Morphemes and POS tags for n-gram based evaluation metrics Maja Popović author 2011-07 text Proceedings of the Sixth Workshop on Statistical Machine Translation Chris Callison-Burch editor Philipp Koehn editor Christof Monz editor Omar F Zaidan editor Association for Computational Linguistics Edinburgh, Scotland conference publication popovic-2011-morphemes https://aclanthology.org/W11-2110/ 2011-07 104 107