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Related papers: Mitigating the Privacy Issues in Retrieval-Augment…

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Recent advances in generating synthetic data that allow to add principled ways of protecting privacy -- such as Differential Privacy -- are a crucial step in sharing statistical information in a privacy preserving way. But while the focus…

Machine Learning · Statistics 2021-10-04 Christian Arnold , Marcel Neunhoeffer

High quality data is needed to unlock the full potential of AI for end users. However finding new sources of such data is getting harder: most publicly-available human generated data will soon have been used. Additionally, publicly…

Multimodal Retrieval-Augmented Generation (MRAG) systems enhance LMMs by integrating external multimodal databases, but introduce unexplored privacy vulnerabilities. While text-based RAG privacy risks have been studied, multimodal data…

Cryptography and Security · Computer Science 2025-05-21 Jiankun Zhang , Shenglai Zeng , Jie Ren , Tianqi Zheng , Hui Liu , Xianfeng Tang , Hui Liu , Yi Chang

Retrieval-Augmented Generation (RAG) systems are usually defined by the combination of a generator and a retrieval component that extracts textual context from a knowledge base to answer user queries. However, such basic implementations…

Computation and Language · Computer Science 2026-04-21 Pietro Ferrazzi , Milica Cvjeticanin , Alessio Piraccini , Davide Giannuzzi

We present \textbf{SymbioticRAG}, a novel framework that fundamentally reimagines Retrieval-Augmented Generation~(RAG) systems by establishing a bidirectional learning relationship between humans and machines. Our approach addresses two…

Information Retrieval · Computer Science 2025-05-06 Qiang Sun , Tingting Bi , Sirui Li , Eun-Jung Holden , Paul Duuring , Kai Niu , Wei Liu

The limited data availability due to strict privacy regulations and significant resource demands severely constrains biomedical time-series AI development, which creates a critical gap between data requirements and accessibility. Synthetic…

Machine Learning · Computer Science 2025-11-25 Youngjoon Lee , Seongmin Cho , Yehhyun Jo , Jinu Gong , Hyunjoo Jenny Lee , Joonhyuk Kang

Retrieval-Augmented Generation (RAG) offers a solution to mitigate hallucinations in Large Language Models (LLMs) by grounding their outputs to knowledge retrieved from external sources. The use of private resources and data in constructing…

Computation and Language · Computer Science 2025-02-10 Xiao Hu , Eric Liu , Weizhou Wang , Xiangyu Guo , David Lie

Machine learning heavily relies on data, but real-world applications often encounter various data-related issues. These include data of poor quality, insufficient data points leading to under-fitting of machine learning models, and…

Machine Learning · Computer Science 2025-04-07 Yingzhou Lu , Lulu Chen , Yuanyuan Zhang , Minjie Shen , Huazheng Wang , Xiao Wang , Capucine van Rechem , Tianfan Fu , Wenqi Wei

With the advancement of speech synthesis technology, users have higher expectations for the naturalness and expressiveness of synthesized speech. But previous research ignores the importance of prompt selection. This study proposes a…

Sound · Computer Science 2025-04-15 Dan Luo , Chengyuan Ma , Weiqin Li , Jun Wang , Wei Chen , Zhiyong Wu

The advance of Generative Adversarial Networks (GANs) enables realistic face image synthesis. However, synthesizing face images that preserve facial identity as well as have high diversity within each identity remains challenging. To…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Yujun Shen , Bolei Zhou , Ping Luo , Xiaoou Tang

Multi-modal retrieval-augmented generation (MRAG) systems retrieve visual evidence from large image corpora to ground the responses of large multi-modal models, yet the retrieved images frequently contain human faces whose identities…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zehua Cheng , Wei Dai , Jiahao Sun

We propose a new framework of synthesizing data using deep generative models in a differentially private manner. Within our framework, sensitive data are sanitized with rigorous privacy guarantees in a one-shot fashion, such that training…

Machine Learning · Computer Science 2022-03-09 Seng Pei Liew , Tsubasa Takahashi , Michihiko Ueno

Organizations seeking to utilize Large Language Models (LLMs) for knowledge querying and analysis often encounter challenges in maintaining an LLM fine-tuned on targeted, up-to-date information that keeps answers relevant and grounded.…

Retrieval-augmented generation (RAG) enhances factual grounding by integrating retrieval mechanisms with generative models but introduces new attack surfaces, particularly through backdoor attacks. While prior research has largely focused…

Information Retrieval · Computer Science 2025-09-29 Gaurav Bagwe , Saket S. Chaturvedi , Xiaolong Ma , Xiaoyong Yuan , Kuang-Ching Wang , Lan Zhang

Synthetic tabular data enables sharing and analysis of sensitive records, but its practical deployment requires balancing distributional fidelity, downstream utility, and privacy protection. We study a simple, model agnostic post processing…

Machine Learning · Computer Science 2026-02-09 David Yavo , Richard Khoury , Christophe Pere , Sadoune Ait Kaci Azzou

Synthetic data offers a promising solution to the privacy and accessibility challenges of using smart card data in public transport research. Despite rapid progress in generative modeling, there is limited attention to comprehensive…

Machine Learning · Computer Science 2025-10-29 Yuanyuan Wu , Zhenlin Qin , Zhenliang Ma

While data sharing is crucial for knowledge development, privacy concerns and strict regulation (e.g., European General Data Protection Regulation (GDPR)) unfortunately limit its full effectiveness. Synthetic tabular data emerges as an…

Machine Learning · Computer Science 2021-06-02 Zilong Zhao , Aditya Kunar , Hiek Van der Scheer , Robert Birke , Lydia Y. Chen

Generating synthetic data through generative models is gaining interest in the ML community and beyond. In the past, synthetic data was often regarded as a means to private data release, but a surge of recent papers explore how its…

Machine Learning · Computer Science 2023-04-10 Boris van Breugel , Mihaela van der Schaar

Recent advances in synthetic data generation (SDG) have been hailed as a solution to the difficult problem of sharing sensitive data while protecting privacy. SDG aims to learn statistical properties of real data in order to generate…

Machine Learning · Computer Science 2024-05-10 Meenatchi Sundaram Muthu Selva Annamalai , Andrea Gadotti , Luc Rocher

Generative modeling has been used frequently in synthetic data generation. Fairness and privacy are two big concerns for synthetic data. Although Recent GAN [\cite{goodfellow2014generative}] based methods show good results in preserving…

Machine Learning · Computer Science 2023-07-04 Weijie Xu , Jinjin Zhao , Francis Iannacci , Bo Wang