Graph Transformer Networks with Syntactic and Semantic Structures for Event Argument Extraction Amir Pouran Ben Veyseh author Tuan Ngo Nguyen author Thien Huu Nguyen author 2020-11 text Findings of the Association for Computational Linguistics: EMNLP 2020 Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication pouran-ben-veyseh-etal-2020-graph 10.18653/v1/2020.findings-emnlp.326 https://aclanthology.org/2020.findings-emnlp.326/ 2020-11 3651 3661