# Package opennlp.tools.chunker

package opennlp.tools.chunker
Package related to finding non-recursive syntactic annotation such as noun phrase chunks.

- Class
  Description
  Chunker
  The interface for chunkers which provide chunk tags for a sequence of tokens.
  ChunkerContextGenerator
  Interface for a `BeamSearchContextGenerator` used in syntactic chunking.
  ChunkerCrossValidator
  Cross validator for `Chunker`.
  ChunkerEvaluationMonitor
  A marker interface for evaluating `chunkers`.
  ChunkerEvaluator
  The `ChunkerEvaluator` measures the performance of the given `Chunker` with the provided reference `samples`.
  ChunkerEventStream
  Class for creating an event stream out of data files for training a `Chunker`.
  ChunkerFactory
  ChunkerME
  The class represents a maximum-entropy-based `Chunker`.
  ChunkerModel
  The `ChunkerModel` is the model used by a learnable `Chunker`.
  ChunkSample
  Class for holding chunks for a single unit of text.
  ChunkSampleSequenceStream
  A `SequenceStream` implementation encapsulating `samples`.
  ChunkSampleStream
  Parses the conll 2000 shared task shallow parser training data.
  DefaultChunkerContextGenerator
  Features based on chunking model described in Fei Sha and Fernando Pereira.
  DefaultChunkerSequenceValidator
  The default chunker `SequenceValidator` implementation.
  ThreadSafeChunkerME
  A thread-safe version of the `ChunkerME`.