Moses-support Digest, Vol 110, Issue 37

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Today's Topics:

1. Re: Doubts on Multiple Decoding Paths (Michael Denkowski)
2. Re: PhraseDictionaryCompact is not registered (Ulrich Germann)


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Message: 1
Date: Fri, 18 Dec 2015 17:08:22 -0500
From: Michael Denkowski <michael.j.denkowski@gmail.com>
Subject: Re: [Moses-support] Doubts on Multiple Decoding Paths
To: Philipp Koehn <phi@jhu.edu>
Cc: moses-support <moses-support@mit.edu>
Message-ID:
<CA+-GegKisQ16UofDPj4j3oPsQLfZ1N8peb9CqYtKWf9NX+TOvQ@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Anoop,

Confirming that your reading of "union" is in fact how it works. If you
want each phrase to be scored by all tables without having to worry about
making sure every phrase is in every table, I you can use
PhraseDictionaryGroup with default-average-others=true. This multiplies
the size of the phrase feature set by the number of models, so I recommend
running mer-moses.pl with --batch-mira.

Best,
Michael

On Fri, Dec 18, 2015 at 1:08 PM, Philipp Koehn <phi@jhu.edu> wrote:

> Hi,
>
> that sounds right.
>
> The "union" option is fairly new, developed by Michael Denkowski.
> I am not aware of any empirical study of the different methods,
> so I'd be curious to see what you find.
>
> -phi
>
> On Fri, Dec 18, 2015 at 1:35 AM, Anoop (?????) <
> anoop.kunchukuttan@gmail.com> wrote:
>
>> Hi,
>>
>> I am trying to understand the multiple decoding paths feature in Moses.
>>
>> The documentation (http://www.statmt.org/moses/?n=Advanced.Models#ntoc7)
>> describes 3 methods: both, either and union
>>
>> The following is my understanding of the options. Please let me know if
>> it is correct:
>>
>>
>> - With *both* option, the constituent phrases of the target
>> hypothesis come from both tables (since they are shared) and are scored
>> with both the tables.
>> - With *either* option, all the constituent phrases of a target
>> hypothesis come from a single table, but different hypothesis can use
>> different tables. Each hypothesis is scored using one table only. I did not
>> understand the " additional options are collected from the other tables"
>> bit in the documentation.
>> - With *union* option, the constituent phrases of a target hypothesis
>> come from different tables and are scored using scores from all the tables.
>> Use 0 if the option doesn't appear in some table, unless the
>> *default-average-others=true* option is used.
>>
>>
>> Regards,
>> Anoop.
>>
>> --
>> I claim to be a simple individual liable to err like any other fellow
>> mortal. I own, however, that I have humility enough to confess my errors
>> and to retrace my steps.
>>
>> http://flightsofthought.blogspot.com
>>
>> _______________________________________________
>> Moses-support mailing list
>> Moses-support@mit.edu
>> http://mailman.mit.edu/mailman/listinfo/moses-support
>>
>>
>
> _______________________________________________
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>
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Message: 2
Date: Fri, 18 Dec 2015 22:39:01 +0000
From: Ulrich Germann <ulrich.germann@gmail.com>
Subject: Re: [Moses-support] PhraseDictionaryCompact is not registered
To: Andrew <ravenyj@hotmail.com>
Cc: "moses-support@mit.edu" <moses-support@mit.edu>
Message-ID:
<CAHQSRUr+EFH9XTumK88q4NdLWsYxi7MiZ++uGHWDv-RE8f_KSw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

make -f contrib/Makefiles/install-dependencies.gmake cmph
./bjam --with-cmph=$(pwd)/opt ....



On Fri, Dec 18, 2015 at 2:15 PM, Andrew <ravenyj@hotmail.com> wrote:

> I'm following the baseline system page step-by-step as it says.
> I've binarized the phrase table and reordering table using
> processPhraseTableMin and processLexicalTableMin,
> edited the moses.ini as written,
> but upon executing, it gives an exception with "PhraseDictionaryCompact
> is not registered" message.
>
> I've done some googling, and tried running processLexicalTable (without
> "Min") to no good,
> and also tried editing as PhraseDictionaryBinary, PhraseDictionaryOnDisk,
> which succeeded in running the task, but gets aborted upon writing the
> input sentence.
>
> Is there be any other workaround / fix to this?
>
>
> _______________________________________________
> Moses-support mailing list
> Moses-support@mit.edu
> http://mailman.mit.edu/mailman/listinfo/moses-support
>
>


--
Ulrich Germann
Senior Researcher
School of Informatics
University of Edinburgh
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End of Moses-support Digest, Vol 110, Issue 37
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