An Empirical Study of Span Representations in Argumentation Structure Parsing Tatsuki Kuribayashi author Hiroki Ouchi author Naoya Inoue author Paul Reisert author Toshinori Miyoshi author Jun Suzuki author Kentaro Inui 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 kuribayashi-etal-2019-empirical 10.18653/v1/P19-1464 https://aclanthology.org/P19-1464/ 2019-07 4691 4698