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相关论文: Probing LLM Hallucination from Within: Perturbatio…

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Hallucinations are one of the major issues affecting LLMs, hindering their wide adoption in production systems. While current research solutions for detecting hallucinations are mainly based on heuristics, in this paper we introduce a…

计算与语言 · 计算机科学 2025-02-14 Emanuele Ricco , Lorenzo Cima , Roberto Di Pietro

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

Recent development of Large Vision-Language Models (LVLMs) has attracted growing attention within the AI landscape for its practical implementation potential. However, ``hallucination'', or more specifically, the misalignment between…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Hanchao Liu , Wenyuan Xue , Yifei Chen , Dapeng Chen , Xiutian Zhao , Ke Wang , Liping Hou , Rongjun Li , Wei Peng

Large Language Models (LLMs) are powerful computational models trained on extensive corpora of human-readable text, enabling them to perform general-purpose language understanding and generation. LLMs have garnered significant attention in…

计算与语言 · 计算机科学 2024-10-28 Liam Barkley , Brink van der Merwe

Large language models (LLMs) have achieved impressive performance across a wide range of natural language processing tasks, yet they often produce hallucinated content that undermines factual reliability. To address this challenge, we…

计算与语言 · 计算机科学 2026-03-23 Yaxin Zhao , Yu Zhang

Detecting hallucinations in large language model (LLM) outputs is pivotal, yet traditional fine-tuning for this classification task is impeded by the expensive and quickly outdated annotation process, especially across numerous vertical…

人工智能 · 计算机科学 2024-07-09 Dongxu Zhang , Varun Gangal , Barrett Martin Lattimer , Yi Yang

Large language models (LLMs) demonstrate great performance in text generation. However, LLMs are still suffering from hallucinations. In this work, we propose an inference-time method, Self-Highlighted Hesitation (SH2), to help LLMs decode…

计算与语言 · 计算机科学 2024-10-08 Jushi Kai , Tianhang Zhang , Hai Hu , Zhouhan Lin

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

Hallucination detection in Large Language Models (LLMs) is crucial for ensuring their reliability. This work presents our participation in the CLEF ELOQUENT HalluciGen shared task, where the goal is to develop evaluators for both generating…

Vision-Language Models (VLMs) have demonstrated remarkable progress in multimodal tasks, but remain susceptible to hallucinations, where generated text deviates from the underlying visual content. Existing hallucination detection methods…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Feiran Zhang , Yixin Wu , Zhenghua Wang , Xiaohua Wang , Changze Lv , Xuanjing Huang , Xiaoqing Zheng

Knowledge hallucination have raised widespread concerns for the security and reliability of deployed LLMs. Previous efforts in detecting hallucinations have been employed at logit-level uncertainty estimation or language-level…

计算与语言 · 计算机科学 2024-10-22 Chao Chen , Kai Liu , Ze Chen , Yi Gu , Yue Wu , Mingyuan Tao , Zhihang Fu , Jieping Ye

Large Language Models (LLMs) have made significant progress in code generation, offering developers groundbreaking automated programming support. However, LLMs often generate code that is syntactically correct and even semantically…

计算与语言 · 计算机科学 2025-01-22 Yuchen Tian , Weixiang Yan , Qian Yang , Xuandong Zhao , Qian Chen , Wen Wang , Ziyang Luo , Lei Ma , Dawn Song

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

Large Language Models (LLMs) and Large Reasoning Models (LRMs) offer transformative potential for high-stakes domains like finance and law, but their tendency to hallucinate, generating factually incorrect or unsupported content, poses a…

人工智能 · 计算机科学 2026-01-16 Ahmad Pesaranghader , Erin Li

Large language models (LLMs) face the challenge of hallucinations -- outputs that seem coherent but are actually incorrect. A particularly damaging type is fact-conflicting hallucination (FCH), where generated content contradicts…

计算与语言 · 计算机科学 2025-02-20 Ningke Li , Yahui Song , Kailong Wang , Yuekang Li , Ling Shi , Yi Liu , Haoyu Wang

Large language models (LLMs) frequently hallucinate and produce factual errors, yet our understanding of why they make these errors remains limited. In this study, we delve into the underlying mechanisms of LLM hallucinations from the…

计算与语言 · 计算机科学 2024-03-13 Shiqi Chen , Miao Xiong , Junteng Liu , Zhengxuan Wu , Teng Xiao , Siyang Gao , Junxian He

Large Language Models (LLMs) have gained widespread adoption in various natural language processing tasks, including question answering and dialogue systems. However, a major drawback of LLMs is the issue of hallucination, where they…

计算与语言 · 计算机科学 2024-07-08 Yuyan Chen , Qiang Fu , Yichen Yuan , Zhihao Wen , Ge Fan , Dayiheng Liu , Dongmei Zhang , Zhixu Li , Yanghua Xiao

Recent studies on hallucination in large language models (LLMs) have been actively progressing in natural language processing. However, the impact of negated text on hallucination with LLMs remains largely unexplored. In this paper, we set…

计算与语言 · 计算机科学 2025-10-24 Jaehyung Seo , Hyeonseok Moon , Heuiseok Lim

Recent work has demonstrated state-of-the-art results in large language model (LLM) hallucination detection and mitigation through consistency-based approaches which involve aggregating multiple responses sampled from a single LLM for a…

机器学习 · 计算机科学 2025-10-24 Demian Till , John Smeaton , Peter Haubrick , Gouse Saheb , Florian Graef , David Berman

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