Hi, you should not generate a reordering file, i.e. you should not use the option "-reordering" when running the train-model.perl script for hierachical/syntax models.
-phi On Wed, Feb 24, 2010 at 2:53 PM, Jie Jiang <[email protected]> wrote: > Hi Philipp: > > Yeah, I just noticed. Thank you very much! > Could you please tell me why there is still another reordering-table file > generated from moses-chart, looks like: > > [X] " [X] , two ||| [X] , [X] , ||| 0.333333 0.333333 0.333333 0.333333 > 0.333333 0.333333 > looks very similar to that in moses msd reordering table > Best regards! > > Jie Jiang > CNGL, School of Computing, > Dublin City University, > Glasnevin, Dublin 9. > Tel: +353 (0)1 700 6724 > > > > > 2010/2/24 Philipp Koehn <[email protected]> >> >> Hi, >> >> the relationship between the Xs is encoded as word alignments. >> In your example that is "1-0 3-2". >> >> The reorderdering model used in phrase-based models cannot >> be used for hierarchical models. >> >> -phi >> >> On Wed, Feb 24, 2010 at 2:45 PM, Jie Jiang <[email protected]> >> wrote: >> > Hi Philipp: >> > >> > Thanks a lot! >> > >> > So what I'm wondering is that: in Chiang's paper, his rules contains X1 >> > X2 >> > on both source and target side to represent potential reordering, >> > however, >> > in moses-chart, by looking at the phrase-table extracted: >> > >> > [X] [X] ||| " [X] " [X] " ||| [X] “ [X] ” 使 ||| 1-0 3-2 ||| 0.298507 >> > 0.00219001 0.026435 0.000359774 2.718 ||| 0.124074 1.40106 >> > >> > there is no X1 X2 stuffs here, does that mean any combination of reorder >> > of >> > the non-terminals are supposed to be accepted in this rules? >> > And additional reordering scores could be calculated from another >> > reordering-table that is generated in the training phase? >> > >> > Best regards! >> > >> > Jie Jiang >> > CNGL, School of Computing, >> > Dublin City University, >> > Glasnevin, Dublin 9. >> > Tel: +353 (0)1 700 6724 >> > >> > >> > >> > >> > 2010/2/24 Philipp Koehn <[email protected]> >> >> >> >> Hi, >> >> >> >> the best reference would be David Chiang's Computational Linguistics >> >> article on hierarchical phrase-based models. >> >> >> >> -phi >> >> >> >> On Wed, Feb 24, 2010 at 11:21 AM, Jie Jiang <[email protected]> >> >> wrote: >> >> > Dear all: >> >> > >> >> > Could you tell me where can I find the details of moses-chart >> >> > reordering? >> >> > It seems that the reordering table is quite different from that of >> >> > moses. >> >> > Is there any papers or documents for it? >> >> > Thank you very much! >> >> > >> >> > Best regards! >> >> > >> >> > Jie Jiang >> >> > CNGL, School of Computing, >> >> > Dublin City University, >> >> > Glasnevin, Dublin 9. >> >> > Tel: +353 (0)1 700 6724 >> >> > >> >> > >> >> > >> >> > _______________________________________________ >> >> > 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
