SentiWordNet is a lexical resource for opinion mining. SentiWordNet assigns to each synset of WordNet three sentiment scores: positivity, negativity, objectivity.
Mining the Web for Feelings, Not Facts: Sentiment analysis is taking shape around one of the computer worlds unexplored frontiers: translating the vagaries of human emotion into hard data. (tags: internet sentiment_analysis)
A. Devitt, and K. Ahmad. Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics, page 984--991. Prague, Czech Republic, Association for Computational Linguistics, (June 2007)
M. Gamon. COLING '04: Proceedings of the 20th international conference on Computational Linguistics, page 841. Morristown, NJ, USA, Association for Computational Linguistics, (2004)
K. Ganesan, C. Zhai, and J. Han. Proceedings of the 23rd International Conference on Computational Linguistics (Coling 2010), page 340--348. Beijing, China, Coling 2010 Organizing Committee, (August 2010)
K. Ganesan, C. Zhai, and J. Han. Proceedings of the 23rd International Conference on Computational Linguistics (Coling 2010), page 340--348. Beijing, China, Coling 2010 Organizing Committee, (August 2010)
A. Ghose, P. Ipeirotis, and A. Sundararajan. Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics, page 416--423. Prague, Czech Republic, Association for Computational Linguistics, (June 2007)