He, Xuanli, Qiongkai Xu, Lingjuan Lyu, Fangzhao Wu, and Chenguang Wang. “Protecting Intellectual Property of Language Generation APIs With Lexical Watermark”. Proceedings of the AAAI Conference on Artificial Intelligence 36, no. 10 (June 28, 2022): 10758-10766. Accessed September 22, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/21321.