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In recent years, large language models (LLMs) have made remarkable advancements, yet hallucination, where models produce inaccurate or non-factual statements, remains a significant challenge for real-world deployment. Although current…

计算与语言 · 计算机科学 2025-06-03 Qing Li , Jiahui Geng , Zongxiong Chen , Derui Zhu , Yuxia Wang , Congbo Ma , Chenyang Lyu , Fakhri Karray

Hallucinations in Large Vision-Language Models (LVLMs) significantly undermine their reliability, motivating researchers to explore the causes of hallucination. However, most studies primarily focus on the language aspect rather than the…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Zhangqi Jiang , Junkai Chen , Beier Zhu , Tingjin Luo , Yankun Shen , Xu Yang

While large language models (LLMs) have taken great strides towards helping humans with a plethora of tasks, hallucinations remain a major impediment towards gaining user trust. The fluency and coherence of model generations even when…

计算与语言 · 计算机科学 2024-08-23 Ben Snyder , Marius Moisescu , Muhammad Bilal Zafar

Large Language Models (LLMs) are increasingly used in various contexts, yet remain prone to generating non-factual content, commonly referred to as "hallucinations". The literature categorizes hallucinations into several types, including…

计算与语言 · 计算机科学 2025-03-12 Samir Abdaljalil , Hasan Kurban , Erchin Serpedin

The widespread adoption of Large Language Models (LLMs) has been hindered by their tendency to hallucinate, generating plausible but factually incorrect information. While Retrieval-Augmented Generation (RAG) systems attempt to address this…

计算与语言 · 计算机科学 2025-09-23 Selva Taş , Mahmut El Huseyni , Özay Ezerceli , Reyhan Bayraktar , Fatma Betül Terzioğlu

Large vision-language models (LVLMs) have made significant progress in recent years. While LVLMs exhibit excellent ability in language understanding, question answering, and conversations of visual inputs, they are prone to producing…

计算与语言 · 计算机科学 2024-11-20 Qing Li , Jiahui Geng , Chenyang Lyu , Derui Zhu , Maxim Panov , Fakhri Karray

Hallucinations in Large Language Models (LLMs) -- generations that are plausible but factually unfaithful -- remain a critical barrier to high-stakes deployment. Current detection methods typically rely on computationally expensive external…

人工智能 · 计算机科学 2026-01-23 Manish Bhatt

Despite significant progress in the quality of language generated from abstractive summarization models, these models still exhibit the tendency to hallucinate, i.e., output content not supported by the source document. A number of works…

计算与语言 · 计算机科学 2022-11-01 Liam van der Poel , Ryan Cotterell , Clara Meister

Large Language Models (LLMs) have facilitated structured data generation, with applications in domains like tabular data, document databases, product catalogs, etc. However, concerns persist about generation veracity due to incorrect…

计算与语言 · 计算机科学 2024-06-04 Chengwei Wei , Kee Kiat Koo , Amir Tavanaei , Karim Bouyarmane

Large language models (LLMs) have shown promise for generative and knowledge-intensive tasks including question-answering (QA) tasks. However, the practical deployment still faces challenges, notably the issue of "hallucination", where…

计算与语言 · 计算机科学 2023-10-11 Ziwei Ji , Tiezheng Yu , Yan Xu , Nayeon Lee , Etsuko Ishii , Pascale Fung

Recent research on query generation has focused on using Large Language Models (LLMs), which despite bringing state-of-the-art performance, also introduce issues with hallucinations in the generated queries. In this work, we introduce…

计算与语言 · 计算机科学 2024-10-16 Zhongxiang Sun , Zihua Si , Xiaoxue Zang , Kai Zheng , Yang Song , Xiao Zhang , Jun Xu

To mitigate the impact of hallucination nature of LLMs, many studies propose detecting hallucinated generation through uncertainty estimation. However, these approaches predominantly operate at the sentence or paragraph level, failing to…

计算与语言 · 计算机科学 2025-09-05 Min-Hsuan Yeh , Max Kamachee , Seongheon Park , Yixuan Li

Although people are impressed by the content generation skills of large language models, the use of LLMs, such as ChatGPT, is limited by the domain grounding of the content. The correctness and groundedness of the generated content need to…

计算与语言 · 计算机科学 2024-12-23 Xiaofeng Zhu , Jaya Krishna Mandivarapu

Large language models (LLMs) have achieved a degree of success in generating coherent and contextually relevant text, yet they remain prone to a significant challenge known as hallucination: producing information that is not substantiated…

计算与语言 · 计算机科学 2024-10-28 Ray Li , Tanishka Bagade , Kevin Martinez , Flora Yasmin , Grant Ayala , Michael Lam , Kevin Zhu

Hallucination has been a long-standing and inevitable problem that hinders the application of Large Vision-Language Models (LVLMs) in domains that require high reliability. Various methods focus on improvement depending on data annotations…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Chao Wang , Jianming Yang , Yang Zhou

Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) systems are increasingly deployed in industry applications, yet their reliability remains hampered by challenges in detecting hallucinations. While supervised…

计算与语言 · 计算机科学 2025-05-30 Julia Belikova , Konstantin Polev , Rauf Parchiev , Dmitry Simakov

Large Language Models (LLMs) excel in language comprehension and generation but are prone to hallucinations, producing factually incorrect or unsupported outputs. Retrieval Augmented Generation (RAG) systems address this issue by grounding…

信息检索 · 计算机科学 2025-04-09 Chandana Sree Mala , Gizem Gezici , Fosca Giannotti

While large language models have demonstrated exceptional performance across a wide range of tasks, they remain susceptible to hallucinations -- generating plausible yet factually incorrect contents. Existing methods to mitigating such risk…

计算与语言 · 计算机科学 2025-09-16 Yurui Chang , Bochuan Cao , Lu Lin

Hallucination detection is a challenging task for large language models (LLMs), and existing studies heavily rely on powerful closed-source LLMs such as GPT-4. In this paper, we propose an autonomous LLM-based agent framework, called…

计算与语言 · 计算机科学 2024-06-18 Xiaoxue Cheng , Junyi Li , Wayne Xin Zhao , Hongzhi Zhang , Fuzheng Zhang , Di Zhang , Kun Gai , Ji-Rong Wen

Large Language Models (LLMs) often generate incorrect or unsupported content, known as hallucinations. Existing detection methods rely on heuristics or simple models over isolated computational traces such as activations, or attention maps.…

机器学习 · 计算机科学 2025-09-30 Fabrizio Frasca , Guy Bar-Shalom , Yftah Ziser , Haggai Maron