Package opennlp.tools.util.featuregen

package opennlp.tools.util.featuregen

This package contains classes for generating sequence features.

Related Packages

Package	Description
opennlp.tools.util	Package containing utility data structures and algorithms used by multiple other packages.

Class	Description
AdaptiveFeatureGenerator	An interface for generating features for name entity identification and for updating document level contexts.
AdditionalContextFeatureGenerator	The AdditionalContextFeatureGenerator generates the context from the passed in additional context.
AggregatedFeatureGenerator	The AggregatedFeatureGenerator aggregates a set of feature generators and calls them to generate the features.
AggregatedFeatureGeneratorFactory	A GeneratorFactory that produces AggregatedFeatureGenerator instances when AggregatedFeatureGeneratorFactory.create() is called.
BigramNameFeatureGenerator	Adds bigram features based on tokens and token classes.
BigramNameFeatureGeneratorFactory	A GeneratorFactory that produces BigramNameFeatureGenerator instances when BigramNameFeatureGeneratorFactory.create() is called.
BrownBigramFeatureGenerator	Generates Brown cluster features for token bigrams.
BrownCluster	Class to load a Brown cluster document in the format: word\tword_class\tprob.
BrownCluster.BrownClusterSerializer
BrownClusterBigramFeatureGeneratorFactory	A GeneratorFactory that produces BrownBigramFeatureGenerator instances when BrownClusterBigramFeatureGeneratorFactory.create() is called.
BrownClusterTokenClassFeatureGeneratorFactory	A GeneratorFactory that produces BrownTokenClassFeatureGenerator instances when BrownClusterTokenClassFeatureGeneratorFactory.create() is called.
BrownClusterTokenFeatureGeneratorFactory	A GeneratorFactory that produces BrownTokenFeatureGenerator instances when BrownClusterTokenFeatureGeneratorFactory.create() is called.
BrownTokenClasses	Obtain the paths listed in the pathLengths array from the Brown class.
BrownTokenClassFeatureGenerator	Generates BrownCluster features for current token and token class.
BrownTokenFeatureGenerator	Generates BrownCluster features for current token.
CachedFeatureGenerator	Caches features of the aggregated generators.
CachedFeatureGeneratorFactory	A GeneratorFactory that produces CachedFeatureGenerator instances when CachedFeatureGeneratorFactory.create() is called.
CharacterNgramFeatureGenerator	The CharacterNgramFeatureGenerator uses character ngrams to generate features about each token.
CharacterNgramFeatureGeneratorFactory	A GeneratorFactory that produces CharacterNgramFeatureGenerator instances when CharacterNgramFeatureGeneratorFactory.create() is called.
DefinitionFeatureGeneratorFactory	A GeneratorFactory that produces OutcomePriorFeatureGenerator instances when DefinitionFeatureGeneratorFactory.create() is called.
DictionaryFeatureGenerator	The DictionaryFeatureGenerator uses a DictionaryNameFinder to generate features for detected names based on the InSpanGenerator.
DictionaryFeatureGeneratorFactory	A GeneratorFactory that produces DictionaryFeatureGenerator instances when DictionaryFeatureGeneratorFactory.create() is called.
DocumentBeginFeatureGenerator	This feature generator creates document begin features.
DocumentBeginFeatureGeneratorFactory	A GeneratorFactory that produces DocumentBeginFeatureGenerator instances when DocumentBeginFeatureGeneratorFactory.create() is called.
FeatureGeneratorResourceProvider	The FeatureGeneratorResourceProvider provides access to the resources available in the model.
FeatureGeneratorUtil	This class provide common utilities for feature generation.
GeneratorFactory	Creates a set of feature generators based on a provided XML descriptor.
GeneratorFactory.AbstractXmlFeatureGeneratorFactory
InSpanGenerator	Generates features if the tokens are recognized by the provided TokenNameFinder.
OutcomePriorFeatureGenerator	The definition feature maps the underlying distribution of outcomes.
PosTaggerFeatureGenerator	A POS tagging driven feature generator.
PosTaggerFeatureGeneratorFactory	A GeneratorFactory that produces PosTaggerFeatureGenerator instances when PosTaggerFeatureGeneratorFactory.create() is called.
POSTaggerNameFeatureGenerator	Adds the token POS tag as feature.
POSTaggerNameFeatureGeneratorFactory	A GeneratorFactory that produces POSTaggerNameFeatureGenerator instances when POSTaggerNameFeatureGeneratorFactory.create() is called.
PrefixFeatureGenerator	A feature generator implementation that generates prefix-based features.
PrefixFeatureGeneratorFactory	A GeneratorFactory that produces PrefixFeatureGenerator instances when PrefixFeatureGeneratorFactory.create() is called.
PreviousMapFeatureGenerator	This AdaptiveFeatureGenerator generates features indicating the outcome associated with a previously occurring word.
PreviousMapFeatureGeneratorFactory	A GeneratorFactory that produces PreviousMapFeatureGenerator instances when PreviousMapFeatureGeneratorFactory.create() is called.
PreviousTwoMapFeatureGenerator	This AdaptiveFeatureGenerator generates features indicating the outcome associated with two previously occurring words.
SentenceFeatureGenerator	This feature generator creates sentence begin and end features.
SentenceFeatureGeneratorFactory	A GeneratorFactory that produces SentenceFeatureGenerator instances when SentenceFeatureGeneratorFactory.create() is called.
StringPattern	Recognizes predefined patterns in strings.
SuffixFeatureGenerator	A feature generator implementation that generates suffix-based features.
SuffixFeatureGeneratorFactory	A GeneratorFactory that produces SuffixFeatureGenerator instances when SuffixFeatureGeneratorFactory.create() is called.
TokenClassFeatureGenerator	Generates features for the class of a token.
TokenClassFeatureGeneratorFactory	A GeneratorFactory that produces TokenClassFeatureGenerator instances when TokenClassFeatureGeneratorFactory.create() is called.
TokenFeatureGenerator	Generates a feature which contains a token itself.
TokenFeatureGeneratorFactory	A GeneratorFactory that produces TokenFeatureGenerator instances when TokenFeatureGeneratorFactory.create() is called.
TokenPatternFeatureGenerator	Partitions tokens into sub-tokens based on character classes and generates class features for each of the sub-tokens and combinations of those sub-tokens.
TokenPatternFeatureGeneratorFactory	A GeneratorFactory instantiates TokenPatternFeatureGenerator instances when TokenPatternFeatureGeneratorFactory.create() is called.
TrigramNameFeatureGenerator	Adds trigram features based on tokens and token classes.
TrigramNameFeatureGeneratorFactory	A GeneratorFactory that produces TrigramNameFeatureGenerator instances when TrigramNameFeatureGeneratorFactory.create() is called.
WindowFeatureGenerator	Generates previous (left-sided) and next (right-sided) features for a given AdaptiveFeatureGenerator.
WindowFeatureGeneratorFactory	A GeneratorFactory that produces WindowFeatureGenerator instances when WindowFeatureGeneratorFactory.create() is called.
WordClusterDictionary
WordClusterDictionary.WordClusterDictionarySerializer
WordClusterFeatureGenerator	An AdaptiveFeatureGenerator implementation of a word cluster feature generator.
WordClusterFeatureGeneratorFactory	Defines a word cluster GeneratorFactory; it reads an element containing 'w2vwordcluster' as a tag name.