Hi, Ok this seems reasonable. In the example I gave there are 5 unknown words, thus the number of phrases is 17 as Philipp said.
Thank you very much for your help. -- Felipe El mié, 16-09-2009 a las 16:48 +0100, Hieu Hoang escribió: > it may be an unknown word issue. If a word is unknown, it doesn't have > translation model scores. > > there may be a few unknown words for this particular sentence as its > full of numbers and code > > Felipe Sánchez Martínez wrote: > > Hi Philip, > > > > Notice that in the example I gave the number of phrase pairs used is 22. > > > > -- > > Felipe. > > > > El mié, 16-09-2009 a las 16:24 +0100, Philipp Koehn escribió: > > > >> Hi, > >> > >> the phrase penalty is part of the translation model - in a very > >> crude way: each phrase pair entry has a 5th scoring component > >> which is 2.76, which is almost e. Hence if there are 17 > >> phrase pairs used, the log score is 16.9982 (log 2.76^17). > >> > >> -phi > >> > >> 2009/9/16 Felipe Sánchez Martínez <[email protected]> > >> Hi there, > >> > >> How is calculated the phrase penalty? In my n-best list I have > >> the > >> following hypothesis (I have used # to divide the translation > >> in the > >> phrases used, maybe it helps) > >> > >> 1 ||| el siguiente punto es # la recomendación para la segunda > >> lectura > >> ( #a4-0294 # / 96 # ) en nombre de la comisión # de > >> transportes y > >> turismo , # sobre la posición común adoptada por el # consejo > >> # con > >> vistas a la adopción de # una directiva del consejo sobre # el > >> equipamiento marino # ( # c4-0370 # / # 96-95 # / # 0163 # ( # > >> syn # ) ) > >> ( ponente : # sr. kaklamanis # ) .||| d: 0 -7.54513 0 0 > >> -5.7395 0 0 lm: > >> -353.572 tm: -3.94358 -37.6388 -5.04752 -57.4153 16.9982 w: > >> -64 > >> > >> According to this the phrase penalty is 16.9982. How is this > >> value > >> calculated? > >> > >> Thank you very much in advance > >> Regards > >> -- > >> Felipe > >> > >> _______________________________________________ > >> Moses-support mailing list > >> [email protected] > >> http://mailman.mit.edu/mailman/listinfo/moses-support > >> > >> -- Felipe Sánchez Martínez <[email protected]> Departamento de Lenguajes y Sistemas Informáticos Universidad de Alicante, E-03071 Alicante (Spain) Tel.: +34 965 903 400, ext: 2966 Fax: +34 965 909 326 http://www.dlsi.ua.es/~fsanchez _______________________________________________ Moses-support mailing list [email protected] http://mailman.mit.edu/mailman/listinfo/moses-support
