edu.stanford.nlp.tagger.maxent
Class ExtractorVerbalVBNZero
java.lang.Object
edu.stanford.nlp.tagger.maxent.Extractor
edu.stanford.nlp.tagger.maxent.DictionaryExtractor
edu.stanford.nlp.tagger.maxent.ExtractorVerbalVBNZero
- All Implemented Interfaces:
- Serializable
public class ExtractorVerbalVBNZero
- extends DictionaryExtractor
Look for verbs selecting a VBN verb.
This is now a zeroeth order observed data only feature.
But reminiscent of what was done in Toutanova and Manning 2000.
It doesn't seem to help tagging performance any more.
- Author:
- Christopher Manning
- See Also:
- Serialized Form
ExtractorVerbalVBNZero
public ExtractorVerbalVBNZero(int bound)
precondition
public boolean precondition(String tag)
- Description copied from class:
Extractor
- This evaluates any precondition for a feature being applicable based
on a certain tag. It returns true if the feature is applicable.
By default an Extractor is applicable everywhere, but some
subclasses limit application.
- Overrides:
precondition
in class Extractor
- Parameters:
tag
- The possible tag that the feature will be generated for
- Returns:
- Whether the feature extractor is applicable (true) or not (false)
toString
public String toString()
- Overrides:
toString
in class Extractor
Stanford NLP Group