David R Mortensen author Patrick Littell author Akash Bharadwaj author Kartik Goyal author Chris Dyer author Lori Levin author 2016-12 text Yuji Matsumoto editor Rashmi Prasad editor The COLING 2016 Organizing Committee Osaka, Japan conference publication mortensen-etal-2016-panphon https://aclanthology.org/C16-1328/ 2016-12 3475 3484