SimCSE++: Improving Contrastive Learning for Sentence Embeddings from Two Perspectives Jiahao Xu author Wei Shao author Lihui Chen author Lemao Liu 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 xu-etal-2023-simcse 10.18653/v1/2023.emnlp-main.737 https://aclanthology.org/2023.emnlp-main.737/ 2023-12 12028 12040