中文
相关论文

相关论文: Corpus Poisoning via Approximate Greedy Gradient D…

200 篇论文

The strategy of combining diffusion-based generative models with classifiers continues to demonstrate state-of-the-art performance on adversarial robustness benchmarks. Known as adversarial purification, this exploits a diffusion model's…

密码学与安全 · 计算机科学 2026-01-06 David D. Nguyen , The-Anh Ta , Yansong Gao , Alsharif Abuadbba

We present a systematic study of provider-side data poisoning in retrieval-augmented recommender systems (RAG-based). By modifying only a small fraction of tokens within item descriptions -- for instance, adding emotional keywords or…

信息检索 · 计算机科学 2025-05-09 Fatemeh Nazary , Yashar Deldjoo , Tommaso Di Noia , Eugenio Di Sciascio

Retrieval-augmented generation (RAG) is vulnerable to prompt injection attacks, in which an adversary inserts malicious documents containing carefully crafted injected prompts into the knowledge database. When a user issues a question…

密码学与安全 · 计算机科学 2026-05-04 Weifei Jin , Xilong Wang , Wei Zou , Jinyuan Jia , Neil Gong

Retrieval-Augmented Generation (RAG) has emerged as a powerful framework for knowledge-intensive tasks, yet its effectiveness in long-context scenarios is often bottlenecked by the retriever's inability to distinguish sparse yet crucial…

信息检索 · 计算机科学 2026-04-14 Hang Ding , Jiawei Zhou , Haiyun Jiang

Retrieval-augmented generation (RAG) increasingly underpins high-stakes applications, yet remains vulnerable to Confundo-style poisoning where adversarially optimized documents manipulate generated outputs. Existing defenses assume that…

密码学与安全 · 计算机科学 2026-05-27 Zhe Yu , Wenpeng Xing , Gaolei Li , Shuguang Xiong , Hongzhi Wang , Xuyang Teng , Meng Han

With the rapid development of large-scale language models, Retrieval-Augmented Generation (RAG) has been widely adopted. However, existing RAG paradigms are inevitably influenced by erroneous retrieval information, thereby reducing the…

信息检索 · 计算机科学 2024-05-30 Ridong Wu , Shuhong Chen , Xiangbiao Su , Yuankai Zhu , Yifei Liao , Jianming Wu

3D Gaussian Splatting (3DGS) is increasingly recognized as a powerful paradigm for real-time, high-fidelity 3D reconstruction. However, its per-scene optimization pipeline limits scalability and generalization, and prevents efficient…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Yiran Qiao , Yiren Lu , Yunlai Zhou , Rui Yang , Linlin Hou , Yu Yin , Jing Ma

Large language models (LLMs) inevitably exhibit hallucinations since the accuracy of generated texts cannot be secured solely by the parametric knowledge they encapsulate. Although retrieval-augmented generation (RAG) is a practicable…

计算与语言 · 计算机科学 2024-10-08 Shi-Qi Yan , Jia-Chen Gu , Yun Zhu , Zhen-Hua Ling

Retrieval-Augmented Generation (RAG) systems enhance response credibility and traceability by displaying reference contexts, but this transparency simultaneously introduces a novel black-box attack vector. Existing document poisoning…

计算与语言 · 计算机科学 2026-01-27 Runqi Sui

Agentic Retrieval-Augmented Generation (Agentic RAG) enhances the processing capability for complex tasks through dynamic retrieval and adaptive workflows. Recent advances (e.g., Search-R1) have shown that outcome-supervised reinforcement…

计算与语言 · 计算机科学 2025-10-08 Yongqi Leng , Yikun Lei , Xikai Liu , Meizhi Zhong , Bojian Xiong , Yurong Zhang , Yan Gao , Yi Wu , Yao Hu , Deyi Xiong

Retrieval-augmented generation (RAG) has demonstrated its ability to enhance Large Language Models (LLMs) by integrating external knowledge sources. However, multi-hop questions, which require the identification of multiple knowledge…

机器学习 · 计算机科学 2026-04-28 Yuchen Yan , Peiyan Zhang , Zhihua Liu , Hao Wang , Yatao Bian , Weiming Li , Xiaoshuai Hao

Neural networks are known to be susceptible to adversarial samples: small variations of natural examples crafted to deliberately mislead the models. While they can be easily generated using gradient-based techniques in digital and physical…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Haotian Xue , Alexandre Araujo , Bin Hu , Yongxin Chen

Gradient Ascent Pulse Engineering (GRAPE) is a popular technique in quantum optimal control, and can be combined with automatic differentiation (AD) to facilitate on-the-fly evaluation of cost-function gradients. We illustrate that the…

量子物理 · 物理学 2024-03-07 Yunwei Lu , Sandeep Joshi , Vinh San Dinh , Jens Koch

Learned indexes are a class of index data structures that enable fast search by approximating the cumulative distribution function (CDF) using machine learning models (Kraska et al., SIGMOD'18). However, recent studies have shown that…

机器学习 · 计算机科学 2026-03-03 Atsuki Sato , Martin Aumüller , Yusuke Matsui

As large language models (LLMs) become increasingly prevalent and integrated into autonomous systems, ensuring their safety is imperative. Despite significant strides toward safety alignment, recent work GCG~\citep{zou2023universal}…

计算与语言 · 计算机科学 2024-11-26 Zeyi Liao , Huan Sun

Machine learning has shown promise in network intrusion detection systems, yet its performance often degrades due to concept drift and imbalanced data. These challenges are compounded by the labor-intensive process of labeling network…

网络与互联网体系结构 · 计算机科学 2025-08-15 Ragini Gupta , Shinan Liu , Ruixiao Zhang , Xinyue Hu , Xiaoyang Wang , Hadjer Benkraouda , Pranav Kommaraju , Phuong Cao , Nick Feamster , Klara Nahrstedt

An evolving solution to address hallucination and enhance accuracy in large language models (LLMs) is Retrieval-Augmented Generation (RAG), which involves augmenting LLMs with information retrieved from an external knowledge source, such as…

计算与语言 · 计算机科学 2024-12-23 Derrick Quinn , Mohammad Nouri , Neel Patel , John Salihu , Alireza Salemi , Sukhan Lee , Hamed Zamani , Mohammad Alian

Retrieval Augmented Generation (RAG) is a technique commonly used to equip models with out of distribution knowledge. This process involves collecting, indexing, retrieving, and providing information to an LLM for generating responses.…

密码学与安全 · 计算机科学 2024-08-13 Gianluca De Stefano , Lea Schönherr , Giancarlo Pellegrino

The prevalence and success of Deep Neural Network (DNN) applications in recent years have motivated research on DNN compression, such as pruning and quantization. These techniques accelerate model inference, reduce power consumption, and…

机器学习 · 计算机科学 2022-06-16 Jonah O'Brien Weiss , Tiago Alves , Sandip Kundu

Retrieval-Augmented Generation (RAG) enables Large Language Models (LLMs) to generate grounded responses by leveraging external knowledge databases without altering model parameters. Although the absence of weight tuning prevents leakage…

密码学与安全 · 计算机科学 2025-07-01 Ali Naseh , Yuefeng Peng , Anshuman Suri , Harsh Chaudhari , Alina Oprea , Amir Houmansadr
‹ 上一页 1 8 9 10 下一页 ›