Package opennlp.tools.namefind
Class BilouCodec
java.lang.Object
opennlp.tools.namefind.BilouCodec
- All Implemented Interfaces:
SequenceCodec<String>
The default
SequenceCodec implementation according to the BILOU scheme.
- B: 'beginning' of a NE
- I: 'inside', the word is inside a NE
- L: 'last', the last (I) word inside a NE
- O: 'outside', the word is a regular word outside a NE
- U: 'unit', any standalone token following words outside of NE
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Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionbooleanareOutcomesCompatible(String[] outcomes) B requires CL or L, C requires BL, L requires B, O requires any valid combo/unit, U requires none.Span[]String[]
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Field Details
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START
- See Also:
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CONTINUE
- See Also:
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LAST
- See Also:
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UNIT
- See Also:
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OTHER
- See Also:
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Constructor Details
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BilouCodec
public BilouCodec()
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Method Details
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decode
Description copied from interface:SequenceCodec- Specified by:
decodein interfaceSequenceCodec<String>- Parameters:
c- A list ofSequenceCodecto decode.- Returns:
- A
Spanarray encapsulating the decoded elements inc.
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encode
Description copied from interface:SequenceCodec- Specified by:
encodein interfaceSequenceCodec<String>- Parameters:
names- A list ofelementsto encode.length- The length to respect.- Returns:
- An array of
SequenceCodecto encode.
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createSequenceValidator
- Specified by:
createSequenceValidatorin interfaceSequenceCodec<String>- Returns:
- A
SequenceValidatorwhich can validate a sequence ofoutcomes.
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areOutcomesCompatible
B requires CL or L, C requires BL, L requires B, O requires any valid combo/unit, U requires none.- Specified by:
areOutcomesCompatiblein interfaceSequenceCodec<String>- Parameters:
outcomes- All potential model outcomes check.- Returns:
true, if model outcomes are compatible,falseotherwise.
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