Word confidence estimation for speech translation L Besacier author B Lecouteux author N Q Luong author K Hour author M Hadjsalah author 2014-dec 4-5 text Proceedings of the 11th International Workshop on Spoken Language Translation: Papers Marcello Federico editor Sebastian Stüker editor François Yvon editor Lake Tahoe, California conference publication besacier-etal-2014-word https://aclanthology.org/2014.iwslt-papers.3/ 2014-dec 4-5 169 175