Aspect-Level Sentiment Analysis Via Convolution over Dependency Tree Kai Sun author Richong Zhang author Samuel Mensah author Yongyi Mao author Xudong Liu author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Kentaro Inui editor Jing Jiang editor Vincent Ng editor Xiaojun Wan editor Association for Computational Linguistics Hong Kong, China conference publication sun-etal-2019-aspect 10.18653/v1/D19-1569 https://aclanthology.org/D19-1569/ 2019-11 5679 5688