Daniel Beck Andreas Vlachos 0001 Gustavo Paetzold Lucia Specia SHEF-MIME: Word-level Quality Estimation Using Imitation Learning. 772-776 2016 WMT https://doi.org/10.18653/v1/w16-2381 https://aclanthology.org/W16-2381/ conf/wmt/2016 db/conf/wmt/wmt2016.html#BeckVPS16