Exploring Optimism and Pessimism in Twitter Using Deep Learning Cornelia Caragea author Liviu P Dinu author Bogdan Dumitru author 2018-oct-nov text Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing Ellen Riloff editor David Chiang editor Julia Hockenmaier editor Jun’ichi Tsujii editor Association for Computational Linguistics Brussels, Belgium conference publication caragea-etal-2018-exploring 10.18653/v1/D18-1067 https://aclanthology.org/D18-1067/ 2018-oct-nov 652 658