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Although Large Language Models have demonstrated powerful capabilities in a wide range of tasks such as language understanding and code generation, the frequent occurrence of hallucinations during the generation process has become a…

计算与语言 · 计算机科学 2025-10-09 JinXin Li , Gang Tu , JunJie Hu

Large language models (LLMs) are highly capable but face latency challenges in real-time applications, such as conducting online hallucination detection. To overcome this issue, we propose a novel framework that leverages a small language…

计算与语言 · 计算机科学 2024-08-26 Mengya Hu , Rui Xu , Deren Lei , Yaxi Li , Mingyu Wang , Emily Ching , Eslam Kamal , Alex Deng

Hallucinations pose a significant challenge to the reliability and alignment of Large Language Models (LLMs), limiting their widespread acceptance beyond chatbot applications. Despite ongoing efforts, hallucinations remain a prevalent…

计算与语言 · 计算机科学 2024-02-27 Cem Uluoglakci , Tugba Taskaya Temizel

Hallucination remains a critical barrier for deploying large language models (LLMs) in reliability-sensitive applications. Existing detection methods largely fall into two categories: factuality checking, which is fundamentally constrained…

计算与语言 · 计算机科学 2025-09-17 Jinxin Li , Gang Tu , ShengYu Cheng , Junjie Hu , Jinting Wang , Rui Chen , Zhilong Zhou , Dongbo Shan

Hallucinations in Large Language Models (LLMs) represent a critical barrier to their reliable deployment, a vulnerability heavily exacerbated in non-English and resource-constrained contexts. Existing detection approaches that rely on…

计算与语言 · 计算机科学 2026-05-26 Riasad Alvi , Nurul Labib Sayeedi , Md. Faiyaz Abdullah Sayeedi

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

Multimodal Large Language Models (MLLMs) have demonstrated remarkable capabilities in vision-language understanding tasks. While these models often produce linguistically coherent output, they often suffer from hallucinations, generating…

计算与语言 · 计算机科学 2025-12-09 Sujoy Nath , Arkaprabha Basu , Sharanya Dasgupta , Swagatam Das

Hallucination detection is critical for ensuring the reliability of large language models (LLMs) in context-based generation. Prior work has explored intrinsic signals available during generation, among which attention offers a direct view…

计算与语言 · 计算机科学 2026-02-23 Siya Qi , Yudong Chen , Runcong Zhao , Qinglin Zhu , Zhanghao Hu , Wei Liu , Yulan He , Zheng Yuan , Lin Gui

Hallucinations in Large Language Models (LLMs), defined as the generation of content inconsistent with facts or context, represent a core obstacle to their reliable deployment in critical domains. Current research primarily focuses on…

计算与语言 · 计算机科学 2026-03-20 Yanyi Liu , Qingwen Yang , Tiezheng Guo , Feiyu Qu , Jun Liu , Yingyou Wen

The detection of sophisticated hallucinations in Large Language Models (LLMs) is hampered by a ``Detection Dilemma'': methods probing internal states (Internal State Probing) excel at identifying factual inconsistencies but fail on logical…

计算与语言 · 计算机科学 2026-01-09 Yusheng Song , Lirong Qiu , Xi Zhang , Zhihao Tang

Large Language Models (LLMs) frequently exhibit strong translation abilities, even without task-specific fine-tuning. However, the internal mechanisms governing this innate capability remain largely opaque. To demystify this process, we…

计算与语言 · 计算机科学 2026-01-19 Xinwei Wu , Heng Liu , Xiaohu Zhao , Yuqi Ren , Linlong Xu , Longyue Wang , Deyi Xiong , Weihua Luo , Kaifu Zhang

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

Large Vision-Language Models (LVLMs) have recently achieved remarkable success. However, LVLMs are still plagued by the hallucination problem, which limits the practicality in many scenarios. Hallucination refers to the information of…

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

Large language models (LLMs) exhibit hallucinations in long-form question-answering tasks across various domains and wide applications. Current hallucination detection and mitigation datasets are limited in domains and sizes, which struggle…

计算与语言 · 计算机科学 2024-12-20 Yuzhe Gu , Ziwei Ji , Wenwei Zhang , Chengqi Lyu , Dahua Lin , Kai Chen

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) are powerful linguistic engines but remain susceptible to hallucinations: plausible-sounding outputs that are factually incorrect or unsupported. In this work, we present a mathematically grounded framework to…

计算与语言 · 计算机科学 2025-11-20 Moses Kiprono

Large language models (LLMs) are increasingly being adopted as the cognitive core of embodied agents. However, inherited hallucinations, which stem from failures to ground user instructions in the observed physical environment, can lead to…

In the era of large language models (LLMs), hallucination (i.e., the tendency to generate factually incorrect content) poses great challenge to trustworthy and reliable deployment of LLMs in real-world applications. To tackle the LLM…

计算与语言 · 计算机科学 2024-01-09 Junyi Li , Jie Chen , Ruiyang Ren , Xiaoxue Cheng , Wayne Xin Zhao , Jian-Yun Nie , Ji-Rong Wen

Artificial Intelligence (AI), particularly Large Language Models (LLMs), is transforming scientific discovery, enabling rapid knowledge generation and hypothesis formulation. However, a critical challenge is hallucination, where LLMs…

人工智能 · 计算机科学 2025-12-30 Bhanu Prakash Vangala , Sajid Mahmud , Pawan Neupane , Joel Selvaraj , Jianlin Cheng