Dual Training and Dual Prediction for Polarity Classification Rui Xia author Tao Wang author Xuelei Hu author Shoushan Li author Chengqing Zong author 2013-08 text Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Hinrich Schuetze editor Pascale Fung editor Massimo Poesio editor Association for Computational Linguistics Sofia, Bulgaria conference publication xia-etal-2013-dual https://aclanthology.org/P13-2093/ 2013-08 521 525