OssCSE: Overcoming Surface Structure Bias in Contrastive Learning for Unsupervised Sentence Embedding Zhan Shi author Guoyin Wang author Ke Bai author Jiwei Li author Xiang Li author Qingjun Cui author Belinda Zeng author Trishul Chilimbi author Xiaodan Zhu author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication shi-etal-2023-osscse 10.18653/v1/2023.emnlp-main.448 https://aclanthology.org/2023.emnlp-main.448/ 2023-12 7242 7254