Annotating and Analyzing Semantic Role of Elementary Units and Relations in Online Persuasive Arguments Ryo Egawa author Gaku Morio author Katsuhide Fujita author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop Fernando Alva-Manchego editor Eunsol Choi editor Daniel Khashabi editor Association for Computational Linguistics Florence, Italy conference publication egawa-etal-2019-annotating 10.18653/v1/P19-2059 https://aclanthology.org/P19-2059/ 2019-07 422 428