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. >> >> > > -- Hieu Hoang Researcher New York University, Abu Dhabi http://www.hoang.co.uk/hieu _______________________________________________ Moses-support mailing list [email protected] http://mailman.mit.edu/mailman/listinfo/moses-support
