This AI enigne is based on several parts.

The qaiml (http://sourceforge.net/projects/qaiml) AIML-parsing library (it has
been ported to qt4 for use with simon).

The A.L.I.C.E. AIML set available under (http://alice.pandorabots.com/).

The German AIML-set developed by Christian Droßmann (mail@drossman.de).

Thanks go out to the respective Authors for their great contribution!
