Thanks for your inputs. I plan to compare these methods, and will share the results on the group.
Regards, Anoop On Sat, Dec 19, 2015 at 3:38 AM, Michael Denkowski < michael.j.denkow...@gmail.com> wrote: > Hi Anoop, > > Confirming that your reading of "union" is in fact how it works. If you > want each phrase to be scored by all tables without having to worry about > making sure every phrase is in every table, I you can use > PhraseDictionaryGroup with default-average-others=true. This multiplies > the size of the phrase feature set by the number of models, so I recommend > running mer-moses.pl with --batch-mira. > > Best, > Michael > > On Fri, Dec 18, 2015 at 1:08 PM, Philipp Koehn <p...@jhu.edu> wrote: > >> Hi, >> >> that sounds right. >> >> The "union" option is fairly new, developed by Michael Denkowski. >> I am not aware of any empirical study of the different methods, >> so I'd be curious to see what you find. >> >> -phi >> >> On Fri, Dec 18, 2015 at 1:35 AM, Anoop (അനൂപ്) < >> anoop.kunchukut...@gmail.com> wrote: >> >>> Hi, >>> >>> I am trying to understand the multiple decoding paths feature in Moses. >>> >>> The documentation (http://www.statmt.org/moses/?n=Advanced.Models#ntoc7) >>> describes 3 methods: both, either and union >>> >>> The following is my understanding of the options. Please let me know if >>> it is correct: >>> >>> >>> - With *both* option, the constituent phrases of the target >>> hypothesis come from both tables (since they are shared) and are scored >>> with both the tables. >>> - With *either* option, all the constituent phrases of a target >>> hypothesis come from a single table, but different hypothesis can use >>> different tables. Each hypothesis is scored using one table only. I did >>> not >>> understand the " additional options are collected from the other tables" >>> bit in the documentation. >>> - With *union* option, the constituent phrases of a target >>> hypothesis come from different tables and are scored using scores from >>> all >>> the tables. Use 0 if the option doesn't appear in some table, unless the >>> *default-average-others=true* option is used. >>> >>> >>> Regards, >>> Anoop. >>> >>> -- >>> I claim to be a simple individual liable to err like any other fellow >>> mortal. I own, however, that I have humility enough to confess my errors >>> and to retrace my steps. >>> >>> http://flightsofthought.blogspot.com >>> >>> _______________________________________________ >>> Moses-support mailing list >>> Moses-support@mit.edu >>> http://mailman.mit.edu/mailman/listinfo/moses-support >>> >>> >> >> _______________________________________________ >> Moses-support mailing list >> Moses-support@mit.edu >> http://mailman.mit.edu/mailman/listinfo/moses-support >> >> > -- I claim to be a simple individual liable to err like any other fellow mortal. I own, however, that I have humility enough to confess my errors and to retrace my steps. http://flightsofthought.blogspot.com
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