hi pratyush
the 4th column contains alignment info if you had switched that option
in during training (can you please point out where in the manual it says
the 3rd & 4th are for alignment - i'll edit the manual. That was the old
file format)
the 5th column contains the count of the target and the source. It's not
used during decoding, but it's useful for debugging and i thought it
might be useful for other people.
On 27/05/2011 22:13, Pratyush Banerjee wrote:
Hi,
I have been trying to figure out the different fields in a standard
phrase table generated by Moses.
My phrase table trained on Europarl has line like the following:
richtigerweise ||| quite properly ||| 0.2 0.0013016 0.0333333
0.00361357 2.718 ||| ||| 5 30
richtigerweise ||| quite right to ||| 0.0238095 0.00123235 0.0333333
0.00409211 2.718 ||| ||| 42 30
richtigerweise ||| quite right ||| 0.00716846 0.00123235 0.0666667
0.0216814 2.718 ||| ||| 279 30
richtigerweise ||| quite rightly , ||| 0.0416667 0.0062868 0.0333333
0.00641196 2.718 ||| ||| 24 30
richtigerweise ||| quite rightly ||| 0.0222222 0.0062868 0.166667
0.0487831 2.718 ||| ||| 225 30
As per documentation in the Moses website i understand the first 3
fields are
Field 1: Source Phrase
Feild 2: Target Phrase
Field 3: scores (inverse phrase translation probability/, /inverse
lexical weighting, direct phrase translation probability /, /direct
lexical weighting/, /phrase penalty )
However what are the 4th and 5th fields here? Documentation says that
alignment could be the 3rd and 4th field in the phrase table.
Do they store the alignment information or is it the frequency of the
phrases in source and target corpus respectively?
It would be great if anybody could explain these fields or point me to
a place where the information is.
Thanks and Regards,
Pratyush
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