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相关论文: RAGognizer: Hallucination-Aware Fine-Tuning via De…

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The rapidly developing Large Vision Language Models (LVLMs) have shown notable capabilities on a range of multi-modal tasks, but still face the hallucination phenomena where the generated texts do not align with the given contexts,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Wenyi Xiao , Ziwei Huang , Leilei Gan , Wanggui He , Haoyuan Li , Zhelun Yu , Fangxun Shu , Hao Jiang , Linchao Zhu

The emergence of Large Language Models (LLMs) has significantly advanced natural language processing, but these models often generate factually incorrect information, known as "hallucination". Initial retrieval-augmented generation (RAG)…

计算与语言 · 计算机科学 2024-11-12 Yujia Zhou , Zheng Liu , Zhicheng Dou

Detecting hallucinations in large language models (LLMs) is critical for enhancing their reliability and trustworthiness. Most research focuses on hallucinations as deviations from information seen during training. However, the opaque…

计算与语言 · 计算机科学 2025-03-26 Fabian Ridder , Malte Schilling

Large language models (LLMs) often struggle with knowledge intensive NLP tasks, such as answering "Who won the latest World Cup?" because the knowledge they learn during training may be insufficient or outdated. Conditioning generation on…

计算与语言 · 计算机科学 2025-03-04 Matthew Finlayson , Ilia Kulikov , Daniel M. Bikel , Barlas Oguz , Xilun Chen , Aasish Pappu

Retrieval Augmented Generation (RAG) systems remain vulnerable to hallucinated answers despite incorporating external knowledge sources. We present LettuceDetect a framework that addresses two critical limitations in existing hallucination…

计算与语言 · 计算机科学 2025-02-25 Ádám Kovács , Gábor Recski

Retrieval-Augmented Generation (RAG) systems have gained widespread adoption by application builders because they leverage sources of truth to enable Large Language Models (LLMs) to generate more factually sound responses. However,…

计算与语言 · 计算机科学 2025-05-09 Alex Shan , John Bauer , Christopher D. Manning

Retrieval-augmented generation (RAG) is a framework enabling large language models (LLMs) to enhance their accuracy and reduce hallucinations by integrating external knowledge bases. In this paper, we introduce a hybrid RAG system enhanced…

计算与语言 · 计算机科学 2024-09-04 Ye Yuan , Chengwu Liu , Jingyang Yuan , Gongbo Sun , Siqi Li , Ming Zhang

Retrieval Augmented Generation (RAG) techniques aim to mitigate hallucinations in Large Language Models (LLMs). However, LLMs can still produce information that is unsupported or contradictory to the retrieved contexts. We introduce LYNX, a…

人工智能 · 计算机科学 2024-07-24 Selvan Sunitha Ravi , Bartosz Mielczarek , Anand Kannappan , Douwe Kiela , Rebecca Qian

Retrieval-Augmented Generation (RAG) has gained significant popularity in modern Large Language Models (LLMs) due to its effectiveness in introducing new knowledge and reducing hallucinations. However, the deep understanding of RAG remains…

计算与语言 · 计算机科学 2024-10-07 Jingyu Liu , Jiaen Lin , Yong Liu

Retrieval-augmented generation (RAG) has become integral to large language models (LLMs), particularly for conversational AI systems where user questions may reference knowledge beyond the LLMs' training cutoff. However, many natural user…

计算与语言 · 计算机科学 2025-05-06 Zhiyuan Peng , Jinming Nian , Alexandre Evfimievski , Yi Fang

Retrieval augmented generation (RAG) systems provide a method for factually grounding the responses of a Large Language Model (LLM) by providing retrieved evidence, or context, as support. Guided by this context, RAG systems can reduce…

信息检索 · 计算机科学 2025-09-05 Shakiba Amirshahi , Amin Bigdeli , Charles L. A. Clarke , Amira Ghenai

Retrieval-Augmented Generation (RAG) significantly enhances Large Language Models (LLMs) by providing access to external knowledge. However, current research primarily focuses on retrieval quality, often overlooking the critical…

计算与语言 · 计算机科学 2026-04-16 Zhengyi Zhao , Shubo Zhang , Zezhong Wang , Yuxi Zhang , Huimin Wang , Yutian Zhao , Yefeng Zheng , Binyang Li , Kam-Fai Wong , Xian Wu

Recent advances in large language models (LLMs) have led to impressive progress in natural language generation, yet their tendency to produce hallucinated or unsubstantiated content remains a critical concern. To improve factual…

计算与语言 · 计算机科学 2025-05-20 Xukai Liu , Ye Liu , Shiwen Wu , Yanghai Zhang , Yihao Yuan , Kai Zhang , Qi Liu

Hallucinations present a significant challenge for large language models (LLMs). The utilization of parametric knowledge in generating factual content is constrained by the limited knowledge of LLMs, potentially resulting in internal…

计算与语言 · 计算机科学 2025-10-07 Hanxing Ding , Liang Pang , Zihao Wei , Huawei Shen , Xueqi Cheng

Large Language Models (LLMs) are tools that have become indispensable in development and programming. However, they suffer from hallucinations, especially when dealing with unknown knowledge. This is particularly the case when LLMs are to…

计算与语言 · 计算机科学 2026-05-05 Andreas Baumann , Peter Eberhard

Large language model (LLM) systems suffer from the models' unstable ability to generate valid and factual content, resulting in hallucination generation. Current hallucination detection methods heavily rely on out-of-model information…

计算与语言 · 计算机科学 2025-02-20 Peiran Wang , Yang Liu , Yunfei Lu , Jue Hong , Ye Wu

Large language models (LLMs) exhibit remarkable generative capabilities but often suffer from hallucinations. Retrieval-augmented generation (RAG) offers an effective solution by incorporating external knowledge, but existing methods still…

计算与语言 · 计算机科学 2024-12-17 Xiaoxi Li , Jiajie Jin , Yujia Zhou , Yongkang Wu , Zhonghua Li , Qi Ye , Zhicheng Dou

Hallucinations in large language models (LLMs) pose significant safety concerns that impede their broader deployment. Recent research in hallucination detection has demonstrated that LLMs' internal representations contain truthfulness…

机器学习 · 计算机科学 2025-11-11 Mengjia Niu , Hamed Haddadi , Guansong Pang

The integration of external knowledge through Retrieval-Augmented Generation (RAG) has become foundational in enhancing large language models (LLMs) for knowledge-intensive tasks. However, existing RAG paradigms often overlook the cognitive…

人工智能 · 计算机科学 2025-09-24 Yu Wang , Shiwan Zhao , Zhihu Wang , Ming Fan , Xicheng Zhang , Yubo Zhang , Zhengfan Wang , Heyuan Huang , Ting Liu

This article surveys Evaluation models to automatically detect hallucinations in Retrieval-Augmented Generation (RAG), and presents a comprehensive benchmark of their performance across six RAG applications. Methods included in our study…

机器学习 · 计算机科学 2025-04-08 Ashish Sardana