Towards a Universal Sentiment Classifier in Multiple languages Kui Xu author Xiaojun Wan author 2017-09 text Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing Martha Palmer editor Rebecca Hwa editor Sebastian Riedel editor Association for Computational Linguistics Copenhagen, Denmark conference publication xu-wan-2017-towards 10.18653/v1/D17-1053 https://aclanthology.org/D17-1053/ 2017-09 511 520