Cost-sensitive Regularization for Label Confusion-aware Event Detection Hongyu Lin author Yaojie Lu author Xianpei Han author Le Sun author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication lin-etal-2019-cost 10.18653/v1/P19-1521 https://aclanthology.org/P19-1521/ 2019-07 5278 5283