Moses::ChartHypothesis Class Reference

#include <ChartHypothesis.h>

Collaboration diagram for Moses::ChartHypothesis:

List of all members.

Public Member Functions

ChartHypothesis (const ChartTranslationOptions &, const RuleCubeItem &item, ChartManager &manager)

ChartHypothesis (const ChartHypothesis &, const ChartKBestExtractor &)

only used by ChartKBestExtractor

~ChartHypothesis ()

unsigned GetId () const

const ChartTranslationOption & GetTranslationOption () const

const TargetPhrase & GetCurrTargetPhrase () const

Get the rule that created this hypothesis.

const Range & GetCurrSourceRange () const

the source range that this hypothesis spans

const ChartArcList * GetArcList () const

the arc list when creating n-best lists

const FFState * GetFFState (size_t featureID) const

the feature function states for a particular feature

const ChartManager & GetManager () const

reference back to the manager

void GetOutputPhrase (Phrase &outPhrase) const

Phrase GetOutputPhrase () const

void GetOutputPhrase (size_t leftRightMost, size_t numWords, Phrase &outPhrase) const

void EvaluateWhenApplied ()

void AddArc (ChartHypothesis *loserHypo)

void CleanupArcList ()

void SetWinningHypo (const ChartHypothesis *hypo)

const ScoreComponentCollection & GetScoreBreakdown () const

get the unweighted score for each feature function

const ScoreComponentCollection & GetDeltaScoreBreakdown () const

get the unweighted score delta for each feature function

float GetFutureScore () const

Get the weighted total score.

const std::vector< const
ChartHypothesis * > & GetPrevHypos () const

vector of previous hypotheses this hypo is built on

const ChartHypothesis * GetPrevHypo (size_t pos) const

get a particular previous hypos

const Word & GetTargetLHS () const

get the constituency label that covers this hypo

const ChartHypothesis * GetWinningHypothesis () const

get the best hypo in the arc list when doing n-best list creation. It's either this hypothesis, or the best hypo is this hypo is in the arc list

size_t hash () const

bool operator== (const ChartHypothesis &other) const

TO_STRING ()

Protected Member Functions

ChartHypothesis ()

not implemented

ChartHypothesis (const ChartHypothesis &copy)

not implemented

Protected Attributes

boost::shared_ptr
< ChartTranslationOption > m_transOpt

Range m_currSourceWordsRange

std::vector< const FFState * > m_ffStates

boost::scoped_ptr
< ScoreComponentCollection > m_scoreBreakdown

boost::scoped_ptr
< ScoreComponentCollection > m_deltaScoreBreakdown

ScoreComponentCollection m_currScoreBreakdown

ScoreComponentCollection m_lmNGram

ScoreComponentCollection m_lmPrefix

float m_totalScore

ChartArcList * m_arcList

const ChartHypothesis * m_winningHypo

std::vector< const
ChartHypothesis * > m_prevHypos

ChartManager & m_manager

unsigned m_id

Friends

std::ostream & operator<< (std::ostream &, const ChartHypothesis &)

Detailed Description

a hypothesis in the hierarchical/syntax decoder. Contain a pointer to the current target phrase, a vector of previous hypos, and some scores

Definition at line 46 of file ChartHypothesis.h.

Constructor & Destructor Documentation

Moses::ChartHypothesis::ChartHypothesis ( ) [protected]

not implemented

Moses::ChartHypothesis::ChartHypothesis ( const ChartHypothesis & copy ) [protected]

not implemented

Moses::ChartHypothesis::ChartHypothesis	(	const ChartTranslationOptions &	transOpt,
		const RuleCubeItem &	item,
		ChartManager &	manager
	)

Create a hypothesis from a rule

Parameters:

	transOpt	wrapper around the rule
	item

Todo:: dunno

Parameters:

manager

reference back to manager

Definition at line 45 of file ChartHypothesis.cpp.

References Moses::RuleCubeItem::GetHypothesisDimensions(), and m_prevHypos.

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Moses::ChartHypothesis::ChartHypothesis	(	const ChartHypothesis &	pred,
		const ChartKBestExtractor &
	)

only used by ChartKBestExtractor

Definition at line 67 of file ChartHypothesis.cpp.

References m_prevHypos.

Moses::ChartHypothesis::~ChartHypothesis ( )

Definition at line 80 of file ChartHypothesis.cpp.

References m_arcList, and m_ffStates.

Member Function Documentation

void Moses::ChartHypothesis::AddArc ( ChartHypothesis * loserHypo )

Definition at line 214 of file ChartHypothesis.cpp.

References m_arcList.

Referenced by Moses::ChartHypothesisCollection::AddHypothesis().

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void Moses::ChartHypothesis::CleanupArcList ( )

Definition at line 248 of file ChartHypothesis.cpp.

References Moses::MBR_Options::enabled, Moses::StaticData::Instance(), m_arcList, m_winningHypo, Moses::AllOptions::mbr, Moses::AllOptions::nbest, Moses::NBestOptions::nbest_size, Moses::ReportingOptions::NeedSearchGraph(), NTH_ELEMENT4, Moses::NBestOptions::only_distinct, Moses::StaticData::options(), Moses::AllOptions::output, Moses::ReportingOptions::SearchGraphHG, and SetWinningHypo().

Referenced by Moses::ChartHypothesisCollection::CleanupArcList().

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void Moses::ChartHypothesis::EvaluateWhenApplied ( )

calculate total score

Definition at line 181 of file ChartHypothesis.cpp.

References GetFutureScore(), Moses::ChartTranslationOption::GetScores(), Moses::StatefulFeatureFunction::GetStatefulFeatureFunctions(), Moses::StatelessFeatureFunction::GetStatelessFeatureFunctions(), GetTranslationOption(), Moses::ScoreComponentCollection::GetWeightedScore(), Moses::StaticData::Instance(), Moses::StaticData::IsFeatureFunctionIgnored(), m_currScoreBreakdown, m_ffStates, m_prevHypos, and m_totalScore.

Referenced by Moses::ChartManager::AddXmlChartOptions(), and Moses::RuleCubeItem::CreateHypothesis().

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const ChartArcList* Moses::ChartHypothesis::GetArcList ( ) const [inline]

the arc list when creating n-best lists

Definition at line 108 of file ChartHypothesis.h.

References m_arcList.

const Range& Moses::ChartHypothesis::GetCurrSourceRange ( ) const [inline]

the source range that this hypothesis spans

Definition at line 103 of file ChartHypothesis.h.

References m_currSourceWordsRange.

Referenced by Moses::SparseHieroReorderingFeature::EvaluateWhenApplied(), Moses::ConstrainedDecoding::EvaluateWhenApplied(), Moses::BleuScoreFeature::EvaluateWhenApplied(), Moses::LanguageModelChartState::hash(), Moses::LanguageModelChartState::operator==(), Moses::PhraseOrientationFeature::SparseWordL2RScore(), Moses::PhraseOrientationFeature::SparseWordR2LScore(), and Moses::TargetNgramChartState::TargetNgramChartState().

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const TargetPhrase& Moses::ChartHypothesis::GetCurrTargetPhrase ( ) const [inline]

Get the rule that created this hypothesis.

Definition at line 98 of file ChartHypothesis.h.

References m_transOpt.

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const ScoreComponentCollection& Moses::ChartHypothesis::GetDeltaScoreBreakdown ( ) const [inline]

get the unweighted score delta for each feature function

Definition at line 155 of file ChartHypothesis.h.

References GetTranslationOption(), m_currScoreBreakdown, m_deltaScoreBreakdown, and m_transOpt.

Referenced by Moses::ChartKBestExtractor::GetOutputScoreBreakdown().

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const FFState* Moses::ChartHypothesis::GetFFState ( size_t featureID ) const [inline]

the feature function states for a particular feature

Parameters:

featureID

Definition at line 113 of file ChartHypothesis.h.

References m_ffStates.

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float Moses::ChartHypothesis::GetFutureScore ( ) const [inline]

Get the weighted total score.

Definition at line 170 of file ChartHypothesis.h.

References m_totalScore.

Referenced by Moses::ChartHypothesisCollection::Add(), Moses::ChartHypothesisCollection::AddHypothesis(), Moses::RuleCubeItem::CreateHypothesis(), EvaluateWhenApplied(), Moses::ChartKBestExtractor::Extract(), Moses::ChartCell::GetBestHypothesis(), Moses::ChartHypothesisScoreOrderer::operator()(), Moses::CompareChartHypothesisTotalScore::operator()(), and Moses::ChartHypothesisCollection::PruneToSize().

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unsigned Moses::ChartHypothesis::GetId ( ) const [inline]

Definition at line 89 of file ChartHypothesis.h.

References m_id.

Referenced by Moses::ChartHypothesisCollection::AddHypothesis(), Moses::operator<<(), and Moses::ChartHypothesisCollection::PruneToSize().

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const ChartManager& Moses::ChartHypothesis::GetManager ( ) const [inline]

reference back to the manager

Definition at line 118 of file ChartHypothesis.h.

References m_manager.

Referenced by Moses::BilingualLM::EvaluateWhenApplied(), Moses::SparseHieroReorderingFeature::EvaluateWhenApplied(), Moses::ConstrainedDecoding::EvaluateWhenApplied(), Moses::LanguageModelChartState::hash(), Moses::LanguageModelChartState::operator==(), Moses::PhraseOrientationFeature::SparseWordL2RScore(), Moses::PhraseOrientationFeature::SparseWordR2LScore(), and Moses::TargetNgramChartState::TargetNgramChartState().

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void Moses::ChartHypothesis::GetOutputPhrase	(	size_t	leftRightMost,
		size_t	numWords,
		Phrase &	outPhrase
	)			const

TODO: this method isn't used anywhere. Remove?

Definition at line 148 of file ChartHypothesis.cpp.

References Moses::Phrase::AddWord(), Moses::TargetPhrase::GetAlignNonTerm(), GetCurrTargetPhrase(), Moses::AlignmentInfo::GetNonTermIndexMap(), GetOutputPhrase(), Moses::Phrase::GetSize(), Moses::Phrase::GetWord(), Moses::Word::IsNonTerminal(), and m_prevHypos.

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Phrase Moses::ChartHypothesis::GetOutputPhrase ( ) const

Return full output phrase

Definition at line 140 of file ChartHypothesis.cpp.

References Moses::ARRAY_SIZE_INCR.

void Moses::ChartHypothesis::GetOutputPhrase ( Phrase & outPhrase ) const

Create full output phrase that is contained in the hypothesis (and its children)

Parameters:

outPhrase

full output phrase as return argument

Definition at line 103 of file ChartHypothesis.cpp.

References Moses::Phrase::AddWord(), Moses::Phrase::Back(), Moses::AlignmentInfo::GetAlignmentsForTarget(), Moses::TargetPhrase::GetAlignNonTerm(), Moses::TargetPhrase::GetAlignTerm(), GetCurrTargetPhrase(), Moses::Word::GetFactor(), Moses::AlignmentInfo::GetNonTermIndexMap(), GetOutputPhrase(), Moses::Phrase::GetSize(), Moses::ChartTranslationOption::GetSourceRuleFromInputPath(), GetTranslationOption(), Moses::Phrase::GetWord(), Moses::StaticData::Instance(), Moses::Word::IsNonTerminal(), m_prevHypos, NOT_FOUND, NULL, Moses::StaticData::options(), and UTIL_THROW_IF2.

Referenced by Moses::ConstrainedDecodingState::ConstrainedDecodingState(), Moses::ControlRecombinationState::ControlRecombinationState(), Moses::BleuScoreFeature::EvaluateWhenApplied(), and GetOutputPhrase().

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const ChartHypothesis* Moses::ChartHypothesis::GetPrevHypo ( size_t pos ) const [inline]

get a particular previous hypos

Definition at line 181 of file ChartHypothesis.h.

References m_prevHypos.

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const std::vector<const ChartHypothesis*>& Moses::ChartHypothesis::GetPrevHypos ( ) const [inline]

vector of previous hypotheses this hypo is built on

Definition at line 176 of file ChartHypothesis.h.

References m_prevHypos.

Referenced by Moses::BilingualLM::EvaluateWhenApplied(), Moses::SparseHieroReorderingFeature::EvaluateWhenApplied(), Moses::BleuScoreFeature::EvaluateWhenApplied(), Moses::LanguageModelChartState::LanguageModelChartState(), and Moses::TargetNgramChartState::TargetNgramChartState().

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const ScoreComponentCollection& Moses::ChartHypothesis::GetScoreBreakdown ( ) const [inline]

get the unweighted score for each feature function

Definition at line 136 of file ChartHypothesis.h.

References GetScoreBreakdown(), GetTranslationOption(), m_currScoreBreakdown, m_prevHypos, m_scoreBreakdown, and m_transOpt.

Referenced by Moses::BilingualLM::EvaluateWhenApplied(), and GetScoreBreakdown().

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const Word& Moses::ChartHypothesis::GetTargetLHS ( ) const [inline]

get the constituency label that covers this hypo

Definition at line 186 of file ChartHypothesis.h.

References GetCurrTargetPhrase(), and Moses::TargetPhrase::GetTargetLHS().

Referenced by Moses::ChartCell::AddHypothesis(), and Moses::SoftMatchingFeature::EvaluateWhenApplied().

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const ChartTranslationOption& Moses::ChartHypothesis::GetTranslationOption ( ) const [inline]

Definition at line 93 of file ChartHypothesis.h.

References m_transOpt.

Referenced by Moses::LanguageModelKen< Model >::EvaluateWhenApplied(), Moses::LanguageModelImplementation::EvaluateWhenApplied(), Moses::LanguageModelDALM::EvaluateWhenApplied(), EvaluateWhenApplied(), GetDeltaScoreBreakdown(), Moses::ChartKBestExtractor::GetOutputPhrase(), GetOutputPhrase(), and GetScoreBreakdown().

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const ChartHypothesis* Moses::ChartHypothesis::GetWinningHypothesis ( ) const [inline]

get the best hypo in the arc list when doing n-best list creation. It's either this hypothesis, or the best hypo is this hypo is in the arc list

Definition at line 191 of file ChartHypothesis.h.

References m_winningHypo.

size_t Moses::ChartHypothesis::hash ( ) const

Definition at line 298 of file ChartHypothesis.cpp.

References Moses::FFState::hash(), m_ffStates, and state.

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bool Moses::ChartHypothesis::operator== ( const ChartHypothesis & other ) const

Definition at line 312 of file ChartHypothesis.cpp.

References m_ffStates.

void Moses::ChartHypothesis::SetWinningHypo ( const ChartHypothesis * hypo )

Definition at line 293 of file ChartHypothesis.cpp.

References m_winningHypo.

Referenced by CleanupArcList().

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Moses::ChartHypothesis::TO_STRING ( )

Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	out,
		const ChartHypothesis &	hypo
	)			`[friend]`

Definition at line 328 of file ChartHypothesis.cpp.

Member Data Documentation

ChartArcList* Moses::ChartHypothesis::m_arcList [protected]

Definition at line 65 of file ChartHypothesis.h.

Referenced by AddArc(), CleanupArcList(), GetArcList(), and ~ChartHypothesis().

ScoreComponentCollection Moses::ChartHypothesis::m_currScoreBreakdown [protected]

scores for this hypothesis only

Definition at line 61 of file ChartHypothesis.h.

Referenced by EvaluateWhenApplied(), GetDeltaScoreBreakdown(), and GetScoreBreakdown().

Range Moses::ChartHypothesis::m_currSourceWordsRange [protected]

Definition at line 55 of file ChartHypothesis.h.

Referenced by GetCurrSourceRange().

boost::scoped_ptr<ScoreComponentCollection> Moses::ChartHypothesis::m_deltaScoreBreakdown [mutable, protected]

Definition at line 59 of file ChartHypothesis.h.

Referenced by GetDeltaScoreBreakdown().

std::vector<const FFState*> Moses::ChartHypothesis::m_ffStates [protected]

Definition at line 56 of file ChartHypothesis.h.

Referenced by EvaluateWhenApplied(), GetFFState(), hash(), operator==(), and ~ChartHypothesis().

unsigned Moses::ChartHypothesis::m_id [protected]

Definition at line 72 of file ChartHypothesis.h.

Referenced by GetId().

ScoreComponentCollection Moses::ChartHypothesis::m_lmNGram [protected]

Definition at line 61 of file ChartHypothesis.h.

ScoreComponentCollection Moses::ChartHypothesis::m_lmPrefix [protected]

Definition at line 61 of file ChartHypothesis.h.

ChartManager& Moses::ChartHypothesis::m_manager [protected]

Definition at line 70 of file ChartHypothesis.h.

Referenced by GetManager().

std::vector<const ChartHypothesis*> Moses::ChartHypothesis::m_prevHypos [protected]

Definition at line 68 of file ChartHypothesis.h.

Referenced by ChartHypothesis(), EvaluateWhenApplied(), GetOutputPhrase(), GetPrevHypo(), GetPrevHypos(), and GetScoreBreakdown().

boost::scoped_ptr<ScoreComponentCollection> Moses::ChartHypothesis::m_scoreBreakdown [mutable, protected]

stateful feature function states

sum of scores of this hypothesis, and previous hypotheses. Lazily initialised.

Definition at line 58 of file ChartHypothesis.h.

Referenced by GetScoreBreakdown().

float Moses::ChartHypothesis::m_totalScore [protected]

Definition at line 63 of file ChartHypothesis.h.

Referenced by EvaluateWhenApplied(), and GetFutureScore().

boost::shared_ptr<ChartTranslationOption> Moses::ChartHypothesis::m_transOpt [protected]

Definition at line 53 of file ChartHypothesis.h.

Referenced by GetCurrTargetPhrase(), GetDeltaScoreBreakdown(), GetScoreBreakdown(), and GetTranslationOption().

const ChartHypothesis* Moses::ChartHypothesis::m_winningHypo [protected]

all arcs that end at the same trellis point as this hypothesis

Definition at line 66 of file ChartHypothesis.h.

Referenced by CleanupArcList(), GetWinningHypothesis(), and SetWinningHypo().

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

/disk4/html/www/moses/doxygen/mosesdecoder/moses/ChartHypothesis.h
/disk4/html/www/moses/doxygen/mosesdecoder/moses/ChartHypothesis.cpp


Public Member Functions
	ChartHypothesis (const ChartTranslationOptions &, const RuleCubeItem &item, ChartManager &manager)
	ChartHypothesis (const ChartHypothesis &, const ChartKBestExtractor &)
	only used by ChartKBestExtractor
	~ChartHypothesis ()
unsigned	GetId () const
const ChartTranslationOption &	GetTranslationOption () const
const TargetPhrase &	GetCurrTargetPhrase () const
	Get the rule that created this hypothesis.
const Range &	GetCurrSourceRange () const
	the source range that this hypothesis spans
const ChartArcList *	GetArcList () const
	the arc list when creating n-best lists
const FFState *	GetFFState (size_t featureID) const
	the feature function states for a particular feature
const ChartManager &	GetManager () const
	reference back to the manager
void	GetOutputPhrase (Phrase &outPhrase) const
Phrase	GetOutputPhrase () const
void	GetOutputPhrase (size_t leftRightMost, size_t numWords, Phrase &outPhrase) const
void	EvaluateWhenApplied ()
void	AddArc (ChartHypothesis *loserHypo)
void	CleanupArcList ()
void	SetWinningHypo (const ChartHypothesis *hypo)
const ScoreComponentCollection &	GetScoreBreakdown () const
	get the unweighted score for each feature function
const ScoreComponentCollection &	GetDeltaScoreBreakdown () const
	get the unweighted score delta for each feature function
float	GetFutureScore () const
	Get the weighted total score.
const std::vector< const ChartHypothesis * > &	GetPrevHypos () const
	vector of previous hypotheses this hypo is built on
const ChartHypothesis *	GetPrevHypo (size_t pos) const
	get a particular previous hypos
const Word &	GetTargetLHS () const
	get the constituency label that covers this hypo
const ChartHypothesis *	GetWinningHypothesis () const
	get the best hypo in the arc list when doing n-best list creation. It's either this hypothesis, or the best hypo is this hypo is in the arc list
size_t	hash () const
bool	operator== (const ChartHypothesis &other) const
	TO_STRING ()
Protected Member Functions
	ChartHypothesis ()
	not implemented
	ChartHypothesis (const ChartHypothesis &copy)
	not implemented
Protected Attributes
boost::shared_ptr < ChartTranslationOption >	m_transOpt
Range	m_currSourceWordsRange
std::vector< const FFState * >	m_ffStates
boost::scoped_ptr < ScoreComponentCollection >	m_scoreBreakdown
boost::scoped_ptr < ScoreComponentCollection >	m_deltaScoreBreakdown
ScoreComponentCollection	m_currScoreBreakdown
ScoreComponentCollection	m_lmNGram
ScoreComponentCollection	m_lmPrefix
float	m_totalScore
ChartArcList *	m_arcList
const ChartHypothesis *	m_winningHypo
std::vector< const ChartHypothesis * >	m_prevHypos
ChartManager &	m_manager
unsigned	m_id
Friends
std::ostream &	operator<< (std::ostream &, const ChartHypothesis &)