Cross-Sentence N-ary Relation Extraction using Lower-Arity Universal Schemas Kosuke Akimoto author Takuya Hiraoka author Kunihiko Sadamasa author Mathias Niepert 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 akimoto-etal-2019-cross 10.18653/v1/D19-1645 https://aclanthology.org/D19-1645/ 2019-11 6225 6231