Semantic Role Labeling with Iterative Structure Refinement Chunchuan Lyu author Shay B Cohen author Ivan Titov author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Kentaro Inui editor Jing Jiang editor Vincent Ng editor Xiaojun Wan editor Association for Computational Linguistics Hong Kong, China conference publication lyu-etal-2019-semantic 10.18653/v1/D19-1099 https://aclanthology.org/D19-1099/ 2019-11 1071 1082