This plugin depends on the following software:

  Mallet: http://mallet.cs.umass.edu/
  License: https://opensource.org/licenses/cpl1.0.php

  SnakeYaml: https://bitbucket.org/asomov/snakeyaml
  License: Apache License 2.0

  LibSVM: https://www.csie.ntu.edu.tw/~cjlin/libsvm/
  License: http://www.csie.ntu.edu.tw/~cjlin/libsvm/COPYRIGHT

  CommonsCLI: https://commons.apache.org/proper/commons-cli/
  License: Apache License 2.0 

  gateplugin-Evaluation: https://github.com/johann-petrak/gateplugin-Evaluation
  License: LGPL 2.1

  JDOM: http://jdom.org/
  License: http://jdom.org/docs/faq.html#a0030 (Apache-like, more permissive)