Joshua Examples

The examples in this directory demonstrate how to exercise different Joshua features. If you have any comments or questions please submit them to our mailing lists.

Bugs or source code issues should be logged in our Issue Tracker.

The decoding examples and model training examples in the subdirectories of this directory assume you have downloaded the Fisher Spanish--English dataset, which contains speech-recognizer output paired with English translations. This data can be downloaded by running the download.sh script.

Building a Spanish --> English Translation Model using the Fisher Spanish CALLHOME corpus

An example of how to build a model using the Fisher Spanish CALLHOME corpus

A) Download the corpus:

$ mkdir $HOME/git
$ cd $HOME/git
$ curl -o fisher-callhome-corpus.zip https://codeload.github.com/joshua-decoder/fisher-callhome-corpus/legacy.zip/master
$ unzip fisher-callhome-corpus.zip
$ export SPANISH=$HOME/git/fisher-callhome-corpus
$ mv joshua-decoder-*/ fisher-callhome-corpus

B) Download and install Joshua as per the Quickstart.

C) Train the model:

$ mkdir -p $HOME/expts/joshua && cd $HOME/expts/joshua
$ $JOSHUA/bin/pipeline.pl \
        --type hiero \
        --rundir 1 \
        --readme "Baseline Hiero run" \
        --source es \
        --target en \
        --witten-bell \
        --corpus $SPANISH/corpus/asr/callhome_train \
        --corpus $SPANISH/corpus/asr/fisher_train \
        --tune  $SPANISH/corpus/asr/fisher_dev \
        --test  $SPANISH/corpus/asr/callhome_devtest \
        --lm-order 3