Sentiment Analysis using Support Vector Machines with Diverse Information Sources Tony Mullen author Nigel Collier author 2004-07 text Proceedings of the 2004 Conference on Empirical Methods in Natural Language Processing Dekang Lin editor Dekai Wu editor Association for Computational Linguistics Barcelona, Spain conference publication mullen-collier-2004-sentiment https://aclanthology.org/W04-3253/ 2004-07 412 418