A Structured Span Selector Tianyu Liu author Yuchen Jiang author Ryan Cotterell author Mrinmaya Sachan author 2022-07 text Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Marine Carpuat editor Marie-Catherine de Marneffe editor Ivan Vladimir Meza Ruiz editor Association for Computational Linguistics Seattle, United States conference publication liu-etal-2022-structured 10.18653/v1/2022.naacl-main.189 https://aclanthology.org/2022.naacl-main.189/ 2022-07 2629 2641