Boosting Low-Resource Biomedical QA via Entity-Aware Masking Strategies Gabriele Pergola author Elena Kochkina author Lin Gui author Maria Liakata author Yulan He 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 pergola-etal-2021-boosting 10.18653/v1/2021.eacl-main.169 https://aclanthology.org/2021.eacl-main.169/ 2021-04 1977 1985