POS_tagger Class Reference

The class POS_tagger is just an abstract class generalizing a PoS tagger. More...

#include <tagger.h>

Inheritance diagram for POS_tagger:

Collaboration diagram for POS_tagger:

List of all members.

Public Member Functions
	POS_tagger (bool, unsigned int)
	Create an instance of the class, initializing options member.
virtual	~POS_tagger ()
virtual void	annotate (sentence &)=0
	Do actual disambiguation.
void	analyze (sentence &)
	analyze given sentence
void	analyze (std::list< sentence > &)
	analyze given sentences
sentence	analyze (const sentence &)
	analyze sentence, return analyzed copy
std::list< sentence >	analyze (const std::list< sentence > &)
	analyze sentences, return analyzed copy
Protected Member Functions
void	retokenize (sentence &)
	Look for words whose selected tag has retokenizing rules, and retokenize them appropriately.
void	force_select (sentence &)
	Look for words with remaining ambiguity and force the selection of only one Pos tag.
Protected Attributes
bool	retok
unsigned int	force

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Detailed Description

The class POS_tagger is just an abstract class generalizing a PoS tagger.

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Constructor & Destructor Documentation

POS_tagger::POS_tagger	(	bool	r,
		unsigned int	f
	)

Create an instance of the class, initializing options member.

Since tagger is an abstract class, this is called always from child constructors.

virtual POS_tagger::~POS_tagger

(

)

[inline, virtual]

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Member Function Documentation

void POS_tagger::analyze

(

sentence &

s

)

[virtual]

analyze given sentence

Disambiguate all words in given sentence.

Implements processor.

References annotate(), ERROR_CRASH, force, FORCE_RETOK, force_select(), FORCE_TAGGER, retok, and retokenize().

Referenced by analyze().

void POS_tagger::analyze

(

std::list< sentence > &

ls

)

analyze given sentences

Disambiguate all words in given sentences.

Reimplemented from processor.

References analyze().

sentence POS_tagger::analyze

(

const sentence &

s

)

analyze sentence, return analyzed copy

Disambiguate given sentence, return analyzed copy.

Reimplemented from processor.

References analyze().

std::list< sentence > POS_tagger::analyze

(

const std::list< sentence > &

ls

)

analyze sentences, return analyzed copy

Disambiguate given sentences, return analyzed copy.

Reimplemented from processor.

References analyze().

virtual void POS_tagger::annotate

(

sentence &

)

[pure virtual]

Do actual disambiguation.

Implemented in hmm_tagger, and relax_tagger.

Referenced by analyze().

void POS_tagger::force_select

(

sentence &

se

)

[protected]

Look for words with remaining ambiguity and force the selection of only one Pos tag.

References TRACE, and TRACE_SENTENCE.

Referenced by analyze().

void POS_tagger::retokenize

(

sentence &

se

)

[protected]

Look for words whose selected tag has retokenizing rules, and retokenize them appropriately.

References util::int2wstring(), sentence::rebuild_word_index(), TRACE, and TRACE_SENTENCE.

Referenced by analyze().

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Member Data Documentation

unsigned int POS_tagger::force [protected]

Referenced by analyze().

bool POS_tagger::retok [protected]

Referenced by analyze().

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

• tagger.h
• tagger.cc