text: Matt Crane. 2018. Questionable Answers in Ques- 
  tion Answering Research: Reproducibility and 
  Variability of Published Results. Transactions of 
  the Association for Computational Linguistics, 
  6:241–252. 
  
  Tianlong Chen, Jonathan Frankle, Shiyu Chang, 
  Sijia Liu, Yang Zhang, Zhangyang Wang, and 
  Michael Carbin. 2020. The Lottery Ticket 
  Hypothesis for Pre-trained BERT Networks. 
  arXiv:2007.12223 [cs, stat]. 
  Leyang Cui, Sijie Cheng, Yu Wu, and Yue Zhang. 
  2020. Does BERT Solve Commonsense Task via 
  Commonsense Knowledge? arXiv:2008.03945 
  [cs]. 
  
  Yiming Cui, Wanxiang Che, Ting Liu, Bing Qin, 
  Ziqing Yang, Shijin Wang, and Guoping Hu. 
  2019. Pre-Training with Whole Word Masking 
  for Chinese BERT. arXiv:1906.08101 [cs]. 
  
  Xingyi Cheng, Weidi Xu, Kunlong Chen, Wei 
  Wang, Bin Bi, Ming Yan, Chen Wu, Luo Si, Wei 
  Chu, and Taifeng Wang. 2019. Symmetric Reg- 
  ularization based BERT for Pair-Wise Semantic 
  Reasoning. arXiv:1909.03405 [cs]. 