Orthogonal Subspace Learning for Language Model Continual Learning Xiao Wang author Tianze Chen author Qiming Ge author Han Xia author Rong Bao author Rui Zheng author Qi Zhang author Tao Gui author Xuanjing Huang author 2023-12 text Findings of the Association for Computational Linguistics: EMNLP 2023 Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication wang-etal-2023-orthogonal 10.18653/v1/2023.findings-emnlp.715 https://aclanthology.org/2023.findings-emnlp.715/ 2023-12 10658 10671