Package opennlp.tools.postag
Class DefaultPOSContextGenerator
- java.lang.Object
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- opennlp.tools.postag.DefaultPOSContextGenerator
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- All Implemented Interfaces:
POSContextGenerator,BeamSearchContextGenerator<String>
public class DefaultPOSContextGenerator extends Object implements POSContextGenerator
A context generator for the POS Tagger.
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Constructor Summary
Constructors Constructor Description DefaultPOSContextGenerator(int cacheSize, Dictionary dict)Initializes the current instance.DefaultPOSContextGenerator(Dictionary dict)Initializes the current instance.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String[]getContext(int index, Object[] tokens, String[] tags)Returns the context for making a pos tag decision at the specified token index given the specified tokens and previous tags.String[]getContext(int index, String[] sequence, String[] priorDecisions, Object[] additionalContext)Returns the context for the specified position in the specified sequence (list).
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Constructor Detail
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DefaultPOSContextGenerator
public DefaultPOSContextGenerator(Dictionary dict)
Initializes the current instance.- Parameters:
dict-
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DefaultPOSContextGenerator
public DefaultPOSContextGenerator(int cacheSize, Dictionary dict)Initializes the current instance.- Parameters:
cacheSize-dict-
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Method Detail
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getContext
public String[] getContext(int index, String[] sequence, String[] priorDecisions, Object[] additionalContext)
Description copied from interface:BeamSearchContextGeneratorReturns the context for the specified position in the specified sequence (list).- Specified by:
getContextin interfaceBeamSearchContextGenerator<String>- Specified by:
getContextin interfacePOSContextGenerator- Parameters:
index- The index of the sequence.sequence- The sequence of items over which the beam search is performed.priorDecisions- The sequence of decisions made prior to the context for which this decision is being made.additionalContext- Any addition context specific to a class implementing this interface.- Returns:
- the context for the specified position in the specified sequence.
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getContext
public String[] getContext(int index, Object[] tokens, String[] tags)
Returns the context for making a pos tag decision at the specified token index given the specified tokens and previous tags.- Parameters:
index- The index of the token for which the context is provided.tokens- The tokens in the sentence.tags- The tags assigned to the previous words in the sentence.- Returns:
- The context for making a pos tag decision at the specified token index given the specified tokens and previous tags.
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