Thanks Chris! So currently, there's no trick to impose hard constraints for some weights?
Regards, Thang On Thu, Jun 4, 2009 at 10:55 PM, Chris Dyer <[email protected]> wrote: > Hi Thang, > The ranges that are specified for moses are just suggestions for random > starting points for the MERT algorithm. However, it may (and often does) > find weights that end up outside of these ranges. > -Chris > > On Thu, Jun 4, 2009 at 2:32 AM, Thang Luong Minh > <[email protected]>wrote: > >> Dear experts, >> >> I noticed for several settings of my system, I obtained optimal weights >> which are negative even though the default search range is [0, 0.5]. E.g. >> the weight for PhraseModel_4 (lexical feature) below. >> PhraseModel_1 0.045 >> PhraseModel_2 0.237 >> PhraseModel_3 0.048 >> PhraseModel_4 -0.097 >> PhraseModel_5 0.024 >> >> I was wondering if this is a normal behavior, and hope someone could >> enlighten me on that. If it is normal, how should I strictly enforce the >> range? >> >> Regards, >> Thang >> >> -- >> Luong Minh Thang >> WING group, School of Computing, National University of Singapore >> http://wing.comp.nus.edu.sg/~lmthang<http://wing.comp.nus.edu.sg/%7Elmthang> >> >> _______________________________________________ >> Moses-support mailing list >> [email protected] >> http://mailman.mit.edu/mailman/listinfo/moses-support >> >> > -- Luong Minh Thang WING group, School of Computing, National University of Singapore http://wing.comp.nus.edu.sg/~lmthang
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