opennlp.tools.parser.chunking
Class BuildContextGenerator

java.lang.Object
  opennlp.tools.parser.AbstractContextGenerator
      opennlp.tools.parser.chunking.BuildContextGenerator

public class BuildContextGenerator
extends AbstractContextGenerator

Class to generator predictive contexts for deciding how constituents should be combined together.

Author:

Tom Morton

Field Summary

Fields inherited from class opennlp.tools.parser.AbstractContextGenerator

EOS, punctSet, useLabel, zeroBackOff

Constructor Summary

BuildContextGenerator()
Creates a new context generator for making decisions about combining constitients togehter.

BuildContextGenerator(Dictionary dict)

Method Summary

String[]	getContext(Object o)
String[]	getContext(Parse[] constituents, int index) Returns the predictive context used to determine how constituent at the specified index should be combined with other contisuents.

Methods inherited from class opennlp.tools.parser.AbstractContextGenerator

checkcons, checkcons, cons, cons2, cons3, consbo, getFrontierNodes, production, punct, punctbo, surround

Methods inherited from class java.lang.Object

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

Constructor Detail

BuildContextGenerator

public BuildContextGenerator()

Creates a new context generator for making decisions about combining constitients togehter.

BuildContextGenerator

public BuildContextGenerator(Dictionary dict)

Method Detail

getContext

public String[] getContext(Object o)

getContext

public String[] getContext(Parse[] constituents,
                           int index)

Returns the predictive context used to determine how constituent at the specified index should be combined with other contisuents.

Parameters:

constituents - The constituents which have yet to be combined into new constituents.

index - The index of the constituent whcihi is being considered.

Returns:

the context for building constituents at the specified index.