Aho-Corasick algorithm implementation has been inspired by:

  http://dl.acm.org/citation.cfm?doid=360825.360855
  http://blog.ivank.net/aho-corasick-algorithm-in-as3.html

... and Andrés Mejía's Gist:

 https://gist.github.com/andmej/1233426

These code snippets has no license.
