CAISA at SemEval-2023 Task 8: Counterfactual Data Augmentation for Mitigating Class Imbalance in Causal Claim Identification Akbar Karimi author Lucie Flek 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 karimi-flek-2023-caisa 10.18653/v1/2023.semeval-1.292 https://aclanthology.org/2023.semeval-1.292/ 2023-07 2118 2123