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mkbingram - Online in the Cloud

Run mkbingram in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command mkbingram that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


mkbingram
- make binary N-gram from ARPA N-gram file

SYNOPSIS


mkbingram [-nlr forward_ngram.arpa] [-nrl backward_ngram.arpa] [-d old_bingram_file]
{output_bingram_file}

DESCRIPTION


mkbingram is a tool to convert N-gram definition file(s) in ARPA standard format to a
compact Julius binary format. It will speed up the initial loading time of N-gram much
faster. It can read gzipped file directly.

From rev.4.0, Julius can deal with forward N-gram, backward N-gram and their combinations.
So, mkbingram now generates binary N-gram file from one of them, or combining them two to
produce one binary N-gram.

When only a forward N-gram is specified, mkbingram generates binary N-gram from only the
forward N-gram. When using this binary N-gram at Julius, it performs the 1st pass with the
2-gram probabilities in the N-gram, and run the 2nd pass with the given N-gram fully, with
converting forward probabilities to backward probabilities by Bayes rule.

When only a backward N-gram is specified, mkbingram generates an binary N-gram file that
contains only the backward N-gram. The 1st pass will use forward 2-gram probabilities that
can be computed from the backward 2-gram using Bayes rule, and the 2nd pass use the given
backward N-gram fully.

When both forward and backward N-grams are specified, the 2-gram part in the forward
N-gram and all backward N-gram will be combined into single bingram file. The forward
2-gram will be applied for the 1st pass and backward N-gram for the 2nd pass. Note that
both N-gram should be trained in the same corpus with same parameters (i.e. cut-off
thresholds), with same vocabulary.

The old binary N-gram produced by mkbingram of version 3.x and earlier can be used in
Julius-4, but you can convert the old version to the new version by specifying it as input
of current mkbingram by option "-d".

Please note that binary N-gram file converted by mkbingram of version 4.0 and later cannot
be read by older Julius 3.x.

OPTIONS


-nlr forward_ngram.arpa
Read in a forward (left-to-right) word N-gram file in ARPA standard format.

-nrl backward_ngram.arpa
Read in a backward (right-to-left) word N-gram file in ARPA standard format.

-d old_bingram_file
Read in a binary N-gram file.

-swap
Swap BOS word <s> and EOS word </s> in N-gram.

output_bingram_file
binary N-gram file name to output.

EXAMPLES


Convert a set of forward and backward N-gram in ARPA format into Julius binary form:
Convert a single forward 4-gram in ARPA format into a binary file:
Convert old binary N-gram file to current format:

Use mkbingram online using onworks.net services


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