Zhang, T., Ye, W., Yang, B., Zhang, L., Ren, X., Liu, D., Sun, J., Zhang, S., Zhang, H. and Zhao, W. (2022) “Frequency-Aware Contrastive Learning for Neural Machine Translation”, Proceedings of the AAAI Conference on Artificial Intelligence, 36(10), pp. 11712-11720. doi: 10.1609/aaai.v36i10.21426.