eus.ixa.ixa.pipe.nerc.features

Class XMLFeatureDescriptor

java.lang.Object

eus.ixa.ixa.pipe.nerc.features.XMLFeatureDescriptor

public final class XMLFeatureDescriptor
extends Object

Class to automatically generate the feature descriptor from a trainParams.properties file.

Version:

2015-03-30

Author:

ragerri

Method Summary

Modifier and Type	Method and Description
static String	createXMLFeatureDescriptor(opennlp.tools.util.TrainingParameters params) Generate the XML feature descriptor from the TrainingParameters prop file.
static int	getLeftWindow() Get the left window feature length.
static int	getMaxCharNgram() Get the maximum character ngram.
static int	getMinCharNgram() Get the minimum character ngram.
static List<Integer>	getNgramRange(opennlp.tools.util.TrainingParameters params) Get the range of the character ngram of current token.
static int	getRightWindow() Get the right window feature length.
static void	setNgramRange(opennlp.tools.util.TrainingParameters params) Set the character ngrams minimum and maximum values.
static void	setWindow(opennlp.tools.util.TrainingParameters params) Set the window length from the training parameters file.

Methods inherited from class java.lang.Object

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

Method Detail

getLeftWindow

public static int getLeftWindow()

Get the left window feature length.

Returns:

the leftWindow length

getRightWindow

public static int getRightWindow()

Get the right window feature length.

Returns:

the rightWindow length

getMinCharNgram

public static int getMinCharNgram()

Get the minimum character ngram.

Returns:

the minimum character ngram value

getMaxCharNgram

public static int getMaxCharNgram()

Get the maximum character ngram.

Returns:

the maximum character ngram value

createXMLFeatureDescriptor

public static String createXMLFeatureDescriptor(opennlp.tools.util.TrainingParameters params)
                                         throws IOException

Generate the XML feature descriptor from the TrainingParameters prop file.

Parameters:

params - the properties file

Returns:

the XML feature descriptor

Throws:

IOException - if input output fails

setWindow

public static void setWindow(opennlp.tools.util.TrainingParameters params)

Set the window length from the training parameters file.

Parameters:

params - the properties file

setNgramRange

public static void setNgramRange(opennlp.tools.util.TrainingParameters params)

Set the character ngrams minimum and maximum values.

Parameters:

params - the parameters file

getNgramRange

public static List<Integer> getNgramRange(opennlp.tools.util.TrainingParameters params)

Get the range of the character ngram of current token.

Parameters:

params - the training parameters

Returns:

a list containing the initial and maximum ngram values