The University of Washington machine translation system for IWSLT 2009 Mei Yang author Amittai Axelrod author Kevin Duh author Katrin Kirchhoff author 2009-dec 1-2 text Proceedings of the 6th International Workshop on Spoken Language Translation: Evaluation Campaign Tokyo, Japan conference publication yang-etal-2009-university https://aclanthology.org/2009.iwslt-evaluation.19/ 2009-dec 1-2 124 128