I recently posted this homework for my NLP class, which uses maxent to do sentiment analysis on Twitter, using a Python front-end to create features for the command line training and model use:
http://nlp-s11.utcompling.com/assignments/sentiment-analysis Might be a useful pointer for newcomers. Jason -- Jason Baldridge Assistant Professor, Department of Linguistics The University of Texas at Austin http://www.jasonbaldridge.com http://twitter.com/jasonbaldridge
