Package opennlp.tools.chunker
Interface Chunker
- All Known Implementing Classes:
ChunkerME
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) Generates tagged chunk spans for the given sequence returning the result in a span array.Sequence[]
topKSequences
(String[] sentence, String[] tags) Returns the top k chunk sequences for the specified sentence with the specified pos-tagsSequence[]
topKSequences
(String[] sentence, String[] tags, double minSequenceScore) Returns the top k chunk sequences for 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
Generates tagged chunk spans for the given sequence returning the result in a span 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 spans with chunk tags for each chunk in the sequence.
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topKSequences
Returns the top k chunk sequences for 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 sequences for the specified sentence.
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topKSequences
Returns the top k chunk sequences for 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 sequences for the specified sentence.
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