Di Jiang author Lei Shi author Rongzhong Lian author Hua Wu author 2016-12 text Yuji Matsumoto editor Rashmi Prasad editor The COLING 2016 Organizing Committee Osaka, Japan conference publication jiang-etal-2016-latent https://aclanthology.org/C16-1253/ 2016-12 2689 2698