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Despite the impressive advancements of Large Language Models (LLMs) in generating text, they are often limited by the knowledge contained in the input and prone to producing inaccurate or hallucinated content. To tackle these issues,…

信息检索 · 计算机科学 2024-05-29 Yu Wang , Nedim Lipka , Ruiyi Zhang , Alexa Siu , Yuying Zhao , Bo Ni , Xin Wang , Ryan Rossi , Tyler Derr

Large language models (LLMs) achieve optimal utility when their responses are grounded in external knowledge sources. However, real-world documents, such as annual reports, scientific papers, and clinical guidelines, frequently combine…

信息检索 · 计算机科学 2025-12-17 Chi Zhang , Qiyang Chen , Mengqi Zhang

The increasing use of large language models (LLMs) trained by third parties raises significant security concerns. In particular, malicious actors can introduce backdoors through poisoning attacks to generate undesirable outputs. While such…

密码学与安全 · 计算机科学 2024-07-19 Shuli Jiang , Swanand Ravindra Kadhe , Yi Zhou , Farhan Ahmed , Ling Cai , Nathalie Baracaldo

Retrieval-Augmented Generation (RAG) is an effective solution to supplement necessary knowledge to large language models (LLMs). Targeting its bottleneck of retriever performance, "generate-then-read" pipeline is proposed to replace the…

计算与语言 · 计算机科学 2024-06-07 Wei Tang , Yixin Cao , Jiahao Ying , Bo Wang , Yuyue Zhao , Yong Liao , Pengyuan Zhou

Retrieval Augmented Generation (RAG) frameworks have shown significant promise in leveraging external knowledge to enhance the performance of large language models (LLMs). However, conventional RAG methods often retrieve documents based…

计算与语言 · 计算机科学 2025-04-02 Pouya Pezeshkpour , Estevam Hruschka

The complexity of modern computing environments and the growing sophistication of cyber threats necessitate a more robust, adaptive, and automated approach to security enforcement. In this paper, we present a framework leveraging large…

密码学与安全 · 计算机科学 2025-06-06 Pablo Fernández Saura , K. R. Jayaram , Vatche Isahagian , Jorge Bernal Bernabé , Antonio Skarmeta

Retrieval-Augmented Generation (RAG) is a prevalent approach to infuse a private knowledge base of documents with Large Language Models (LLM) to build Generative Q\&A (Question-Answering) systems. However, RAG accuracy becomes increasingly…

信息检索 · 计算机科学 2025-03-10 Kunal Sawarkar , Abhilasha Mangal , Shivam Raj Solanki

Natural Language Processing and Generation systems have recently shown the potential to complement and streamline the costly and time-consuming job of professional fact-checkers. In this work, we lift several constraints of current…

计算与语言 · 计算机科学 2025-10-30 Daniel Russo , Stefano Menini , Jacopo Staiano , Marco Guerini

Retrieval-Augmented Generation (RAG) architectures have recently garnered significant attention for their ability to improve truth grounding and coherence in natural language processing tasks. However, the reliability of RAG systems in…

计算与语言 · 计算机科学 2024-12-04 Joel Suro

A Comparison of Independent and Joint Fine-tuning Strategies for Retrieval-Augmented Generation Download PDF Neal Gregory Lawton, Alfy Samuel, Anoop Kumar, Daben Liu Published: 20 Aug 2025, Retrieval augmented generation (RAG) is a popular…

计算与语言 · 计算机科学 2025-10-21 Neal Gregory Lawton , Alfy Samuel , Anoop Kumar , Daben Liu

Large language models (LLMs) have shown remarkable capabilities in natural language processing tasks, yet their application in hardware security verification remains limited due to scarcity of publicly available hardware description…

密码学与安全 · 计算机科学 2026-03-09 Touseef Hasan , Blessing Airehenbuwa , Nitin Pundir , Souvika Sarkar , Ujjwal Guin

Retrieval-Augmented Generation (RAG), which integrates external knowledge into Large Language Models (LLMs), has proven effective in enabling LLMs to produce more accurate and reliable responses. However, it remains a significant challenge…

计算与语言 · 计算机科学 2025-02-11 Yan Weng , Fengbin Zhu , Tong Ye , Haoyan Liu , Fuli Feng , Tat-Seng Chua

This paper addresses the critical challenge of deriving interpretable confidence scores from generative language models (LLMs) when applied to multi-label content safety classification. While models like LLaMA Guard are effective for…

计算与语言 · 计算机科学 2025-12-01 Anjaneya Praharaj , Jaykumar Kasundra

Document understanding is critical for applications from financial analysis to scientific discovery. Current approaches, whether OCR-based pipelines feeding Large Language Models (LLMs) or native Multimodal LLMs (MLLMs), face key…

Nowadays, powerful large language models (LLMs) such as ChatGPT have demonstrated revolutionary power in a variety of tasks. Consequently, the detection of machine-generated texts (MGTs) is becoming increasingly crucial as LLMs become more…

密码学与安全 · 计算机科学 2024-01-17 Xinlei He , Xinyue Shen , Zeyuan Chen , Michael Backes , Yang Zhang

Retrieval-Augmented Generation (RAG) improves Large Language Models (LLMs) by retrieving supporting documents into the prompt, but existing methods do not explicitly target queries that require fetching multiple documents with substantially…

Retrieval-Augmented Generation (RAG) has become a primary technique for mitigating hallucinations in large language models (LLMs). However, incomplete knowledge extraction and insufficient understanding can still mislead LLMs to produce…

计算与语言 · 计算机科学 2025-06-30 Haichuan Hu , Congqing He , Xiaochen Xie , Quanjun Zhang

With the increasing adoption of large language models (LLMs), ensuring the safety of LLM systems has become a pressing concern. External LLM-based guardrail models have emerged as a popular solution to screen unsafe inputs and outputs, but…

Retrieval augmented generation (RAG) has been applied in many scenarios to augment large language models (LLMs) with external documents provided by retrievers. However, a semantic gap exists between LLMs and retrievers due to differences in…

计算与语言 · 计算机科学 2024-10-31 Fuda Ye , Shuangyin Li , Yongqi Zhang , Lei Chen

Red teaming is a common strategy for identifying weaknesses in generative language models (LMs), where adversarial prompts are produced that trigger an LM to generate unsafe responses. Red teaming is instrumental for both model alignment…

计算与语言 · 计算机科学 2024-01-31 Nevan Wichers , Carson Denison , Ahmad Beirami