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tuned on urdu baselines (hiero) devtest, test on mt09
hdt: single pass (no pruning of -LM forest). these weights were used for the
final +LM rescoring in all cases. (tune BLEU 22.2)
2pass-hdt: 1st pass weights same as final weights (bad) (tune BLEU ???)
2pass-hdt0: 1st pass weights tuned without any lm (same final weights as hdt). (tune BLEU 14.7)
2pass-hdt1: 1st pass weights tuned with unigram lm (same final). (tune BLEU 16.2)
data files / graphs: 2nd column is BLEU
2pass-hdt - first column is beam alpha scaled per source word.
times.2pass-hdt - first column is +LM rescoring time
space.2pass-hdt - first column is portion of -LM forest edges kept
It would be nice to graph these with the same scale, or preferably as 3 lines in
the same graph.
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