Class | Description |
---|---|
BrownClusterFeatureExtractor |
A
WordFeatureExtractor that generates prefixes of brown cluster Ids
for each word. |
ChunkEmbedding |
Adds the following features using chunks from the specified view:
The number of chunks contained in the constituent
A thresholded version of the number of chunks.
|
ChunkPathPattern |
Extracts the following features from two constituents
The concatenation of shallow parse chunks between the last token of the
constituent to the left and the first token of the other one.
|
ChunkPropertyFeatureFactory |
A collection of features that extract properties from chunks.
|
ClauseFeatureExtractor | |
CorlexFeatureExtractor | |
DependencyPath |
Given two tokens, this feature extractor extracts the following features:
The path (without tokens) in the dependency tree from the first token of
the first constituent to the first token of the second one.
The path, where tokens are represented by their POS tag
The length of the path
|
DependencyPathNgrams |
Given two tokens, this feature extractor extracts the following features:
The path in the dependency tree from the first token of the first
constituent to the first token of the second one.
The length of the path
|
LevinVerbClassFeature |
Adds a collection of features that correspond to Levin's verb classes, as
defined in
"English Verb Classes And Alternations: A Preliminary Investigation"
|
LinearDistance |
Given two constituents, indicates distance between the two.
|
LinearPosition |
Given two constituents, indicates whether the first is before or after the
other or have an overlap.
|
ListFeatureFactory | |
NomLexClassFeature |
Adds NomLex based features.
|
ParseHeadWordPOS |
Extracts the head word and POS tag of the constituent.
|
ParseLabelIdentifier |
This abstract feature extractor checks if the constituent's label in the
parse tree satisfies some property.
|
ParsePath |
Given two constituents, this feature extractor extracts the following
features:
The path in the parse tree from the one constituent to another
The length of the parse path
|
ParsePhraseType |
Extracts the label of the phrase and that of its parent along with the head
word of the parent according to the Collins' head percolation rules.
|
ParseSiblings |
Extracts the phrase type, head word and head POS of the left and right
siblings of the input constituent.
|
RogetThesaurusFeatures | |
SpanFeaturesOrdered | |
SpanFeaturesUnordered | |
SpanLengthFeature | |
SubcategorizationFrame |
Given a constituent, this feature finds the corresponding node in the parse
tree and reports expands its parent.
|
SyntacticFrame |
This feature is described in Xue and Palmer 2004.
|
VerbVoiceIndicator |
Uses the parse tree to figure out whether a verb is an active or a passive
voice.
|
WordFeatureExtractorFactory | |
WordNetFeatureExtractor |
This feature extractor generates the following WordNet based features from a
word: synonyms, synsets, hypernyms, hypernym-sets.
|
Enum | Description |
---|---|
WordNetFeatureExtractor.WordNetFeatureClass |
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