Target-Guided Structured Attention Network for Target-Dependent Sentiment Analysis Ji Zhang author Chengyao Chen author Pengfei Liu author Chao He author Cane Wing-Ki Leung author 2020 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal zhang-etal-2020-target 10.1162/tacl_a_00308 https://aclanthology.org/2020.tacl-1.12/ 2020 8 172 182