mosesdecoder/moses-cmd/src/LatticeMBR.h File Reference

#include <map>
#include <vector>
#include <set>
#include "Hypothesis.h"
#include "Manager.h"
#include "TrellisPathList.h"

Go to the source code of this file.

Classes
class	Edge
class	NgramScores
class	LatticeMBRSolution
struct	LatticeMBRSolutionComparator
Typedefs
typedef std::vector< const Hypothesis * >	Lattice
typedef std::vector< const Edge * >	Path
typedef std::map< Path, size_t >	PathCounts
typedef std::map< Phrase, PathCounts >	NgramHistory
Functions
void	pruneLatticeFB (Lattice &connectedHyp, std::map< const Hypothesis *, std::set< const Hypothesis * > > &outgoingHyps, std::map< const Hypothesis *, std::vector< Edge > > &incomingEdges, const std::vector< float > &estimatedScores, const Hypothesis *, size_t edgeDensity, float scale)
void	getLatticeMBRNBest (Manager &manager, TrellisPathList &nBestList, std::vector< LatticeMBRSolution > &solutions, size_t n)
void	calcNgramExpectations (Lattice &connectedHyp, std::map< const Hypothesis *, std::vector< Edge > > &incomingEdges, std::map< Phrase, float > &finalNgramScores, bool posteriors)
void	GetOutputFactors (const TrellisPath &path, std::vector< Word > &translation)
void	extract_ngrams (const std::vector< Word > &sentence, std::map< Phrase, int > &allngrams)
bool	ascendingCoverageCmp (const Hypothesis *a, const Hypothesis *b)
std::vector< Word >	doLatticeMBR (Manager &manager, TrellisPathList &nBestList)
const TrellisPath	doConsensusDecoding (Manager &manager, TrellisPathList &nBestList)

---

Typedef Documentation

typedef std::vector< const Hypothesis *> Lattice

Definition at line 24 of file LatticeMBR.h.

typedef std::map<Phrase, PathCounts > NgramHistory

Definition at line 29 of file LatticeMBR.h.

typedef std::vector<const Edge*> Path

Definition at line 27 of file LatticeMBR.h.

typedef std::map<Path, size_t> PathCounts

Definition at line 28 of file LatticeMBR.h.

---

Function Documentation

bool ascendingCoverageCmp	(	const Hypothesis *	a,
		const Hypothesis *	b
	)

Definition at line 494 of file LatticeMBR.cpp.

References Moses::WordsBitmap::GetNumWordsCovered(), and Moses::Hypothesis::GetWordsBitmap().

Referenced by calcNgramExpectations().

Here is the call graph for this function:

Here is the caller graph for this function:

void calcNgramExpectations	(	Lattice &	connectedHyp,
		std::map< const Hypothesis *, std::vector< Edge > > &	incomingEdges,
		std::map< Phrase, float > &	finalNgramScores,
		bool	posteriors
	)

const TrellisPath doConsensusDecoding	(	Manager &	manager,
		TrellisPathList &	nBestList
	)

Definition at line 554 of file LatticeMBR.cpp.

References Moses::TrellisPathList::begin(), BLEU_ORDER, calcNgramExpectations(), Moses::TrellisPathList::end(), extract_ngrams(), Moses::Manager::GetBestHypothesis(), Moses::Manager::GetForwardBackwardSearchGraph(), Moses::StaticData::GetLatticeMBRPruningFactor(), Moses::StaticData::GetMBRScale(), GetOutputWords(), pruneLatticeFB(), SMOOTH, and VERBOSE.

Referenced by TranslationTask::Run().

Here is the call graph for this function:

Here is the caller graph for this function:

std::vector<Word> doLatticeMBR	(	Manager &	manager,
		TrellisPathList &	nBestList
	)

Definition at line 546 of file LatticeMBR.cpp.

References getLatticeMBRNBest().

Referenced by main(), and TranslationTask::Run().

Here is the call graph for this function:

Here is the caller graph for this function:

void extract_ngrams	(	const std::vector< Word > &	sentence,
		std::map< Phrase, int > &	allngrams
	)

void getLatticeMBRNBest	(	Manager &	manager,
		TrellisPathList &	nBestList,
		std::vector< LatticeMBRSolution > &	solutions,
		size_t	n
	)

void GetOutputFactors	(	const TrellisPath &	path,
		std::vector< Word > &	translation
	)

Referenced by doMBR().

Here is the caller graph for this function:

void pruneLatticeFB	(	Lattice &	connectedHyp,
		std::map< const Hypothesis *, std::set< const Hypothesis * > > &	outgoingHyps,
		std::map< const Hypothesis *, std::vector< Edge > > &	incomingEdges,
		const std::vector< float > &	estimatedScores,
		const Hypothesis *	,
		size_t	edgeDensity,
		float	scale
	)