Microsoft Research Treelet Translation System: NAACL 2006 Europarl Evaluation Arul Menezes author Kristina Toutanova author Chris Quirk author 2006-06 text Proceedings on the Workshop on Statistical Machine Translation Philipp Koehn editor Christof Monz editor Association for Computational Linguistics New York City conference publication menezes-etal-2006-microsoft https://aclanthology.org/W06-3124/ 2006-06 158 161