@inproceedings{qin-etal-2021-improving-federated, title = "Improving Federated Learning for Aspect-based Sentiment Analysis via Topic Memories", author = "Qin, Han and Chen, Guimin and Tian, Yuanhe and Song, Yan", editor = "Moens, Marie-Francine and Huang, Xuanjing and Specia, Lucia and Yih, Scott Wen-tau", booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing", month = nov, year = "2021", address = "Online and Punta Cana, Dominican Republic", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2021.emnlp-main.321/", doi = "10.18653/v1/2021.emnlp-main.321", pages = "3942--3954" }