NADE: A Benchmark for Robust Adverse Drug Events Extraction in Face of Negations Simone Scaboro author Beatrice Portelli author Emmanuele Chersoni author Enrico Santus author Giuseppe Serra author 2021-11 text Proceedings of the Seventh Workshop on Noisy User-generated Text (W-NUT 2021) Wei Xu editor Alan Ritter editor Tim Baldwin editor Afshin Rahimi editor Association for Computational Linguistics Online conference publication scaboro-etal-2021-nade 10.18653/v1/2021.wnut-1.26 https://aclanthology.org/2021.wnut-1.26/ 2021-11 230 237