Moses-support Digest, Vol 106, Issue 55

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Today's Topics:

1. Re: regarding forced decoding using Moses and extracting a
force-decoded phrase table (Hieu Hoang)
2. Illegal division by zero in mteval-v13a.pl (Dingyuan Wang)


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Message: 1
Date: Mon, 31 Aug 2015 16:22:01 +0300
From: Hieu Hoang <hieuhoang@gmail.com>
Subject: Re: [Moses-support] regarding forced decoding using Moses and
extracting a force-decoded phrase table
To: "Wu Kui (I2R)" <wuk@i2r.a-star.edu.sg>, moses-support
<moses-support@mit.edu>
Message-ID: <55E454F9.505@gmail.com>
Content-Type: text/plain; charset="windows-1252"

if you want to know what phrase-pairs are used, I think you just provide
the following arg to the decoder
-T /output/file.txt

On 31/08/2015 10:46, Wu Kui (I2R) wrote:
>
> Dear Hieu Hoang,
>
> Thank you for your reply. What I mean is how to obtain the list of
> phrase pairs used by the decoder to produce the reference translation
> given as a constraint. Thanks.
>
> Best regards,
>
> Wu Kui
>
> *From:*Hieu Hoang [mailto:hieuhoang@gmail.com]
> *Sent:* Saturday, 29 August, 2015 5:01 AM
> *To:* Wu Kui (I2R); moses-support
> *Subject:* Re: regarding forced decoding using Moses and extracting a
> force-decoded phrase table
>
> if you want to do forced decoding, add this to the [feature] section
> of the moses.ini file:
> ConstrainedDecoding path=/path/to/reference/file
> I'm not sure what you mean by extracting refined phrase table
>
> On 28/08/2015 05:59, Wu Kui (I2R) wrote:
>
> Dear Hieu Hoang,
>
> Good day to you!
>
> May I kindly know the procedure/script for using Moses to perform
> forced decoding and extracting a refined phrase table from the
> resulting forced phrase alignment? Thanks in advance and look
> forward to your reply!
>
> Best regards,
>
> Wu Kui
>
> Institute for Infocomm Research disclaimer: "This email is
> confidential and may be privileged. If you are not the intended
> recipient, please delete it and notify us immediately. Please do
> not copy or use it for any purpose, or disclose its contents to
> any other person. Thank you."
>
>
>
> --
> Hieu Hoang
> Researcher
> New York University, Abu Dhabi
> http://www.hoang.co.uk/hieu
> Institute for Infocomm Research disclaimer: "This email is
> confidential and may be privileged. If you are not the intended
> recipient, please delete it and notify us immediately. Please do not
> copy or use it for any purpose, or disclose its contents to any other
> person. Thank you."

--
Hieu Hoang
Researcher
New York University, Abu Dhabi
http://www.hoang.co.uk/hieu

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Message: 2
Date: Mon, 31 Aug 2015 21:33:04 +0800
From: Dingyuan Wang <abcdoyle888@gmail.com>
Subject: [Moses-support] Illegal division by zero in mteval-v13a.pl
To: "moses-support@mit.edu" <moses-support@mit.edu>
Message-ID: <55E45790.1020101@gmail.com>
Content-Type: text/plain; charset="utf-8"

Dear all,

When using EMS, step EVALUATION:test:nist-bleu(-c) crashed with "Illegal
division by zero at mteval-v13a.pl line 890".

I saw this error first time, and training the other direction with the
same config is fine. Previous experiments didn't cause this error.

The script is the latest version on GitHub.

Attached is the files that causes the problem. The command line is:
perl mteval-v13a.pl -s t.zhc-zh.zhc.sgm -r t.zhc-zh.zh.sgm -t
test.detokenized.sgm.2
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