Phrasetable Smoothing for Statistical Machine Translation George Foster author Roland Kuhn author Howard Johnson author 2006-07 text Proceedings of the 2006 Conference on Empirical Methods in Natural Language Processing Dan Jurafsky editor Eric Gaussier editor Association for Computational Linguistics Sydney, Australia conference publication foster-etal-2006-phrasetable https://aclanthology.org/W06-1607/ 2006-07 53 61