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Watermarking acts as a critical safeguard in text generated by Large Language Models (LLMs). By embedding identifiable signals into model outputs, watermarking enables reliable attribution and enhances the security of machine-generated…

计算与语言 · 计算机科学 2026-05-29 Yukang Lin , Jiahao Shao , Shuoran Jiang , Wentao Zhu , Bingjie Lu , Xiangping Wu , Joanna Siebert , Qingcai Chen

We present the first in depth study on the robustness of existing watermarking techniques applied to code generated by large language models (LLMs). As LLMs increasingly contribute to software development, watermarking has emerged as a…

密码学与安全 · 计算机科学 2025-08-21 Tarun Suresh , Shubham Ugare , Gagandeep Singh , Sasa Misailovic

Watermarking large language models (LLMs) is vital for preventing their misuse, including the fabrication of fake news, plagiarism, and spam. It is especially important to watermark LLM-generated code, as it often contains intellectual…

密码学与安全 · 计算机科学 2025-12-18 Li Lin , Siyuan Xin , Yang Cao , Xiaochun Cao

Large language models (LLMs) can be trained or fine-tuned on data obtained without the owner's consent. Verifying whether a specific LLM was trained on particular data instances or an entire dataset is extremely challenging. Dataset…

计算与语言 · 计算机科学 2025-10-07 Eyal German , Sagiv Antebi , Edan Habler , Asaf Shabtai , Yuval Elovici

Text watermarking for large language models (LLMs) enables model owners to verify text origin and protect intellectual property. While watermarking methods for closed-source LLMs are relatively mature, extending them to open-source models…

密码学与安全 · 计算机科学 2025-10-29 Jiaqi Xue , Yifei Zhao , Mansour Al Ghanim , Shangqian Gao , Ruimin Sun , Qian Lou , Mengxin Zheng

Large language models (LLMs) are increasingly integrated into real-world personalized applications through retrieval-augmented generation (RAG) mechanisms to supplement their responses with domain-specific knowledge. However, the valuable…

密码学与安全 · 计算机科学 2025-05-26 Junfeng Guo , Yiming Li , Ruibo Chen , Yihan Wu , Chenxi Liu , Yanshuo Chen , Heng Huang

Large language models (LLMs) are pre-trained and post-trained on vast amounts of loosely curated data, raising the possibility that these models may have been trained on proprietary datasets or the same benchmarks used for evaluation. This…

机器学习 · 计算机科学 2026-05-11 Pengrun Huang , Kamalika Chaudhuri , Yu-Xiang Wang

Large language models (LLMs) have demonstrated powerful capabilities in both text understanding and generation. Companies have begun to offer Embedding as a Service (EaaS) based on these LLMs, which can benefit various natural language…

计算与语言 · 计算机科学 2023-06-05 Wenjun Peng , Jingwei Yi , Fangzhao Wu , Shangxi Wu , Bin Zhu , Lingjuan Lyu , Binxing Jiao , Tong Xu , Guangzhong Sun , Xing Xie

The radioactive nature of Large Language Model (LLM) watermarking enables the detection of watermarks inherited by student models when trained on the outputs of watermarked teacher models, making it a promising tool for preventing…

计算与语言 · 计算机科学 2025-05-27 Leyi Pan , Aiwei Liu , Shiyu Huang , Yijian Lu , Xuming Hu , Lijie Wen , Irwin King , Philip S. Yu

Watermarking for large language models (LLMs) offers a promising approach to identifying AI-generated text. Existing approaches, however, either compromise the distribution of original generated text by LLMs or are limited to embedding…

密码学与安全 · 计算机科学 2025-06-09 Ya Jiang , Chuxiong Wu , Massieh Kordi Boroujeny , Brian Mark , Kai Zeng

Watermarking of large language models (LLMs) generation embeds an imperceptible statistical pattern within texts, making it algorithmically detectable. Watermarking is a promising method for addressing potential harm and biases from LLMs,…

密码学与安全 · 计算机科学 2024-12-09 Lingjie Chen , Ruizhong Qiu , Siyu Yuan , Zhining Liu , Tianxin Wei , Hyunsik Yoo , Zhichen Zeng , Deqing Yang , Hanghang Tong

Text watermarking for Large Language Models (LLMs) has made significant progress in detecting LLM outputs and preventing misuse. Current watermarking techniques offer high detectability, minimal impact on text quality, and robustness to…

密码学与安全 · 计算机科学 2025-01-29 Aiwei Liu , Sheng Guan , Yiming Liu , Leyi Pan , Yifei Zhang , Liancheng Fang , Lijie Wen , Philip S. Yu , Xuming Hu

Existing watermarking methods for large language models (LLMs) mainly embed watermark by adjusting the token sampling prediction or post-processing, lacking intrinsic coupling with LLMs, which may significantly reduce the semantic quality…

密码学与安全 · 计算机科学 2025-10-17 Siyuan Bao , Ying Shi , Zhiguang Yang , Hanzhou Wu , Xinpeng Zhang

As LLMs become commonplace, machine-generated text has the potential to flood the internet with spam, social media bots, and valueless content. Watermarking is a simple and effective strategy for mitigating such harms by enabling the…

Large pre-trained language models (PLMs) have proven to be a crucial component of modern natural language processing systems. PLMs typically need to be fine-tuned on task-specific downstream datasets, which makes it hard to claim the…

计算与语言 · 计算机科学 2023-02-13 Chenxi Gu , Chengsong Huang , Xiaoqing Zheng , Kai-Wei Chang , Cho-Jui Hsieh

The growing deployment of Large Language Models (LLMs) has raised concerns about their misuse in generating harmful or deceptive content. To address this issue, watermarking methods have been proposed to embed identifiable multi-bit…

计算与语言 · 计算机科学 2026-05-12 Jiahao Xu , Rui Hu , Olivera Kotevska , Zikai Zhang

The advent of video-based Large Language Models (LLMs) has significantly enhanced video understanding. However, it has also raised some safety concerns regarding data protection, as videos can be more easily annotated, even without…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Jinmin Li , Kuofeng Gao , Yang Bai , Jingyun Zhang , Shu-Tao Xia

As open-source large language models (LLMs) like Llama3 become more capable, it is crucial to develop watermarking techniques to detect their potential misuse. Existing watermarking methods either add watermarks during LLM inference, which…

计算与语言 · 计算机科学 2025-03-18 Yijie Xu , Aiwei Liu , Xuming Hu , Lijie Wen , Hui Xiong

We investigate the radioactivity of text generated by large language models (LLM), i.e. whether it is possible to detect that such synthetic input was used to train a subsequent LLM. Current methods like membership inference or active IP…

密码学与安全 · 计算机科学 2024-10-29 Tom Sander , Pierre Fernandez , Alain Durmus , Matthijs Douze , Teddy Furon

The strong general capabilities of Large Language Models (LLMs) bring potential ethical risks if they are unrestrictedly accessible to malicious users. Token-level watermarking inserts watermarks in the generated texts by altering the token…

计算与语言 · 计算机科学 2023-11-17 Yuhang Li , Yihan Wang , Zhouxing Shi , Cho-Jui Hsieh