Hi,

> As a bonus, the fig. 5 explains how the
> phrases are extracted: "consistent word alignments". Finally I
> understand :-)
>
> It might be a good idea to include that illustration on the page:
> http://www.statmt.org/moses/?n=Moses.Background
> It would make the concept easy to understand.

Are you saying that

BP(f1J,e1J,A) = { ( fjj+m,eii+n ) }: forall (i',j') in A : j <= j' <=
j+m <-> i <= i' <= i+n

was not clear enough?

Okay, I added the picture...

-phi

On Wed, Apr 3, 2013 at 3:17 PM, Per Tunedal <[email protected]> wrote:
> Hi,
> Yours,
> Per Tunedal
>
> On Wed, Apr 3, 2013, at 14:32, Philipp Koehn wrote:
>> Hi,
>>
>> you will have to experiments yourself to see what works best.
>> We use by default grow-diag-final-and or sometimes grow-diag-final
>>
>> A clear effect of the different methods is the number of alignment points
>> and hence the number of phrase pairs extracted. There may not be a
>> clear picture with regard of quality --- at least when I ran experiments
>> with small amounts of training data.
>> http://homepages.inf.ed.ac.uk/pkoehn/publications/iwslt05-report.pdf
>>
>> -phi
>>
>> On Wed, Apr 3, 2013 at 7:54 AM, Per Tunedal <[email protected]>
>> wrote:
>> > Hi,
>> > Obviously, alignment is important for translation quality.
>> > Unfortunately, I don't fully understand the options.
>> >
>> > I've read the pages:
>> > http://www.statmt.org/moses/?n=FactoredTraining.TrainingParameters
>> > and
>> > http://www.statmt.org/moses/?n=Moses.Background
>> >
>> >  Pros and cons of different settings?
>> >
>> > What's "final"?
>> > Intersect "creates a lot of extracted phrases": isn't that a good thing?
>> >
>> > Any hints on cases when a specific option might be useful? What's useful
>> > to try when translating between languages that differ a lot in word
>> > order and ways to express yourself (like Swedish and French)? And, on
>> > the contrary, languages that are very similar (like Swedish and Danish)?
>> >
>> > Yours,
>> > Per Tunedal
>> > _______________________________________________
>> > Moses-support mailing list
>> > [email protected]
>> > http://mailman.mit.edu/mailman/listinfo/moses-support
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