ERNIE-Gram: Pre-Training with Explicitly N-Gram Masked Language Modeling for Natural Language Understanding Dongling Xiao author Yu-Kun Li author Han Zhang author Yu Sun author Hao Tian author Hua Wu author Haifeng Wang author 2021-06 text Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kristina Toutanova editor Anna Rumshisky editor Luke Zettlemoyer editor Dilek Hakkani-Tur editor Iz Beltagy editor Steven Bethard editor Ryan Cotterell editor Tanmoy Chakraborty editor Yichao Zhou editor Association for Computational Linguistics Online conference publication xiao-etal-2021-ernie 10.18653/v1/2021.naacl-main.136 https://aclanthology.org/2021.naacl-main.136/ 2021-06 1702 1715