opennlp.tools.util.featuregen
Class FeatureGeneratorUtil

java.lang.Object
  opennlp.tools.util.featuregen.FeatureGeneratorUtil

public class FeatureGeneratorUtil
extends Object

This class provide common utilities for feature generation.

Constructor Summary

FeatureGeneratorUtil()

Method Summary

static String

tokenFeature(String token) Generates a class name for the specified token.

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureGeneratorUtil

public FeatureGeneratorUtil()

Method Detail

tokenFeature

public static String tokenFeature(String token)

Generates a class name for the specified token. The classes are as follows where the first matching class is used:

• lc - lowercase alphabetic
• 2d - two digits
• 4d - four digits
• an - alpha-numeric
• dd - digits and dashes
• ds - digits and slashes
• dc - digits and commas
• dp - digits and periods
• num - digits
• sc - single capital letter
• ac - all capital letters
• ic - initial capital letter
• other - other

Parameters:

token - A token or word.

Returns:

The class name that the specified token belongs in.