Moses-support Digest, Vol 102, Issue 19

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Today's Topics:

1. Tuning returns all zero weights for hierarchical phrase-based
model (Shiman Guo)


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Message: 1
Date: Thu, 9 Apr 2015 09:08:07 -0400
From: Shiman Guo <shim@brandeis.edu>
Subject: [Moses-support] Tuning returns all zero weights for
hierarchical phrase-based model
To: moses-support@mit.edu
Message-ID:
<CAP9VFuHx83MQvVNSP-Dw0pyVQcWk79p0h+pO98=yo3GJYsTGqg@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi all,

I was trying to train and tune a baseline hierarchical phrase-based model,
following the baseline tutorial (with additional options to `train-model.pl`).
While the training was efficient and successful, the tuning process always
gave me an all zero weights in the `moses.ini`.

The command I used for tuning was:

${MOSES-ROOT}/scripts/training/mert-moses.pl \
${CHN-DEVSET} ${ENG-DEVSET} \
${MOSES-ROOT}/bin/moses ./model/moses.ini \
--mertdir ${MOSES-ROOT}/bin/

It worked fine with a phrase-based model. So I think the installation
should be good. And I also tried to use mose_chart as the decoder, but
there was no gain.

Has anyone else run into this issue? Please advise.


Best,
Shiman
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