Package opennlp.tools.chunker
Interface Chunker
- All Known Implementing Classes:
ChunkerME,ThreadSafeChunkerME
public interface Chunker
The interface for chunkers which provide chunk tags for a sequence of tokens.
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Method Summary
Modifier and TypeMethodDescriptionString[]Generates chunk tags for the given sequence returning the result in an array.Span[]chunkAsSpans(String[] toks, String[] tags) Sequence[]topKSequences(String[] sentence, String[] tags) Computes the top k chunksequencesfor the specified sentence with the specified pos-tags.Sequence[]topKSequences(String[] sentence, String[] tags, double minSequenceScore) Computes the top k chunksequencesfor the specified sentence with the specified pos-tags.
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Method Details
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chunk
Generates chunk tags for the given sequence returning the result in an array.- Parameters:
toks- an array of the tokens or words of the sequence.tags- an array of the pos tags of the sequence.- Returns:
- an array of chunk tags for each token in the sequence.
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chunkAsSpans
- Parameters:
toks- an array of the tokens or words of the sequence.tags- an array of the pos tags of the sequence.- Returns:
- an array of
spanswith chunk tags for each chunk in the sequence.
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topKSequences
Computes the top k chunksequencesfor the specified sentence with the specified pos-tags.- Parameters:
sentence- The tokens of the sentence.tags- The pos-tags for the specified sentence.- Returns:
- the top k chunk
sequencesfor the specified sentence.
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topKSequences
Computes the top k chunksequencesfor the specified sentence with the specified pos-tags.- Parameters:
sentence- The tokens of the sentence.tags- The pos-tags for the specified sentence.minSequenceScore- A lower bound on the score of a returned sequence.- Returns:
- the top k chunk
sequencesfor the specified sentence.
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