Package opennlp.tools.chunker

Class DefaultChunkerContextGenerator

java.lang.Object

opennlp.tools.chunker.DefaultChunkerContextGenerator

All Implemented Interfaces:

opennlp.tools.chunker.ChunkerContextGenerator, opennlp.tools.util.BeamSearchContextGenerator<opennlp.tools.util.TokenTag>

public class DefaultChunkerContextGenerator
extends Object
implements opennlp.tools.chunker.ChunkerContextGenerator

Features based on chunking model described in Fei Sha and Fernando Pereira. Shallow parsing with conditional random fields. In Proceedings of HLT-NAACL 2003. Association for Computational Linguistics, 2003.

Constructor Summary

Constructors

Constructor	Description
DefaultChunkerContextGenerator()	Initializes a DefaultChunkerContextGenerator instance.

Method Summary

Modifier and Type	Method	Description
String[]	getContext(int i, String[] toks, String[] tags, String[] preds)
String[]	getContext(int index, opennlp.tools.util.TokenTag[] sequence, String[] priorDecisions, Object[] additionalContext)

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultChunkerContextGenerator

public DefaultChunkerContextGenerator()

Initializes a DefaultChunkerContextGenerator instance.

Method Details

getContext

public String[] getContext(int i,
 String[] toks,
 String[] tags,
 String[] preds)

Specified by:

getContext in interface opennlp.tools.chunker.ChunkerContextGenerator

getContext

public String[] getContext(int index,
 opennlp.tools.util.TokenTag[] sequence,
 String[] priorDecisions,
 Object[] additionalContext)

Specified by:

getContext in interface opennlp.tools.util.BeamSearchContextGenerator<opennlp.tools.util.TokenTag>