Hi Tomek
Yes, that's quite a low score. Have a look at the translation output, do
the sentences have lots of English words in them, are they very long,
very short, or scrambled in some other way?
The commonest problem is that something went wrong in corpus
preparation, for example the corpora weren't correctly aligned, some
parts got swapped around accidentally, they were not consistently
tokenised or truecased, etc.
Did you run tuning? , and if so double-check that you passed the correct
files (input and reference) to tuning,
cheers - Barry
On 07/09/15 08:15, Tomasz Gawryl wrote:
Hi All!
This is my first post here and AT first I want to apologize for my
English but I would like to ask you some questions. I finished a full
phrase based Moses training of EN-PL (English - Polish) corpus (few
million sentences from free sources + half million sentences from
commercial tmx). Training pipeline always ends with test translation
and BLEU score. I didn’t expect the first score around 30% but my
result 4.5% surprised me. Why my result is so bad? Is it a consequence
of chosen language pair? Polish language is very flexible – we can
interchange words in a sentence without losing sense. What should I do
to improve this result? Or maybe that’s all I can get ;).
Regards,
Tomek
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