  This paper proposed several transformer-based approaches for Reliable
Intelligence Identification on Vietnamese social network sites at VLSP 2020
evaluation campaign. We exploit both of monolingual and multilingual
pre-trained models. Besides, we utilize the ensemble method to improve the
robustness of different approaches. Our team achieved a score of 0.9378 at
ROC-AUC metric in the private test set which is competitive to other
participants.
