GuardEmb: Dynamic Watermark for Safeguarding Large Language Model Embedding Service Against Model Stealing Attack Liaoyaqi Wang author Minhao Cheng author 2024-11 text Findings of the Association for Computational Linguistics: EMNLP 2024 Yaser Al-Onaizan editor Mohit Bansal editor Yun-Nung Chen editor Association for Computational Linguistics Miami, Florida, USA conference publication wang-cheng-2024-guardemb 10.18653/v1/2024.findings-emnlp.441 https://aclanthology.org/2024.findings-emnlp.441/ 2024-11 7518 7534