Lemmatic Machine Translation Stephen Soderland author Christopher Lim author Mausam author Bo Qin author Oren Etzioni author Jonathan Pool author 2009-aug 26-30 text Proceedings of Machine Translation Summit XII: Papers Ottawa, Canada conference publication soderland-etal-2009-lemmatic https://aclanthology.org/2009.mtsummit-papers.15/ 2009-aug 26-30