Update July 19, 2009 : You can now use nltk python egg instead, read the NLTK Installation with Python setuptools post. While attending a short program in computational linguistics at Dravidian University, Dr. Arul introduced me to NLTK (Natural Language Toolkit). It was full two years before that I finally decided to have a close look at it. Like most linguists at the lab I used Perl programming
![NLTK on Ubuntu Quick Start Guide](https://cdn-ak-scissors.b.st-hatena.com/image/square/b90da61f164b2d40df3df1184087130232401b14/height=288;version=1;width=512/https%3A%2F%2F3.bp.blogspot.com%2F_qBN_dFzAuCo%2FSlTRPntuqnI%2FAAAAAAAABcI%2FJACWuMTN_vQ%2Fw1200-h630-p-k-no-nu%2FNLTK-Downloader.png)