Moses::LanguageModelParallelBackoff Class Reference

#include <LanguageModelParallelBackoff.h>

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List of all members.

Public Member Functions
	~LanguageModelParallelBackoff ()
bool	Load (const std::string &filePath, const std::vector< FactorType > &factorTypes, size_t nGramOrder)
VocabIndex	GetLmID (const std::string &str) const
VocabIndex	GetLmID (const Factor *factor, FactorType ft) const
void	CreateFactors ()
LMResult	GetValueForgotState (const std::vector< const Word * > &contextFactor, FFState &outState) const
const FFState *	GetNullContextState () const
const FFState *	GetBeginSentenceState () const
FFState *	NewState (const FFState *from) const

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Detailed Description

LM of multiple factors. A simple extension of single factor LM - factors backoff together. Rather slow as this uses string concatenation/split

Definition at line 62 of file LanguageModelParallelBackoff.h.

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Constructor & Destructor Documentation

Moses::LanguageModelParallelBackoff::~LanguageModelParallelBackoff

(

)

Definition at line 38 of file LanguageModelParallelBackoff.cpp.

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Member Function Documentation

void Moses::LanguageModelParallelBackoff::CreateFactors

(

)

Definition at line 155 of file LanguageModelParallelBackoff.cpp.

References Moses::FactorCollection::AddFactor(), BOS_, EOS_, Moses::Factor::GetId(), GetLmID(), Moses::FactorCollection::Instance(), Moses::LanguageModelImplementation::m_sentenceEndArray, Moses::LanguageModelImplementation::m_sentenceStartArray, and Moses::Output.

Referenced by Load().

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const FFState * Moses::LanguageModelParallelBackoff::GetBeginSentenceState

(

)

const [virtual]

Implements Moses::LanguageModelImplementation.

Definition at line 294 of file LanguageModelParallelBackoff.cpp.

VocabIndex Moses::LanguageModelParallelBackoff::GetLmID	(	const Factor *	factor,
		FactorType	ft
	)			const

Definition at line 143 of file LanguageModelParallelBackoff.cpp.

References Moses::Factor::GetId().

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VocabIndex Moses::LanguageModelParallelBackoff::GetLmID

(

const std::string &

str

)

const

Definition at line 138 of file LanguageModelParallelBackoff.cpp.

Referenced by CreateFactors(), and GetValueForgotState().

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const FFState * Moses::LanguageModelParallelBackoff::GetNullContextState

(

)

const [virtual]

Implements Moses::LanguageModelImplementation.

Definition at line 289 of file LanguageModelParallelBackoff.cpp.

LMResult Moses::LanguageModelParallelBackoff::GetValueForgotState	(	const std::vector< const Word * > &	contextFactor,
		FFState &	outState
	)			const [virtual]

Implements Moses::LanguageModelImplementation.

Definition at line 222 of file LanguageModelParallelBackoff.cpp.

References Moses::FloorScore(), GetLmID(), Moses::LanguageModelImplementation::m_sentenceEndArray, Moses::LanguageModelImplementation::m_sentenceStartArray, Moses::LMResult::score, Moses::TransformLMScore(), and Moses::LMResult::unknown.

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bool Moses::LanguageModelParallelBackoff::Load	(	const std::string &	filePath,
		const std::vector< FactorType > &	factorTypes,
		size_t	nGramOrder
	)			[virtual]

Implements Moses::LanguageModelMultiFactor.

Definition at line 44 of file LanguageModelParallelBackoff.cpp.

References CreateFactors(), Moses::LanguageModelMultiFactor::m_factorTypes, Moses::LanguageModelImplementation::m_filePath, and Moses::LanguageModelImplementation::m_nGramOrder.

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FFState * Moses::LanguageModelParallelBackoff::NewState

(

const FFState *

from

)

const [virtual]

Implements Moses::LanguageModelImplementation.

Definition at line 284 of file LanguageModelParallelBackoff.cpp.

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

• moses/src/LanguageModelParallelBackoff.h
• moses/src/LanguageModelParallelBackoff.cpp