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Large Vision-Language Models (LVLMs) demonstrate impressive capabilities in generating detailed and coherent responses from visual inputs. However, they are prone to generate hallucinations due to an over-reliance on language priors. To…

人工智能 · 计算机科学 2025-02-20 Kyungmin Min , Minbeom Kim , Kang-il Lee , Dongryeol Lee , Kyomin Jung

Large Language Models (LLMs) are trained on vast and diverse internet corpora that often include inaccurate or misleading content. Consequently, LLMs can generate misinformation, making robust fact-checking essential. This review…

The widespread adoption and transformative effects of large language models (LLMs) have sparked concerns regarding their capacity to produce inaccurate and fictitious content, referred to as `hallucinations'. Given the potential risks…

人机交互 · 计算机科学 2024-08-13 Mahjabin Nahar , Haeseung Seo , Eun-Ju Lee , Aiping Xiong , Dongwon Lee

Large language models (LLMs) demonstrate strong capabilities in natural language processing but remain prone to hallucinations, generating factually incorrect or fabricated content. This issue undermines their reliability, particularly in…

计算与语言 · 计算机科学 2025-02-19 Cheng Peng Huang , Hao-Yuan Chen

Large language models (LLMs) can suffer from hallucinations when generating text. These hallucinations impede various applications in society and industry by making LLMs untrustworthy. Current LLMs generate text in an autoregressive fashion…

机器学习 · 计算机科学 2025-11-05 Lukas Aichberger , Kajetan Schweighofer , Mykyta Ielanskyi , Sepp Hochreiter

Hallucination of text ungrounded in the input is a well-known problem in neural data-to-text generation. Many methods have been proposed to mitigate it, but they typically require altering model architecture or collecting additional data,…

计算与语言 · 计算机科学 2023-10-27 Mateusz Lango , Ondřej Dušek

Large Language Models (LLMs) frequently exhibit hallucinations, generating content that appears fluent and coherent but is factually incorrect. Such errors undermine trust and hinder their adoption in real-world applications. To address…

计算与语言 · 计算机科学 2025-12-03 Weihang Su , Jianming Long , Changyue Wang , Shiyu Lin , Jingyan Xu , Ziyi Ye , Qingyao Ai , Yiqun Liu

Language models, particularly generative models, are susceptible to hallucinations, generating outputs that contradict factual knowledge or the source text. This study explores methods for detecting hallucinations in three SemEval-2024 Task…

Large Vision Language Models (LVLMs) have demonstrated remarkable capabilities in understanding and describing visual content, achieving state-of-the-art performance across various vision-language tasks. However, these models often generate…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Kazi Hasan Ibn Arif , Sajib Acharjee Dip , Khizar Hussain , Lang Zhang , Chris Thomas

With the advent of rich visual representations and pre-trained language models, video captioning has seen continuous improvement over time. Despite the performance improvement, video captioning models are prone to hallucination.…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Nasib Ullah , Partha Pratim Mohanta

Despite their impressive capabilities, large language models (LLMs) have been observed to generate responses that include inaccurate or fabricated information, a phenomenon commonly known as ``hallucination''. In this work, we propose a…

计算与语言 · 计算机科学 2024-03-12 Yue Zhang , Leyang Cui , Wei Bi , Shuming Shi

Large Language Models (LLMs), when used for conditional text generation, often produce hallucinations, i.e., information that is unfaithful or not grounded in the input context. This issue arises in typical conditional text generation…

Large language models (LLMs) often fabricate a hallucinatory text. Several methods have been developed to detect such text by semantically comparing it with the multiple versions probabilistically regenerated. However, a significant issue…

计算与语言 · 计算机科学 2024-09-27 Satoshi Munakata , Taku Fukui , Takao Mohri

Large Language Models (LLMs) are widely used to generate plausible text on online platforms, without revealing the generation process. As users increasingly encounter such black-box outputs, detecting hallucinations has become a critical…

计算与语言 · 计算机科学 2026-04-08 Joosung Lee , Cheonbok Park , Hwiyeol Jo , Jeonghoon Kim , Joonsuk Park , Kang Min Yoo

Hallucination is often regarded as a major impediment for using large language models (LLMs), especially for knowledge-intensive tasks. Even when the training corpus consists solely of true statements, language models still generate…

计算与语言 · 计算机科学 2024-07-12 Yuji Zhang , Sha Li , Jiateng Liu , Pengfei Yu , Yi R. Fung , Jing Li , Manling Li , Heng Ji

Discharge summaries require extracting critical information from lengthy electronic health records (EHRs), a process that is labor-intensive when performed manually. Large language models (LLMs) can improve generation efficiency; however,…

计算与语言 · 计算机科学 2026-05-06 Severin Ye , Xiao Kong , Xiaopeng He , Guangsu Yan , Dongsuk Oh

Large Language Models often generate factually incorrect but plausible outputs, known as hallucinations. We identify a more insidious phenomenon, LLM delusion, defined as high belief hallucinations, incorrect outputs with abnormally high…

计算与语言 · 计算机科学 2025-03-11 Hongshen Xu , Zixv yang , Zichen Zhu , Kunyao Lan , Zihan Wang , Mengyue Wu , Ziwei Ji , Lu Chen , Pascale Fung , Kai Yu

Large language models (LLMs) are susceptible to hallucinations -- factually incorrect outputs -- leading to a large body of work on detecting and mitigating such cases. We argue that it is important to distinguish between two types of…

计算与语言 · 计算机科学 2025-02-19 Adi Simhi , Jonathan Herzig , Idan Szpektor , Yonatan Belinkov

In healthcare, it is essential for any LLM-generated output to be reliable and accurate, particularly in cases involving decision-making and patient safety. However, the outputs are often unreliable in such critical areas due to the risk of…

This study addresses the problem of hallucinated span detection in the outputs of large language models. It has received less attention than output-level hallucination detection despite its practical importance. Prior work has shown that…

计算与语言 · 计算机科学 2025-09-16 Yuya Ogasa , Yuki Arase