@inproceedings{morio-etal-2022-hitachi, title = "Hitachi at {S}em{E}val-2022 Task 10: Comparing Graph- and {S}eq2{S}eq-based Models Highlights Difficulty in Structured Sentiment Analysis", author = "Morio, Gaku and Ozaki, Hiroaki and Yamaguchi, Atsuki and Sogawa, Yasuhiro", editor = "Emerson, Guy and Schluter, Natalie and Stanovsky, Gabriel and Kumar, Ritesh and Palmer, Alexis and Schneider, Nathan and Singh, Siddharth and Ratan, Shyam", booktitle = "Proceedings of the 16th International Workshop on Semantic Evaluation (SemEval-2022)", month = jul, year = "2022", address = "Seattle, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest_wac_2008/2022.semeval-1.188/", doi = "10.18653/v1/2022.semeval-1.188", pages = "1349--1359" }