A combination of hierarchical systems with forced alignments from phrase-based systems Carmen Heger author Joern Wuebker author David Vilar author Hermann Ney author 2010-dec 2-3 text Proceedings of the 7th International Workshop on Spoken Language Translation: Papers Paris, France conference publication heger-etal-2010-combination https://aclanthology.org/2010.iwslt-papers.11/ 2010-dec 2-3 291 297