joshua.metrics.BLEU Class Reference

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List of all members.

Classes
enum	EffectiveLengthMethod
Public Member Functions
	BLEU ()
	BLEU (String[] BLEU_options)
	BLEU (int mxGrmLn, String methodStr)
double	bestPossibleScore ()
double	worstPossibleScore ()
int[]	suffStats (String cand_str, int i)
void	set_prec_suffStats (int[] stats, String[] words, int i)
int	effLength (int candLength, int i)
double	score (int[] stats)
void	printDetailedScore_fromStats (int[] stats, boolean oneLiner)
HashMap< String, Integer >[]	getNgramCountsArray (String cand_str)
HashMap< String, Integer >[]	getNgramCountsArray (String[] words)
HashMap< String, Integer >	getNgramCountsAll (String cand_str)
HashMap< String, Integer >	getNgramCountsAll (String[] words)
Protected Member Functions
void	initialize ()
void	set_weightsArray ()
void	set_maxNgramCounts ()
int	wordCount (String cand_str)
Protected Attributes
int	maxGramLength
EffectiveLengthMethod	effLengthMethod
HashMap< String, Integer >[]	maxNgramCounts
int[][]	refWordCount
double[]	weights
Static Private Attributes
static final Logger	logger = Logger.getLogger(BLEU.class.getName())

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Constructor & Destructor Documentation

joshua.metrics.BLEU.BLEU

(

)

joshua.metrics.BLEU.BLEU

(

String[]

BLEU_options

)

joshua.metrics.BLEU.BLEU	(	int	mxGrmLn,
		String	methodStr
	)

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Member Function Documentation

double joshua.metrics.BLEU.bestPossibleScore

(

)

[virtual]

Implements joshua.metrics.EvaluationMetric.

Reimplemented in joshua.metrics.SourceBLEU.

int joshua.metrics.BLEU.effLength	(	int	candLength,
		int	i
	)

Reimplemented in joshua.metrics.Precis, joshua.metrics.MinimumChangeBLEU, and joshua.metrics.SourceBLEU.

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HashMap<String, Integer> joshua.metrics.BLEU.getNgramCountsAll

(

String

cand_str

)

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HashMap<String, Integer> joshua.metrics.BLEU.getNgramCountsAll

(

String[]

words

)

HashMap<String, Integer> [] joshua.metrics.BLEU.getNgramCountsArray

(

String

cand_str

)

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HashMap<String, Integer> [] joshua.metrics.BLEU.getNgramCountsArray

(

String[]

words

)

void joshua.metrics.BLEU.initialize

(

)

[protected, virtual]

Implements joshua.metrics.EvaluationMetric.

Reimplemented in joshua.metrics.Precis, joshua.metrics.GradeLevelBLEU, joshua.metrics.SourceBLEU, and joshua.metrics.MinimumChangeBLEU.

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void joshua.metrics.BLEU.printDetailedScore_fromStats	(	int[]	stats,
		boolean	oneLiner
	)		[virtual]

Implements joshua.metrics.EvaluationMetric.

Reimplemented in joshua.metrics.Precis, joshua.metrics.GradeLevelBLEU, joshua.metrics.MinimumChangeBLEU, and joshua.metrics.SourceBLEU.

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double joshua.metrics.BLEU.score

(

int[]

stats

)

[virtual]

Implements joshua.metrics.EvaluationMetric.

Reimplemented in joshua.metrics.Precis, joshua.metrics.GradeLevelBLEU, and joshua.metrics.MinimumChangeBLEU.

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void joshua.metrics.BLEU.set_maxNgramCounts

(

)

[protected]

Reimplemented in joshua.metrics.Precis, joshua.metrics.SourceBLEU, and joshua.metrics.MinimumChangeBLEU.

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void joshua.metrics.BLEU.set_prec_suffStats	(	int[]	stats,
		String[]	words,
		int	i
	)

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void joshua.metrics.BLEU.set_weightsArray

(

)

[protected]

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int [] joshua.metrics.BLEU.suffStats	(	String	cand_str,
		int	i
	)		[virtual]

Implements joshua.metrics.EvaluationMetric.

Reimplemented in joshua.metrics.Precis, joshua.metrics.MinimumChangeBLEU, joshua.metrics.SourceBLEU, joshua.metrics.GradeLevelBLEU, and joshua.metrics.BLEU_SBP.

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int joshua.metrics.BLEU.wordCount

(

String

cand_str

)

[protected]

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double joshua.metrics.BLEU.worstPossibleScore

(

)

[virtual]

Implements joshua.metrics.EvaluationMetric.

Reimplemented in joshua.metrics.SourceBLEU.

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Member Data Documentation

EffectiveLengthMethod joshua.metrics.BLEU.effLengthMethod [protected]

final Logger joshua.metrics.BLEU.logger = Logger.getLogger(BLEU.class.getName()) [static, private]

Reimplemented in joshua.metrics.SourceBLEU, joshua.metrics.GradeLevelBLEU, joshua.metrics.Precis, and joshua.metrics.MinimumChangeBLEU.

int joshua.metrics.BLEU.maxGramLength [protected]

HashMap<String, Integer> [] joshua.metrics.BLEU.maxNgramCounts [protected]

int [][] joshua.metrics.BLEU.refWordCount [protected]

double [] joshua.metrics.BLEU.weights [protected]