Kea: Expression-level Sentiment Analysis from Twitter Data Ameeta Agrawal author Aijun An author 2013-06 text Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation (SemEval 2013) Suresh Manandhar editor Deniz Yuret editor Association for Computational Linguistics Atlanta, Georgia, USA conference publication agrawal-an-2013-kea https://aclanthology.org/S13-2088/ 2013-06 530 534