A Primer in BERTology: What We Know About How BERT Works Anna Rogers author Olga Kovaleva author Anna Rumshisky author 2020 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal rogers-etal-2020-primer 10.1162/tacl_a_00349 https://aclanthology.org/2020.tacl-1.54/ 2020 8 842 866