USNA: A Dual-Classifier Approach to Contextual Sentiment Analysis Ganesh Harihara author Eugene Yang author Nathanael Chambers 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 harihara-etal-2013-usna https://aclanthology.org/S13-2064/ 2013-06 390 394