I think your remark in the mail from January was correct, it has to be
ePos-sPos+1 > backoff
but currently still is
ePos-sPos+1 <= backoff
Are you able to somehow test this?
On Thu, 2015-04-16 at 23:57 +0400, Hieu Hoang wrote:
> ah yes, I thought the backoff was doing the opposite to what it's
> supposed to do so I changed the comparison around. I checked that it
> backed off, but i didn't run it through tuning.
>
> it may still be wrong, or there may be strange interaction with the tuning.
>
>
> On 16/04/2015 22:16, Matthias Huck wrote:
> > Well, what's that business mentioned in your mail from January (quoted
> > below), with the backoff being broken, then being broken more, then
> > possibly been fixed - or not?
> >
> > https://github.com/moses-smt/mosesdecoder/commit/44fec57c535db2df73ccbb1628d8143a9c728c19
> >
> >
> > I set up a system that was supposed to do backoff with factored
> > generation steps, more or less in the manner of what's described in this
> > paper: Interpolated Backoff for Factored Translation Models, Philipp
> > Koehn and Barry Haddow, AMTA 2012.
> >
> > MIRA tunes all the weights of the backoff models to 0. With exactly the
> > same configuration, this did not happen last year (February 2014). Maybe
> > the [decoding-graph-backoff] setting didn't have any effect prior to
> > some of your code modifications, and the models were actually competing
> > in older setups? Or it's buggy now. I can't really tell.
> >
> > I can show you the two setups if you want.
> >
> >
> >
> > On Thu, 2015-04-16 at 21:34 +0400, Hieu Hoang wrote:
> >> Didn't know it has changed. How should it behave and how does it
> >> actually behave?
> >>
> >> On 16 Apr 2015 21:04, "Matthias Huck" <[email protected]> wrote:
> >> Hi Hieu,
> >>
> >> It seems that [decoding-graph-backoff] doesn't quite behave
> >> like last
> >> year any more. Can you briefly explain how its behaviour has
> >> changed,
> >> i.e. what it did before and what it does now? Can you please
> >> also let me
> >> know whether there's a way to reproduce the old behaviour via
> >> configuration options?
> >>
> >> Cheers,
> >> Matthias
> >>
> >>
> >>
> >> On Fri, 2015-01-09 at 15:20 +0000, Hieu Hoang wrote:
> >> > >From the git history, I think it was slightly broken, then
> >> I broke it even
> >> > more in May 2014.
> >> >
> >> >
> >>
> >> https://github.com/moses-smt/mosesdecoder/commit/44fec57c535db2df73ccbb1628d8143a9c728c19
> >> >
> >> > It was
> >> > endPos-startPos+1 >= backoff
> >> > then
> >> > endPos-startPos+1 <= backoff
> >> > I think it should be
> >> > endPos-startPos+1 > backoff
> >> >
> >> > I'll change it if it's ok with everyone
> >> >
> >> >
> >> > On 9 January 2015 at 15:11, Marcin Junczys-Dowmunt
> >> <[email protected]>
> >> > wrote:
> >> >
> >> > > Hm, we have been using it at WIPO, but I have to admit I
> >> never checked
> >> > > it _actually_ does anything useful. We sorta believe it
> >> does.
> >> > >
> >> > > W dniu 09.01.2015 o 16:08, Hieu Hoang pisze:
> >> > >
> >> > > Hi All
> >> > >
> >> > > Does anyone use this functionality in Moses when you have
> >> multiple
> >> > > phrase-tables?
> >> > >
> >> > > From the code, it doesn't look like it works as described
> >> in
> >> > > http://www.statmt.org/moses/?n=Moses.AdvancedFeatures
> >> > >
> >> > > Maybe I'm missing something
> >> > >
> >> > > --
> >> > > Hieu Hoang
> >> > > Research Associate
> >> > > University of Edinburgh
> >> > > http://www.hoang.co.uk/hieu
> >> > >
> >> > >
> >> > >
> >> > > _______________________________________________
> >> > > Moses-support mailing
> >>
> >> [email protected]http://mailman.mit.edu/mailman/listinfo/moses-support
> >> > >
> >> > >
> >> > >
> >> > > _______________________________________________
> >> > > 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
> >> > The University of Edinburgh is a charitable body, registered
> >> in
> >> > Scotland, with registration number SC005336.
> >>
> >>
> >>
> >> --
> >> The University of Edinburgh is a charitable body, registered
> >> in
> >> Scotland, with registration number SC005336.
> >>
> >>
> >
> >
>
--
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
