Analyzer responsible for converting a parser state to a feature_vector. More...

#include <state_analyzer.h>

Public Member Functions
feature_vector	featurize (const state &state) const
	Maps a state to its feature vector representation.

Private Member Functions
void	unigram_featurize (const state &state, feature_vector &feats) const
	Adds unigram features. More...

void	bigram_featurize (const state &state, feature_vector &feats) const
	Adds bigram features. More...

void	trigram_featurize (const state &state, feature_vector &feats) const
	Adds trigram features. More...

void	children_featurize (const state &state, feature_vector &feats) const
	Adds children features. More...

void	dependents_featurize (const state &state, feature_vector &feats) const
	Adds dependent features. More...

void	unigram_stack_feats (const node *n, std::string prefix, feature_vector &feats) const
	Adds unigram features from the parser stack. More...

void	bigram_features (const node n1, std::string name1, const node n2, std::string name2, feature_vector &feats) const
	Adds bigram features to the feature vector. More...

void	child_feats (const node *n, std::string prefix, feature_vector &feats, bool doubs) const
	Adds child features to the feature vector. More...

Detailed Description

Analyzer responsible for converting a parser state to a feature_vector.

Member Function Documentation

void meta::parser::sr_parser::state_analyzer::unigram_featurize	(	const state &	state,
		feature_vector &	feats
	)		const

private

Adds unigram features.

Parameters

state	The current parser state
feats	The feature vector to put features in

void meta::parser::sr_parser::state_analyzer::bigram_featurize	(	const state &	state,
		feature_vector &	feats
	)		const

private

Adds bigram features.

Parameters

state	The current parser state
feats	The feature vector to put features in

void meta::parser::sr_parser::state_analyzer::trigram_featurize	(	const state &	state,
		feature_vector &	feats
	)		const

private

Adds trigram features.

Parameters

state	The current parser state
feats	The feature vector to put features in

void meta::parser::sr_parser::state_analyzer::children_featurize	(	const state &	state,
		feature_vector &	feats
	)		const

private

Adds children features.

Parameters

state	The current parser state
feats	The feature vector to put features in

void meta::parser::sr_parser::state_analyzer::dependents_featurize	(	const state &	state,
		feature_vector &	feats
	)		const

private

Adds dependent features.

Parameters

state	The current parser state
feats	The feature vector to put features in

void meta::parser::sr_parser::state_analyzer::unigram_stack_feats	(	const node *	n,
		std::string	prefix,
		feature_vector &	feats
	)		const

private

Adds unigram features from the parser stack.

Parameters

n	The node from the stack
prefix	The feature name prefix
feats	The feature vector to put features in

void meta::parser::sr_parser::state_analyzer::bigram_features	(	const node *	n1,
		std::string	name1,
		const node *	n2,
		std::string	name2,
		feature_vector &	feats
	)		const

private

Adds bigram features to the feature vector.

Parameters

n1	The first node
name1	The feature name prefix for the first node
n2	The second node
name2	The feature name prefix of the second node
feats	The feature vector put features in

void meta::parser::sr_parser::state_analyzer::child_feats	(	const node *	n,
		std::string	prefix,
		feature_vector &	feats,
		bool	doubs
	)		const

private

Adds child features to the feature vector.

Parameters

n	The node to add child features for
prefix	The feature name prefix
feats	The feature vector to put features in
doubs	Whether or not to add features for children two steps down

The documentation for this class was generated from the following files:

/home/chase/projects/meta/include/parser/state_analyzer.h
/home/chase/projects/meta/src/parser/state_analyzer.cpp

Public Member Functions

Private Member Functions

Detailed Description

Member Function Documentation