Hidden Biases in Unreliable News Detection Datasets Xiang Zhou author Heba Elfardy author Christos Christodoulopoulos author Thomas Butler author Mohit Bansal author 2021-04 text Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume Paola Merlo editor Jorg Tiedemann editor Reut Tsarfaty editor Association for Computational Linguistics Online conference publication zhou-etal-2021-hidden 10.18653/v1/2021.eacl-main.211 https://aclanthology.org/2021.eacl-main.211/ 2021-04 2482 2492