An Empirical Study on Uncertainty Identification in Social Media Context Zhongyu Wei author Junwen Chen author Wei Gao author Binyang Li author Lanjun Zhou author Yulan He author Kam-Fai Wong 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 wei-etal-2013-empirical https://aclanthology.org/P13-2011/ 2013-08 58 62