YNU-HPCC at SemEval-2023 Task 6: LEGAL-BERT Based Hierarchical BiLSTM with CRF for Rhetorical Roles Prediction Yu Chen author You Zhang author Jin Wang author Xuejie Zhang 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 chen-etal-2023-ynu 10.18653/v1/2023.semeval-1.286 https://aclanthology.org/2023.semeval-1.286/ 2023-07 2075 2081