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Large language models (LLMs) show promise in healthcare, but hallucinations remain a major barrier to clinical use. We present CHECK, a continuous-learning framework that integrates structured clinical databases with a classifier grounded…

Large Language Models (LLMs) often struggle with deductive judgment in syllogistic reasoning, systematically conflating semantic plausibility with formal validity a phenomenon known as content effect. This bias persists even when models…

计算与语言 · 计算机科学 2026-02-03 Gabriele Maraia , Marco Valentino , Fabio Massimo Zanzotto , Leonardo Ranaldi

Large vision-language models (LVLMs) often hallucinate content that is fluent yet unsupported by the image, limiting their reliability in real-world deployment. We show that a key failure mode arises from route competition: even when visual…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Zhe Cheng , Wenyu Chen , Fode Zhang , Dehuan Shen

Hallucination remains a critical bottleneck for large language models (LLMs), undermining their reliability in real-world applications, especially in Retrieval-Augmented Generation (RAG) systems. While existing hallucination detection…

计算与语言 · 计算机科学 2026-03-26 Zhuo Li , Yupeng Zhang , Pengyu Cheng , Jiajun Song , Mengyu Zhou , Hao Li , Shujie Hu , Yu Qin , Erchao Zhao , Xiaoxi Jiang , Guanjun Jiang

Large Vision-Language Models (LVLMs) have recently achieved impressive results in multimodal tasks such as image captioning and visual question answering. However, they remain prone to object hallucination -- generating descriptions of…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Jinlin Li , Yuran Wang , Yifei Yuan , Xiao Zhou , Yingying Zhang , Xixian Yong , Yefeng Zheng , Xian Wu

Large language models (LLMs) often produce inaccurate or misleading content-hallucinations. To address this challenge, we introduce Noise-Augmented Fine-Tuning (NoiseFiT), a novel framework that leverages adaptive noise injection based on…

计算与语言 · 计算机科学 2025-05-06 Afshin Khadangi , Amir Sartipi , Igor Tchappi , Ramin Bahmani

Large vision-language models (LVLMs) achieve strong multimodal performance, but still suffer from hallucinations caused by unstable visual grounding and over-reliance on language priors. Existing training-free decoding methods typically…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Xinyun Liu

Language models exhibit remarkable natural language generation capabilities but remain prone to hallucinations, generating factually incorrect information despite producing syntactically coherent responses. This study introduces the…

计算与语言 · 计算机科学 2025-11-11 Simeon Emanuilov , Richard Ackermann

We develop a principled procedure for determining when a large language model (LLM) should abstain from responding (e.g., by saying "I don't know") in a general domain, instead of resorting to possibly "hallucinating" a non-sensical or…

Attribution is a key concept in large language models (LLMs) as it enables control over information sources and enhances the factuality of LLMs. While existing approaches utilize open book question answering to improve attribution, factual…

计算与语言 · 计算机科学 2023-11-14 Abdullatif Köksal , Renat Aksitov , Chung-Ching Chang

Despite the recent breakthroughs achieved by Large Vision Language Models (LVLMs) in understanding and responding to complex visual-textual contexts, their inherent hallucination tendencies limit their practical application in real-world…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Junzhe Chen , Tianshu Zhang , Shiyu Huang , Yuwei Niu , Linfeng Zhang , Lijie Wen , Xuming Hu

Hallucination remains one of the key obstacles to the reliable deployment of large language models (LLMs), particularly in real-world applications. Among various mitigation strategies, Retrieval-Augmented Generation (RAG) and reasoning…

计算与语言 · 计算机科学 2025-10-29 Yihan Li , Xiyuan Fu , Ghanshyam Verma , Paul Buitelaar , Mingming Liu

Adjusting the latency, power, and accuracy of natural language understanding models is a desirable objective of an efficient architecture. This paper proposes an efficient Transformer architecture that adjusts the inference computational…

计算与语言 · 计算机科学 2024-09-20 Sajjad Kachuee , Mohammad Sharifkhani

Large Language Models (LLMs) exhibit impressive results across a wide range of natural language processing (NLP) tasks, yet they can often produce factually incorrect outputs. This paper introduces a simple but effective low-latency…

计算与语言 · 计算机科学 2024-10-22 Changmao Li , Jeffrey Flanigan

Acoustic echo cancellation (AEC) is designed to remove echoes, reverberation, and unwanted added sounds from the microphone signal while maintaining the quality of the near-end speaker's speech. This paper proposes adaptive speech quality…

声音 · 计算机科学 2022-11-10 Bozhong Liu , Xiaoxi Yu , Hantao Huang

Large Language Models (LLMs) often hallucinate, producing unfaithful or factually incorrect outputs by misrepresenting the provided context or incorrectly recalling internal knowledge. Recent studies have identified specific attention heads…

How to alleviate the hallucinations of Large Language Models (LLMs) has always been the fundamental goal pursued by the LLMs research community. Looking through numerous hallucination-related studies, a mainstream category of methods is to…

计算与语言 · 计算机科学 2025-02-12 Yinghui Li , Haojing Huang , Jiayi Kuang , Yangning Li , Shu-Yu Guo , Chao Qu , Xiaoyu Tan , Hai-Tao Zheng , Ying Shen , Philip S. Yu

Although Large Visual Language Models (LVLMs) have demonstrated exceptional abilities in understanding multimodal data, they invariably suffer from hallucinations, leading to a disconnect between the generated text and the corresponding…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Xinyu Lyu , Beitao Chen , Lianli Gao , Jingkuan Song , Heng Tao Shen

Despite the significant success of Large Vision-Language models(LVLMs), these models still suffer hallucinations when describing images, generating answers that include non-existent objects. It is reported that these models tend to…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Bin Li , Dehong Gao , Yeyuan Wang , Linbo Jin , Shanqing Yu , Xiaoyan Cai , Libin Yang

Hallucination, the generation of factually incorrect content, is a growing challenge in Large Language Models (LLMs). Existing detection and mitigation methods are often isolated and insufficient for domain-specific needs, lacking a…