Training algorithm.

Constructor Summary

Constructors

Constructor and Description
OpenNlpNamedEntityRecognizerTrainer()

Method Summary

Modifier and Type	Method and Description
void	collectionProcessComplete()
void	initialize(org.apache.uima.UimaContext aContext)
void	process(org.apache.uima.jcas.JCas aJCas)

Methods inherited from class org.apache.uima.analysis_component.JCasAnnotator_ImplBase

getRequiredCasInterface, process

Methods inherited from class org.apache.uima.analysis_component.Annotator_ImplBase

getCasInstancesRequired, hasNext, next

Methods inherited from class org.apache.uima.analysis_component.AnalysisComponent_ImplBase

batchProcessComplete, destroy, getContext, getLogger, getResultSpecification, reconfigure, setResultSpecification

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PARAM_LANGUAGE

public static final String PARAM_LANGUAGE

Store this language to the model instead of the document language.

See Also:

Constant Field Values

PARAM_TARGET_LOCATION

public static final String PARAM_TARGET_LOCATION

Location to which the output is written.

See Also:

Constant Field Values

PARAM_ACCEPTED_TAGS_REGEX

public static final String PARAM_ACCEPTED_TAGS_REGEX

Regex to filter the named entity by type.

See Also:

Constant Field Values

acceptedTagsRegex

protected String acceptedTagsRegex

PARAM_ALGORITHM

public static final String PARAM_ALGORITHM

See Also:

GISTrainer.MAXENT_VALUE, QNTrainer.MAXENT_QN_VALUE, PerceptronTrainer.PERCEPTRON_VALUE, SimplePerceptronSequenceTrainer.PERCEPTRON_SEQUENCE_VALUE, Constant Field Values

PARAM_TRAINER_TYPE

public static final String PARAM_TRAINER_TYPE

Training algorithm.

See Also:

Constant Field Values

PARAM_ITERATIONS

public static final String PARAM_ITERATIONS

Number of training iterations.

See Also:

Constant Field Values

PARAM_CUTOFF

public static final String PARAM_CUTOFF

Frequency cut-off.

See Also:

Constant Field Values

PARAM_BEAMSIZE

public static final String PARAM_BEAMSIZE

See Also:

NameFinderME.DEFAULT_BEAM_SIZE, Constant Field Values

PARAM_FEATURE_GEN_LOCATION

public static final String PARAM_FEATURE_GEN_LOCATION

File containing the feature generation specification.

See Also:

Constant Field Values

PARAM_SEQUENCE_ENCODING

public static final String PARAM_SEQUENCE_ENCODING

Type of sequence encoding to use.

See Also:

Constant Field Values

PARAM_NUM_THREADS

public static final String PARAM_NUM_THREADS

Number of parallel threads.

See Also:

Constant Field Values

Constructor Detail

OpenNlpNamedEntityRecognizerTrainer

public OpenNlpNamedEntityRecognizerTrainer()

Method Detail

initialize

public void initialize(org.apache.uima.UimaContext aContext)
                throws org.apache.uima.resource.ResourceInitializationException

Specified by:

initialize in interface org.apache.uima.analysis_component.AnalysisComponent

Overrides:

initialize in class org.apache.uima.fit.component.JCasConsumer_ImplBase

Throws:

org.apache.uima.resource.ResourceInitializationException

process

public void process(org.apache.uima.jcas.JCas aJCas)
             throws org.apache.uima.analysis_engine.AnalysisEngineProcessException

Specified by:

process in class org.apache.uima.analysis_component.JCasAnnotator_ImplBase

Throws:

org.apache.uima.analysis_engine.AnalysisEngineProcessException

collectionProcessComplete

public void collectionProcessComplete()
                               throws org.apache.uima.analysis_engine.AnalysisEngineProcessException

Specified by:

collectionProcessComplete in interface org.apache.uima.analysis_component.AnalysisComponent

Overrides:

collectionProcessComplete in class org.apache.uima.analysis_component.AnalysisComponent_ImplBase

Throws:

org.apache.uima.analysis_engine.AnalysisEngineProcessException