Open Domain Event Extraction Using Neural Latent Variable Models Xiao Liu author Heyan Huang author Yue Zhang 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 liu-etal-2019-open 10.18653/v1/P19-1276 https://aclanthology.org/P19-1276/ 2019-07 2860 2871