Package opennlp.tools.chunker

Interface ChunkerContextGenerator

All Superinterfaces:

BeamSearchContextGenerator<TokenTag>

All Known Implementing Classes:

ChunkContextGenerator, DefaultChunkerContextGenerator

public interface ChunkerContextGenerator
extends BeamSearchContextGenerator<TokenTag>

Interface for a BeamSearchContextGenerator used in syntactic chunking.

Method Summary

Modifier and Type	Method	Description
String[]	getContext(int idx, String[] toks, String[] tags, String[] preds)	Retrieves the contexts for chunking of the specified idx.

Methods inherited from interface opennlp.tools.util.BeamSearchContextGenerator

getContext

Method Details

getContext

String[] getContext(int idx,
 String[] toks,
 String[] tags,
 String[] preds)

Retrieves the contexts for chunking of the specified idx.

Parameters:

idx - The index of the token in the specified toks array for which the context should be constructed.

toks - The tokens of the sentence. The toString methods of these objects should return the token text.

tags - The POS tags for the specified tokens.

preds - The previous decisions made in the tagging of this sequence. Only indices less than idx will be examined.

Returns:

An array of predictive contexts on which a model basis its decisions.