Hi, I was using lattice mbr to decode the source sentences; the model was tuned using mert. However, despite the fact that other decoding methods such as maximum probability decoding and consensus decoding can output results without a problem, mbr decoding using the -lmbr flag let the decoder output an empty file, whatever size, scale and pruning factor I set.
In its simplest form, the code that caused this problem is essentially equivalent to the following: moses \ -f moses.ini \ -output-unknowns file1 \ -n-best-list file2 50 \ -output-search-graph file3 \ -lmbr \ (-lmbr-p 0.8 -lmbr-r 0.8 -mbr-scale 5 -lmbr-pruning-factor 50) \ < in_file \ > out_file 1. parameters in parentheses are optional, though either way nothing was output by the decoder. 2. the problem essentially is that it is out_file that tuned out to be empty. What was the problem? Thanks for your input in advance! -Angli
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