Expert Model (XM) is fast algorithm to compress biological sequences. The source code implemenation in Java of the algorithm is part of the Japsa package.
Quick installation guide:
git clone https://github.com/mdcao/japsa
cd japsa
make install
If make and JDK are not available, the package can be installed by downloading the latest Japsa release and running the installer.
Once installed, and the path is set up correctly, XM can be invoked by:
jsa.xm.compress --help
Documentation for XM will be made available in http://japsa.readthedocs.io/en/latest/tools/jsa.xm.compress.html