An empty phrase-table.gz file is usually the result of an ill-prepared training corpus. Make sure you run the final corpus through clean-corpus-n.perl.


On 02/14/2015 09:19 PM, Александр Паньшин wrote:
Hello, everybody!

I have a problem with moses. I created big parallel corpus by concatenating a bunch of existing corpuses on http://opus.lingfil.uu.se. After that I cleaned up results (while creating tokens script reported some errors. I deleted error-prone rows from both of parts).

Then I started to train translation model using mgiza with such an executable:

nohup nice /opt/moses/scripts/training/train-model.perl --parallel -mgiza -mgiza-cpus 20 -cores 20 -root-dir train -corpus ~/corpus/ru-en.clean -f ru -e en -alignment grow-diag-final-and -reordering msd-bidirectional-fe -lm 0:3:$HOME/lm/ru-en.arpa.en:8 -external-bin-dir /opt/moses/mgiza >& training.out &

After a week of work I have this in the end of training.out:
(7) learn reordering model @ Sun Feb  8 15:30:35 MSK 2015
(7.1) [no factors] learn reordering model @ Sun Feb  8 15:30:35 MSK 2015
(7.2) building tables @ Sun Feb  8 15:30:35 MSK 2015
Executing: /opt/moses/scripts/../bin/lexical-reordering-score /home/adminadmin/working/train/model/extract.o.sorted.gz 0.5 /home/adminadmin/working/train/model/reordering-table. --model "wbe msd wbe-msd-bidirectional-fe"
Lexical Reordering Scorer
scores lexical reordering models of several types (hierarchical, phrase-based and word-based-extraction
(8) learn generation model @ Sun Feb  8 15:30:35 MSK 2015
  no generation model requested, skipping step
(9) create moses.ini @ Sun Feb  8 15:30:35 MSK 2015

There is a bunch of files in ~/working/train folder. Looks like everything is ok, except the tiny problem: phrase-table.tgz has size of 20 bytes. And, of course, it's not usable at all!

Can somebody help and give me a direction where to dig?


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