Enhanced Multi-Channel Graph Convolutional Network for Aspect Sentiment Triplet Extraction Hao Chen author Zepeng Zhai author Fangxiang Feng author Ruifan Li author Xiaojie Wang author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication chen-etal-2022-enhanced 10.18653/v1/2022.acl-long.212 https://aclanthology.org/2022.acl-long.212/ 2022-05 2974 2985