Hi,
With help of Moses, I have built a English-Persian SMT. In comparison with
Google translate, my BLEU score is less than the Google translator whereas
P1, P2,P3 and P4 of my system is more than the Google translate. BP
(brevity penalty) of Goolge translate is always 1 whereas my BP is .6
or .7. I have some question about BLEU score:
1- Why my SMT generates short sentences? (Note that: P1,P2,P3 and P4 is so
good )
2- Why Google translate has BP=1 (I have tested is several English-Persin
datasts)?
3- Any body knows about ref_len , Hypo_leb and rate that come with BP and
BLEU score in out of multi_bleu.perl,
tnx an advance,
--
S.Farzi, Ph.D. Student
Natural Language Processing lab,
School of Electrical and Computer Eng,
Tehran University
Tel: +9821-6111-9719
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