Improved relation classification by deep recurrent neural networks with data augmentation Yan Xu author Ran Jia author Lili Mou author Ge Li author Yunchuan Chen author Yangyang Lu author Zhi Jin author 2016-12 text Proceedings of COLING 2016, the 26th International Conference on Computational Linguistics: Technical Papers Yuji Matsumoto editor Rashmi Prasad editor The COLING 2016 Organizing Committee Osaka, Japan conference publication xu-etal-2016-improved https://aclanthology.org/C16-1138/ 2016-12 1461 1470