Vietnamese Relation Extraction with BERT-based Models at VLSP 2020 Thuật Nguyễn author Hiếu Mẫn author 2020-12 text Proceedings of the 7th International Workshop on Vietnamese Language and Speech Processing Huyen T M Nguyen editor Xuan-Son Vu editor Chi Mai Luong editor Association for Computational Lingustics Hanoi, Vietnam conference publication nguyen-man-2020-vietnamese https://aclanthology.org/2020.vlsp-1.6/ 2020-12 30 34