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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…

Computation and Language · Computer Science 2023-02-13 Chenxi Gu , Chengsong Huang , Xiaoqing Zheng , Kai-Wei Chang , Cho-Jui Hsieh

With the application of vertical domain pre-trained language models (VPLMs) in specialized fields such as medical, finance, and law, model parameters and inference capabilities have become important digital assets. Achieving traceable…

Cryptography and Security · Computer Science 2026-05-05 Cong Kong , Xin Cheng , Zhaoxia Yin , Shuai Li , Jie Zhang , Weiming Zhang

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…

Computation and Language · Computer Science 2023-06-05 Wenjun Peng , Jingwei Yi , Fangzhao Wu , Shangxi Wu , Bin Zhu , Lingjuan Lyu , Binxing Jiao , Tong Xu , Guangzhong Sun , Xing Xie

Large Language Models (LLMs) have experienced rapid advancements, with applications spanning a wide range of fields, including sentiment classification, review generation, and question answering. Due to their efficiency and versatility,…

Cryptography and Security · Computer Science 2025-06-17 Yugeng Liu , Tianshuo Cong , Michael Backes , Zheng Li , Yang Zhang

Recent advances in vision-language pre-trained models (VLPs) have significantly increased visual understanding and cross-modal analysis capabilities. Companies have emerged to provide multi-modal Embedding as a Service (EaaS) based on VLPs…

Cryptography and Security · Computer Science 2023-11-13 Yuanmin Tang , Jing Yu , Keke Gai , Xiangyan Qu , Yue Hu , Gang Xiong , Qi Wu

To support various applications, a prevalent and efficient approach for business owners is leveraging their valuable datasets to fine-tune a pre-trained LLM through the API provided by LLM owners or cloud servers. However, this process…

Cryptography and Security · Computer Science 2024-06-06 Shen Li , Liuyi Yao , Jinyang Gao , Lan Zhang , Yaliang Li

Pre-trained language models (PLMs) have been the de facto paradigm for most natural language processing (NLP) tasks. This also benefits biomedical domain: researchers from informatics, medicine, and computer science (CS) communities propose…

Computation and Language · Computer Science 2023-07-18 Benyou Wang , Qianqian Xie , Jiahuan Pei , Zhihong Chen , Prayag Tiwari , Zhao Li , Jie fu

Large Language Models (LLMs) have demonstrated remarkable capabilities, but their training requires extensive data and computational resources, rendering them valuable digital assets. Therefore, it is essential to watermark LLMs to protect…

Cryptography and Security · Computer Science 2025-10-21 Shuai Li , Kejiang Chen , Jun Jiang , Jie Zhang , Qiyi Yao , Kai Zeng , Weiming Zhang , Nenghai Yu

The rapid growth of Large Language Models (LLMs) has highlighted the pressing need for reliable mechanisms to verify content ownership and ensure traceability. Watermarking offers a promising path forward, but it remains limited by privacy…

Cryptography and Security · Computer Science 2026-01-21 Thomas Fargues , Ye Dong , Tianwei Zhang , Jin-Song Dong

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…

Machine Learning · Computer Science 2026-05-11 Pengrun Huang , Kamalika Chaudhuri , Yu-Xiang Wang

With the development of deep learning, high-value and high-cost models have become valuable assets, and related intellectual property protection technologies have become a hot topic. However, existing model watermarking work in black-box…

Cryptography and Security · Computer Science 2024-04-16 Na Zhao , Kejiang Chen , Weiming Zhang , Nenghai Yu

The huge supporting training data on the Internet has been a key factor in the success of deep learning models. However, this abundance of public-available data also raises concerns about the unauthorized exploitation of datasets for…

Cryptography and Security · Computer Science 2023-04-11 Ruixiang Tang , Qizhang Feng , Ninghao Liu , Fan Yang , Xia Hu

In recent trends, one can observe Large Language Models (LLMs) are exposed to backdoor attacks where vicious triggers added during training or model editing to elicit harmful outputs on specific input patterns while maintaining clean…

Cryptography and Security · Computer Science 2026-05-14 Jagadeesh Rachapudi , Ritali Vatsi , Pranav Singh , Praful Hambarde , Amit Shukla

Pre-trained Large Language Models (LLMs) often struggle on out-of-domain datasets like healthcare focused text. We explore specialized pre-training to adapt smaller LLMs to different healthcare datasets. Three methods are assessed:…

Computation and Language · Computer Science 2024-04-01 Niall Taylor , Dan Schofield , Andrey Kormilitzin , Dan W Joyce , Alejo Nevado-Holgado

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…

Cryptography and Security · Computer Science 2025-10-29 Jiaqi Xue , Yifei Zhao , Mansour Al Ghanim , Shangqian Gao , Ruimin Sun , Qian Lou , Mengxin Zheng

Large language models (LLMs) have demonstrated outstanding performance, making them valuable digital assets with significant commercial potential. Unfortunately, the LLM and its API are susceptible to intellectual property theft.…

Cryptography and Security · Computer Science 2024-07-25 Shuai Li , Kejiang Chen , Kunsheng Tang , Jie Zhang , Weiming Zhang , Nenghai Yu , Kai Zeng

Recent years have witnessed tremendous success in Self-Supervised Learning (SSL), which has been widely utilized to facilitate various downstream tasks in Computer Vision (CV) and Natural Language Processing (NLP) domains. However,…

Cryptography and Security · Computer Science 2024-01-30 Peizhuo Lv , Pan Li , Shenchen Zhu , Shengzhi Zhang , Kai Chen , Ruigang Liang , Chang Yue , Fan Xiang , Yuling Cai , Hualong Ma , Yingjun Zhang , Guozhu Meng

The rapid advancement of large language models (LLMs) has raised concerns regarding their potential misuse, particularly in generating fake news and misinformation. To address these risks, watermarking techniques for autoregressive language…

Cryptography and Security · Computer Science 2025-06-24 Koichi Nagatsuka , Terufumi Morishita , Yasuhiro Sogawa

Model merging is a promising lightweight model empowerment technique that does not rely on expensive computing devices (e.g., GPUs) or require the collection of specific training data. Instead, it involves editing different upstream model…

Cryptography and Security · Computer Science 2024-11-05 Tianshuo Cong , Delong Ran , Zesen Liu , Xinlei He , Jinyuan Liu , Yichen Gong , Qi Li , Anyu Wang , Xiaoyun Wang

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…

Computation and Language · Computer Science 2026-05-29 Yukang Lin , Jiahao Shao , Shuoran Jiang , Wentao Zhu , Bingjie Lu , Xiangping Wu , Joanna Siebert , Qingcai Chen
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