Moses-support Digest, Vol 113, Issue 32

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Today's Topics:

1. problem with return alignment with mosesserver (Maria Braga)


----------------------------------------------------------------------

Message: 1
Date: Thu, 10 Mar 2016 16:12:41 +0000
From: Maria Braga <maria@unbabel.com>
Subject: [Moses-support] problem with return alignment with
mosesserver
To: moses-support@mit.edu
Message-ID:
<CALA-XXzYu3p0F+ud25eOYUwbA+OMyiTEp8icLhXwLu4At6ft+g@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

When using mosesserver, with the -align and -topt flags noticed that the
first element of the list of alignments does not make sense.

Example from en-es: "my blue car"
Alignment:
{'src-start': -1, 'tgt-start': -1, 'src-end': -1, 'tgt-end': -1},
{'src-start': 0, 'tgt-start': 0, 'src-end': 0, 'tgt-end': 1}

When into the TranslationRequest.cpp printed the target GetStartPos() in
add_phrase_an_info(). The mosesserver output is:

[moses/server/TranslationRequest.cpp:288] Input: my blue car
Translating: my blue car
Line 0: Collecting options took 0.009 seconds at moses/Manager.cpp Line 141
Line 0: Search took 0.091 seconds
[moses/server/TranslationRequest.cpp:374] BEST TRANSLATION: mi coche azul
[111] [total=-1.508] core= ...

*[moses/server/TranslationRequest.cpp:87] H: [000] [total=0.000]
core=(0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,*
*0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000*
*)*
*[moses/server/TranslationRequest.cpp:95] ALIGN: -1*
*[moses/server/TranslationRequest.cpp:97] TARGET:
[18446744073709551615..18446744073709551615]*

[moses/server/TranslationRequest.cpp:87] H: mi [100] [total=-1.322]
core=(0.000,-1.000,1.000,0.000,-0.245,-0.257,-0.435,-0.565,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.0
00,0.000,0.000,0.000,-0.264,0.000,0.000,0.000,0.000,0.000,-0.247,0.000,0.000,0.000,0.000,0.000,-0.185,0.000,0.000,0.000,0.000,0.000,-0.068,0.000,0.000,0.000,0.000,0.000,-6.101,-7.
162,-7.741,-10.450)
[moses/server/TranslationRequest.cpp:95] ALIGN: 0
[moses/server/TranslationRequest.cpp:97] TARGET: [0..0]

[moses/server/TranslationRequest.cpp:87] H: mi coche azul [111]
[total=-1.508]
core=(0.000,-3.000,2.000,0.000,-0.756,-1.081,-1.712,-2.459,0.000,0.000,0.000,0.000,0.000,0.000,0.00
0,0.000,0.000,0.000,0.000,0.000,-0.341,0.000,0.000,-0.093,0.000,0.000,-0.247,0.000,0.000,-0.320,0.000,0.000,-0.185,0.000,0.000,-0.103,0.000,0.000,-0.068,0.000,0.000,-0.141,0.000,0
.000,-26.601,-29.405,-36.306,-35.151)
[moses/server/TranslationRequest.cpp:95] ALIGN: 1
[moses/server/TranslationRequest.cpp:97] TARGET: [1..2]

In bold the problematic output. Why does it return alignment -1 ?

--
Maria Braga
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