ReINTEL Challenge 2020: Vietnamese Fake News Detection usingEnsemble Model with PhoBERT embeddings Thuan Nguyen Hieu author Hieu Cao Nguyen Minh author Hung To Van author Bang Vo Quoc 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 hieu-etal-2020-reintel https://aclanthology.org/2020.vlsp-1.1/ 2020-12 1 5