cat.lump.ir.sim.cl.len

Class LengthFactors

java.lang.Object

cat.lump.ir.sim.cl.len.LengthFactors

public class LengthFactors
extends java.lang.Object

It includes the default values for a bunch of language pairs, namely:

• cz-en
• de-en
• en-cz
• en-de
• en-es
• en-fr
• en-ru
• es-en
• fr-en
• ru-en

The parameters were estimated by txell on different corpora, including:

• commoncrawl.wmt2013
• CzEng.v1.0
• el_periodico
• europarl.v6
• europarl.v7
• FAUST_D4.2
• French_treebank
• newscommentary.v8
• news.shuffled.en.conll.gz
• news.shuffled.fr.conll.gz
• patents
• Romanian_treebank
• UNdoc.2000
• wiki-titles.ru-en
• wmt10
• wmt10.select

Author:

albarron

Constructor Summary

Constructors

Constructor and Description
LengthFactors()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String[]	getAvailablePairs() Retrieve the set of language pairs for which default parameters are available.
static double	getMean(java.lang.String langpair) Get the mean for the desired pair.
static double	getMean(java.lang.String src, java.lang.String trg) Get the mean for the desired pair.
static double	getSD(java.lang.String langpair) Get the standard deviation for the desired pair.
static double	getSD(java.lang.String src, java.lang.String trg) Get the standard deviation for the desired pair.
static java.lang.Boolean	hasPair(java.lang.String langpair) Check whether parameters for the desired language pair are available

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LengthFactors

public LengthFactors()

Method Detail

getMean

public static double getMean(java.lang.String src,
             java.lang.String trg)

Get the mean for the desired pair.

Parameters:

src - source language

trg - target language

Returns:

mean(src-->trg); -1 if the pair is not available

getMean

public static double getMean(java.lang.String langpair)

Get the mean for the desired pair.

Parameters:

langpair - src-target languages

Returns:

mean(src-->trg); -1 if the pair is not available

getSD

public static double getSD(java.lang.String src,
           java.lang.String trg)

Get the standard deviation for the desired pair.

Parameters:

src - source language

trg - target language

Returns:

sd(src-->trg) -1 if the pair is not available

getSD

public static double getSD(java.lang.String langpair)

Get the standard deviation for the desired pair.

Parameters:

lang-pair - source-target languages

Returns:

sd(src-->trg) -1 if the pair is not available

getAvailablePairs

public static java.lang.String[] getAvailablePairs()

Retrieve the set of language pairs for which default parameters are available.

Returns:

An array with the pairs

hasPair

public static java.lang.Boolean hasPair(java.lang.String langpair)

Check whether parameters for the desired language pair are available

Parameters:

langpair -

Returns:

true if the language pair is available