WACO: Word-Aligned Contrastive Learning for Speech Translation Siqi Ouyang author Rong Ye author Lei Li author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication ouyang-etal-2023-waco 10.18653/v1/2023.acl-long.216 https://aclanthology.org/2023.acl-long.216/ 2023-07 3891 3907