@InProceedings{Delta_TFIDF_An_Improved_Feature_Space_for_Sentiment_Analysis,
	author = "Justin Martineau and Tim Finin",
	title = "{Delta TFIDF: An Improved Feature Space for Sentiment Analysis}",
	month = "May",
	year = "2009",
	address = "San Jose, CA",
	note = "(poster paper)",
	booktitle = "Proceedings of the Third International Conference on Web and Social Media",
	publisher = "AAAI",
}