Joint Aspect Extraction and Sentiment Analysis with Directional Graph Convolutional Networks Guimin Chen author Yuanhe Tian author Yan Song author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication chen-etal-2020-joint-aspect 10.18653/v1/2020.coling-main.24 https://aclanthology.org/2020.coling-main.24/ 2020-12 272 279