ReINTEL Challenge 2020: A Multimodal Ensemble Model for Detecting Unreliable Information on Vietnamese SNS Manh Duc Tuan Nguyen author Quang Nhat Minh Pham 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-pham-2020-reintel https://aclanthology.org/2020.vlsp-1.8/ 2020-12 40 44