Long-distance hierarchical structure transformation rules utilizing function words Chenchen Ding author Takashi Inui author Mikio Yamamoto author 2011-dec 8-9 text Proceedings of the 8th International Workshop on Spoken Language Translation: Evaluation Campaign Marcello Federico editor Mei-Yuh Hwang editor Margit Rödder editor Sebastian Stüker editor San Francisco, California conference publication ding-etal-2011-long https://aclanthology.org/2011.iwslt-evaluation.21/ 2011-dec 8-9 159 166