Dear Philipp,

Thanks for the reply. I also have the same feeling about getting the CN
output, so currently I perform simple processing on n-best list instead.

Regards,
Thang

On Fri, Dec 19, 2008 at 2:52 AM, Philipp Koehn <[email protected]> wrote:

> Hi,
>
> Moses allows for confusion network and word lattice input,
> but you seemed to be interested in confusion network output.
> This, however, is in a typical scenario not a useful representation,
> since reordering may happen during translation, which does not
> fit nicely with the concept of a confusion network.
>
> -phi
>
> On Thu, Dec 18, 2008 at 10:10 AM, Thang Luong Minh
> <[email protected]> wrote:
> > Hi Josh & all,
> >
> > Tks for the suggestion about the output search graph! I'll use it once I
> > totally understand. Currently, I'm using n-best-list with alignment info
> to
> > derive the different translation choices from a particular src
> > words/phrases, which is for simplicity.
> >
> > After reading through the Moses webpage, I think what I'm interested in
> is a
> > confusion network (CN) representation instead of a word lattice one.
> Thus, I
> > have a few concerns, hopefully someone could help me answer them :) :
> > 1) representation: the CN derived from the output search graph would mean
> > edges between two consecutive nodes correspond to different translation
> of
> > the same src/word phrase? If so, am I right that we will obtain multiple
> CNs
> > from an output search graph since there's multiple ways of segmenting the
> > source input.
> > 2) CN for n-best list: if we want to extract CN network for an n-best
> list,
> > is that in the search graph, we need to traverse to those last hypotheses
> in
> > different search paths, and pick up those with top scores? It looks like
> > there's some redundancy as the moses option to extract n-best list 's
> > already done that?
> > 3) ConfusionNet in Moses code: could I make use of this to obtain the
> > ConfusionNet at the end of the decoding process? If so, where should I
> > start, I mean the classes?
> >
> > Thanks in advance,
> >
> > Regards,
> > Thang
> >
> > On Wed, Dec 17, 2008 at 4:44 PM, Josh Schroeder <[email protected]>
> > wrote:
> >>
> >> Thang,
> >>
> >> I think you'll want to process the file generated by
> -output-search-graph.
> >>
> >> More information:
> >> http://www.statmt.org/moses/?n=Moses.AdvancedFeatures#ntoc10
> >>
> >> Hope this helps,
> >> Josh
> >>
> >> On 17 Dec 2008, at 09:17, Thang Luong Minh wrote:
> >>
> >>> Dear all,
> >>>
> >>> I would like to ask if there's an option in Moses to output n-best list
> >>> in lattice form. I checked on the Moses website and the options, but it
> >>> looks like there's no option yet.
> >>>
> >>> I would appreciate if someone could enlighten me on that, or any
> specific
> >>> files in Moses code I could look into. I'm interested in testing my
> >>> morphological preference model to re-decide on the most probable word
> forms
> >>> among different options derived from the n-best list.
> >>>
> >>> 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
> >>
> >>
> >> --
> >> The University of Edinburgh is a charitable body, registered in
> >> Scotland, with registration number SC005336.
> >>
> >
> >
> >
> > --
> > 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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