you can also put this into the EMS:

[TUNING]
decoding-settings = "-feature-overwrite \"TranslationModel0
tuneable=false\" \"AnotherFeatureName tuneable=fase\" "

I forget if you have to escape the quotes. You have to escape it in
[TUNING], but not in [EVALUATION]. Or may the other way round

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

On 20 May 2015 at 15:39, Matthias Huck <[email protected]> wrote:

> Hi Vito,
>
> tuneable=false should work.
>
> However, in case you use the EMS to run experiments, there's a pitfall:
> If a filtered phrase table for tuning exists from a previous
> experimental run, then the EMS will typically apply the filter and
> replace the line for the phrase table feature function in your moses.ini
> by the respective line from the filtered directory. In case the previous
> run didn't have tuneable=false, this will be dropped. You can easily
> check this and manually edit the filtered moses.ini in the tuning
> directory. A filtered moses.ini can be specified in the EMS config:
>
> [TUNING]
> filtered-config = $working-dir/tuning/moses.filtered.ini.10
>
> tuneable=false will keep all the score components of a feature function
> at their initial values. If you need something similar for individual
> components only, please have a look at this:
> https://www.mail-archive.com/[email protected]/msg11653.html
>
> Cheers,
> Matthias
>
>
> On Wed, 2015-05-20 at 10:12 +0200, Vito Mandorino wrote:
> > Dear all,
> >
> > is it possible when tuning to tell Moses to constrain the value of a
> subset
> > of the features to some fixed, given-in-advance values ?
> > I would like to do that because I'm dealing with a very small tuning set,
> > and I think that reducing the number of tuneable features will prevent
> > overfitting.
> > I have tried two approaches so far but results were not as expected (or
> > desired):
> > - add      tuneable=false      to the concerned features in the moses.ini
> > - add
> >   --decoder-flags "-weight-overwrite 'LM0= 0.086 WordPenalty0= -0.021
> > PhrasePenalty0= 0.022 Distortion0= 0.3 TranslationModel1= 0.04 -0.01 0.25
> > 0.19'"
> >  to the mert-moses.pl command.
> >
> >
> > Best regards,
> >
> > Vito Mandorino
> >
> > _______________________________________________
> > Moses-support mailing list
> > [email protected]
> > http://mailman.mit.edu/mailman/listinfo/moses-support
>
>
>
> --
> The University of Edinburgh is a charitable body, registered in
> Scotland, with registration number SC005336.
>
> _______________________________________________
> Moses-support mailing list
> [email protected]
> http://mailman.mit.edu/mailman/listinfo/moses-support
>
_______________________________________________
Moses-support mailing list
[email protected]
http://mailman.mit.edu/mailman/listinfo/moses-support

Reply via email to