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Embedding-as-a-Service (EaaS) has become an important semantic infrastructure for natural language and multimedia applications, but it is highly vulnerable to model stealing and copyright infringement. Existing EaaS watermarking methods…

Cryptography and Security · Computer Science 2026-04-14 Zhimin Chen , Xiaojie Liang , Wenbo Xu , Yuxuan Liu , Wei Lu

Benefiting from the superior capabilities of large language models in natural language understanding and generation, Embeddings-as-a-Service (EaaS) has emerged as a successful commercial paradigm on the web platform. However, prior studies…

Cryptography and Security · Computer Science 2025-12-19 Hao Li , Yubing Ren , Yanan Cao , Yingjie Li , Fang Fang , Xuebin Wang

Embeddings as a Service (EaaS) is emerging as a crucial role in AI applications. Unfortunately, EaaS is vulnerable to model extraction attacks, highlighting the urgent need for copyright protection. Although some preliminary works propose…

Computation and Language · Computer Science 2025-05-22 Zongqi Wang , Baoyuan Wu , Jingyuan Deng , Yujiu Yang

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

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

Embeddings-as-a-Service (EaaS) is a service offered by large language model (LLM) developers to supply embeddings generated by LLMs. Previous research suggests that EaaS is prone to imitation attacks -- attacks that clone the underlying…

Cryptography and Security · Computer Science 2025-06-03 Anudeex Shetty , Qiongkai Xu , Jey Han Lau

Embedding as a Service (EaaS) has become a widely adopted solution, which offers feature extraction capabilities for addressing various downstream tasks in Natural Language Processing (NLP). Prior studies have shown that EaaS can be prone…

Cryptography and Security · Computer Science 2024-06-11 Anudeex Shetty , Yue Teng , Ke He , Qiongkai Xu

Large Language Models (LLMs) have demonstrated exceptional capabilities in natural language understanding and generation. Based on these LLMs, businesses have started to provide Embeddings-as-a-Service (EaaS), offering feature extraction…

Computation and Language · Computer Science 2025-12-04 Anudeex Shetty

Embedding-as-a-Service (EaaS) has emerged as a successful business pattern but faces significant challenges related to various forms of copyright infringement, particularly, the API misuse and model extraction attacks. Various studies have…

Cryptography and Security · Computer Science 2025-02-18 Zekun Fei , Biao Yi , Jianing Geng , Ruiqi He , Lihai Nie , Zheli Liu

Feature embedding has become a cornerstone technology for processing high-dimensional and complex data, which results in that Embedding as a Service (EaaS) models have been widely deployed in the cloud. To protect the intellectual property…

Cryptography and Security · Computer Science 2026-04-01 Hongjie Zhang , Zhiqi Zhao , Hanzhou Wu , Zhihua Xia , Athanasios V. Vasilakos

With the rise of Machine Learning as a Service (MLaaS) platforms,safeguarding the intellectual property of deep learning models is becoming paramount. Among various protective measures, trigger set watermarking has emerged as a flexible and…

Cryptography and Security · Computer Science 2024-04-23 Hongyu Zhu , Sichu Liang , Wentao Hu , Fangqi Li , Ju Jia , Shilin Wang

As a valuable digital product, deep neural networks (DNNs) face increasingly severe threats to the intellectual property, making it necessary to develop effective technical measures to protect them. Trigger-based watermarking methods…

Cryptography and Security · Computer Science 2025-10-27 Chaoyue Huang , Gejian Zhao , Hanzhou Wu , Zhihua Xia , Asad Malik

Recent years have witnessed the prosperous development of Graph Self-supervised Learning (GSSL), which enables to pre-train transferable foundation graph encoders. However, the easy-to-plug-in nature of such encoders makes them vulnerable…

Cryptography and Security · Computer Science 2024-12-10 Xiangyu Zhao , Hanzhou Wu , Xinpeng Zhang

In recent years, there has been significant advancement in the field of model watermarking techniques. However, the protection of image-processing neural networks remains a challenge, with only a limited number of methods being developed.…

Cryptography and Security · Computer Science 2023-02-20 Huajie Chen , Tianqing Zhu , Chi Liu , Shui Yu , Wanlei Zhou

Substantial research works have shown that deep models, e.g., pre-trained models, on the large corpus can learn universal language representations, which are beneficial for downstream NLP tasks. However, these powerful models are also…

Cryptography and Security · Computer Science 2024-07-16 Yixin Liu , Hongsheng Hu , Xun Chen , Xuyun Zhang , Lichao Sun

Deep neural networks have recently achieved significant progress. Sharing trained models of these deep neural networks is very important in the rapid progress of researching or developing deep neural network systems. At the same time, it is…

Computer Vision and Pattern Recognition · Computer Science 2018-02-07 Yusuke Uchida , Yuki Nagai , Shigeyuki Sakazawa , Shin'ichi Satoh

The widespread use of Large Language Models (LLMs) in text generation has raised increasing concerns about intellectual property disputes. Watermarking techniques, which embed meta information into AI-generated content (AIGC), have the…

Cryptography and Security · Computer Science 2026-04-15 Shangkun Che , Silin Du , Ge Gao

Watermarking is an important copyright protection technology which generally embeds the identity information into the carrier imperceptibly. Then the identity can be extracted to prove the copyright from the watermarked carrier even after…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Sulong Ge , Zhihua Xia , Jianwei Fei , Xingming Sun , Jian Weng

Machine learning as a service (MLaaS), and algorithm marketplaces are on a rise. Data holders can easily train complex models on their data using third party provided learning codes. Training accurate ML models requires massive labeled data…

Machine Learning · Computer Science 2020-03-24 Congzheng Song , Reza Shokri

Watermarking for large language models (LLMs) is a promising approach for detecting LLM-generated text and enabling responsible deployment. However, existing watermarking methods are often vulnerable to semantic-invariant attacks, such as…

Cryptography and Security · Computer Science 2026-05-26 Zhenxin Ai , Haiyun He
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