PAI at SemEval-2023 Task 4: A General Multi-label Classification System with Class-balanced Loss Function and Ensemble Module Long Ma author Zeye Sun author Jiawei Jiang author Xuan Li author 2023-07 text Proceedings of the 17th International Workshop on Semantic Evaluation (SemEval-2023) Atul Kr. Ojha editor A Seza Doğruöz editor Giovanni Da San Martino editor Harish Tayyar Madabushi editor Ritesh Kumar editor Elisa Sartori editor Association for Computational Linguistics Toronto, Canada conference publication ma-etal-2023-pai 10.18653/v1/2023.semeval-1.34 https://aclanthology.org/2023.semeval-1.34/ 2023-07 256 261