Syntax-Aware Opinion Role Labeling with Dependency Graph Convolutional Networks Bo Zhang author Yue Zhang author Rui Wang author Zhenghua Li author Min Zhang author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication zhang-etal-2020-syntax 10.18653/v1/2020.acl-main.297 https://aclanthology.org/2020.acl-main.297/ 2020-07 3249 3258