LIG approach for IWSLT09 Fethi Bougares author Laurent Besacier author Hervé Blanchon author 2009-dec 1-2 text Proceedings of the 6th International Workshop on Spoken Language Translation: Evaluation Campaign Tokyo, Japan conference publication bougares-etal-2009-lig https://aclanthology.org/2009.iwslt-evaluation.9/ 2009-dec 1-2 60 64