Data Augmentation to Address Out of VocabularyProblem in Low Resource Sinhala English Neural Machine Translation Aloka Fernando author Surangika Ranathunga author 2021-11 text Proceedings of the 35th Pacific Asia Conference on Language, Information and Computation Kaibao Hu editor Jong-Bok Kim editor Chengqing Zong editor Emmanuele Chersoni editor Association for Computational Lingustics Shanghai, China conference publication fernando-ranathunga-2021-data https://aclanthology.org/2021.paclic-1.7/ 2021-11 61 70