Event Detection without Triggers Shulin Liu author Yang Li author Feng Zhang author Tao Yang author Xinpeng Zhou author 2019-06 text Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) Jill Burstein editor Christy Doran editor Thamar Solorio editor Association for Computational Linguistics Minneapolis, Minnesota conference publication liu-etal-2019-event 10.18653/v1/N19-1080 https://aclanthology.org/N19-1080/ 2019-06 735 744