Hi,
I have two questions:
1??
After reading the adding feature section of the
Moses(http://www.statmt.org/moses/?n=Moses.FeatureFunctions), it says "However,
new features are usually more complicated. For instance, it requires reading in
a file and representing it with a data structure and more complex computations.
See moses/LM/SRI.h and moses/LM/SRI.cpp for something more involved."
while my moses.ini is looking as this:
//////////////////////// moses.ini
UnknownWordPenalty
WordPenalty
PhrasePenalty
PhraseDictionaryCompact name=TranslationModel0 num-features=4
path=/nobackup/f1/asr/wulong/Moses/mosesdecoder/ALLDATApinyin/working/filtered-oneword/phrase-table.0-0.1.1
input-factor=0 output-factor=0
LexicalReordering name=LexicalReordering0 num-features=6
type=wbe-msd-bidirectional-fe-allff input-factor=0 output-factor=0
path=/nobackup/f1/asr/wulong/Moses/mosesdecoder/ALLDATApinyin/working/filtered-oneword/reordering-table.wbe-msd-bidirectional-fe.0-0.1
Distortion
KENLM name=LM0 factor=0
path=/nobackup/f1/asr/wulong/Moses/mosesdecoder/ALLDATApinyin/lm/train.blm.en
order=3
//////////////////////////
the last line is the KENLM , this means that language model estimation is did
by the KENLM. But I installed the moses by the way on the Mose website: "
Easy Setup on Ubuntu (on other linux systems, you'll need to install packages
that provide gcc, make, git, automake, libtool) " in the
http://www.statmt.org/moses/?n=Development.GetStarted.
But in the third step of the installing process, it says " 3. Run the
following to install a recent version of Boost (the default version on your
system might be too old), as well as cmph (for CompactPT), irstlm (language
model from FBK, required to pass the regression tests), and xmlrpc-c (for moses
server). By default, these will be installed in ./opt in your working
directory:make -f contrib/Makefiles/install-dependencies.gmake ". It means
that the language model estimation is did by the irstlm . so I am confused why
is KENLM in the moses.ini.
2??
"KENLM name=LM0 factor=0
path=/nobackup/f1/asr/wulong/Moses/mosesdecoder/ALLDATApinyin/lm/train.blm.en
order=3"
can you explain the parameters of the above line? i know order =3 means 3-gram
, path is the arpa table language model .But i do not know the other parameter
meaning.
Thank you very much .
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