Class WindowFeatureGenerator

    • Constructor Detail

      • WindowFeatureGenerator

        public WindowFeatureGenerator​(AdaptiveFeatureGenerator generator,
                                      int prevWindowSize,
                                      int nextWindowSize)
        Initializes the current instance with the given parameters.
        Parameters:
        generator - Feature generator to apply to the window.
        prevWindowSize - Size of the window to the left of the current token.
        nextWindowSize - Size of the window to the right of the current token.
      • WindowFeatureGenerator

        public WindowFeatureGenerator​(int prevWindowSize,
                                      int nextWindowSize,
                                      AdaptiveFeatureGenerator... generators)
        Initializes the current instance with the given parameters.
        Parameters:
        prevWindowSize -
        nextWindowSize -
        generators -
      • WindowFeatureGenerator

        public WindowFeatureGenerator​(AdaptiveFeatureGenerator generator)
        Initializes the current instance. The previous and next window size is 5.
        Parameters:
        generator - feature generator
      • WindowFeatureGenerator

        public WindowFeatureGenerator​(AdaptiveFeatureGenerator... generators)
        Initializes the current instance with the given parameters.
        Parameters:
        generators - array of feature generators
    • Method Detail

      • createFeatures

        public void createFeatures​(List<String> features,
                                   String[] tokens,
                                   int index,
                                   String[] preds)
        Description copied from interface: AdaptiveFeatureGenerator
        Adds the appropriate features for the token at the specified index with the specified array of previous outcomes to the specified list of features.
        Specified by:
        createFeatures in interface AdaptiveFeatureGenerator
        Parameters:
        features - The list of features to be added to.
        tokens - The tokens of the sentence or other text unit being processed.
        index - The index of the token which is currently being processed.
        preds - The outcomes for the tokens prior to the specified index.
      • updateAdaptiveData

        public void updateAdaptiveData​(String[] tokens,
                                       String[] outcomes)
        Description copied from interface: AdaptiveFeatureGenerator
        Informs the feature generator that the specified tokens have been classified with the corresponding set of specified outcomes.
        Specified by:
        updateAdaptiveData in interface AdaptiveFeatureGenerator
        Parameters:
        tokens - The tokens of the sentence or other text unit which has been processed.
        outcomes - The outcomes associated with the specified tokens.