Thanks, but is there any way I can get those approximate probabilities? You said I Can get (approximate) probabilities in the final alignment file. how?
On Mon, Apr 7, 2014 at 4:57 PM, Qin Gao <[email protected]> wrote: > Unfortunately for Model 3/4 you can't get Viterbi probability - Viterbi > decoding for fertility models is not implemented in giza. Viterbi decoding > for fertility model is exponential. So the prob you get in the final > alignment file is an approximation using hill climbing. > > If you want to do posterior decoding the best bet is to use HMM model and > implement forward-backward yourself. I don't remember there's an > implementation in giza. > > --Q > > > On Mon, Apr 7, 2014 at 4:14 PM, Nima Pourdamghani <[email protected]>wrote: > >> Dear All, >> >> Is there any way to get the posterior probabilities of alignments for >> Model 3/4 in Giza++ / Mgiza++? >> I want to do posterior decoding but I can't get these probabilities. >> Even just the probability of the Viterbi best alignments will help a lot. >> >> Bests >> -- >> Nima Pourdamghani >> >> _______________________________________________ >> Moses-support mailing list >> [email protected] >> http://mailman.mit.edu/mailman/listinfo/moses-support >> >> >
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