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Related papers: Supercharging Federated Intelligence Retrieval

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Federated Recommendation (FR) emerges as a novel paradigm that enables privacy-preserving recommendations. However, traditional FR systems usually represent users/items with discrete identities (IDs), suffering from performance degradation…

Information Retrieval · Computer Science 2024-03-08 Huimin Zeng , Zhenrui Yue , Qian Jiang , Dong Wang

Federated representation learning (FRL) aims to learn personalized federated models with effective feature extraction from local data. FRL algorithms that share the majority of the model parameters face significant challenges with huge…

Machine Learning · Computer Science 2024-10-15 Haolin Yu , Guojun Zhang , Pascal Poupart

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by retrieving documents from an external corpus at inference time. When this corpus contains sensitive information, however, unprotected RAG systems are at risk of…

Machine Learning · Computer Science 2025-11-12 Ruihan Wu , Erchi Wang , Zhiyuan Zhang , Yu-Xiang Wang

Retrieval-Augmented Generation (RAG) enables large language models (LLMs) to access external knowledge sources, but the effectiveness of RAG relies on the coordination between the retriever and the generator. Since these components are…

Computation and Language · Computer Science 2025-09-24 Junlin Wang , Zehao Wu , Shaowei Lu , Yanlan Li , Xinghao Huang

Federated Learning (FL) is a distributed learning paradigm that enhances users privacy by eliminating the need for clients to share raw, private data with the server. Despite the success, recent studies expose the vulnerability of FL to…

Machine Learning · Computer Science 2023-12-15 Jing Wu , Munawar Hayat , Mingyi Zhou , Mehrtash Harandi

Retrieval-Augmented Generation (RAG) represents a transformative approach within natural language processing (NLP), combining neural information retrieval with generative language modeling to enhance both contextual accuracy and factual…

Information Retrieval · Computer Science 2025-11-20 Mohammad Usman Altam , Md Imtiaz Habib , Tuan Hoang

Although Retrieval-Augmented Generation (RAG) systems have been widely applied, the privacy and security risks they face, such as data leakage and data poisoning, have not been systematically addressed yet. Existing defense strategies…

Cryptography and Security · Computer Science 2025-08-05 Pengcheng Zhou , Yinglun Feng , Zhongliang Yang

In this study, we focus on the analysis of financial data in a federated setting, wherein data is distributed across multiple clients or locations, and the raw data never leaves the local devices. Our primary focus is not only on the…

Machine Learning · Computer Science 2025-04-30 Kun Yang , Nikhil Krishnan , Sanjeev R. Kulkarni

Large Language Models (LLMs) have revolutionized intelligent services by enabling logical reasoning, tool use, and interaction with external systems as agents. The advancement of LLMs is frequently hindered by the scarcity of high-quality…

Machine Learning · Computer Science 2024-12-12 Panlong Wu , Kangshuo Li , Junbao Nan , Fangxin Wang

Federated learning has recently emerged as a paradigm promising the benefits of harnessing rich data from diverse sources to train high quality models, with the salient features that training datasets never leave local devices. Only model…

Cryptography and Security · Computer Science 2022-02-07 Yifeng Zheng , Shangqi Lai , Yi Liu , Xingliang Yuan , Xun Yi , Cong Wang

Retrieval Augmented Generation (RAG) is a promising technique for mitigating two key limitations of large language models (LLMs): outdated information and hallucinations. RAG system stores documents as embedding vectors in a database. Given…

Information Retrieval · Computer Science 2026-02-10 Taehee Jeong , Xingzhe Zhao , Peizu Li , Markus Valvur , Weihua Zhao

Retrieval-augmented generation (RAG) extends large language models (LLMs) with external knowledge, but this access path also introduces security risks that existing work often conflates with inherent LLM flaws. We frame secure RAG as…

Cryptography and Security · Computer Science 2026-05-28 Yuming Xu , Mingtao Zhang , Zhuohan Ge , Haoyang Li , Nicole Hu , Yongqi Zhang , Zhiyuan Wen , Jason Chen Zhang , Qing Li , Lei Chen

Private data, being larger and quality-higher than public data, can greatly improve large language models (LLM). However, due to privacy concerns, this data is often dispersed in multiple silos, making its secure utilization for LLM…

Cryptography and Security · Computer Science 2024-12-24 JiaYing Zheng , HaiNan Zhang , LingXiang Wang , WangJie Qiu , HongWei Zheng , ZhiMing Zheng

Our paper introduces a novel approach to social network information retrieval and user engagement through a personalized chatbot system empowered by Federated Learning GPT. The system is designed to seamlessly aggregate and curate diverse…

Machine Learning · Computer Science 2024-08-13 Sai Puppala , Ismail Hossain , Md Jahangir Alam , Sajedul Talukder

Graph-based Retrieval-Augmented Generation (RAG) systems leverage interconnected knowledge structures to capture complex relationships that flat retrieval struggles with, enabling multi-hop reasoning. Yet most existing graph-based methods…

Federated Learning (FL) is a data-minimization approach enabling collaborative model training across diverse clients with local data, avoiding direct data exchange. However, state-of-the-art FL solutions to identify fraudulent financial…

Federated learning (FL) enables collaborative model training by aggregating local updates without requiring raw data sharing. However, prior studies have shown that servers can exploit gradient inversion to compromise user privacy or…

Cryptography and Security · Computer Science 2026-05-26 Yufei Zhou

While the flexible capabilities of large language models (LLMs) allow them to answer a range of queries based on existing learned knowledge, information retrieval to augment generation is an important tool to allow LLMs to answer questions…

Information Retrieval · Computer Science 2023-11-23 Guy Zyskind , Tobin South , Alex Pentland

Large language models (LLMs) achieve remarkable performance across domains but remain prone to hallucinations and inconsistencies. Retrieval-augmented generation (RAG) mitigates these issues by augmenting model inputs with relevant…

Machine Learning · Computer Science 2026-04-10 Akash Dhasade , Rachid Guerraoui , Anne-Marie Kermarrec , Diana Petrescu , Rafael Pires , Mathis Randl , Martijn de Vos

Retrieval-Augmented Generation (RAG) is a powerful technique for enhancing Large Language Models (LLMs) with external, up-to-date knowledge. Graph RAG has emerged as an advanced paradigm that leverages graph-based knowledge structures to…

Cryptography and Security · Computer Science 2025-08-26 Jiale Liu , Jiahao Zhang , Suhang Wang