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The tendency for hallucination in current large language models (LLMs) negatively impacts dialogue systems. Such hallucinations produce factually incorrect responses that may mislead users and undermine system trust. Existing refinement…

计算与语言 · 计算机科学 2026-02-18 Xiangyan Chen , Yujian Gan , Matthew Purver

Large language models (LLMs) have demonstrated significant improvements in contextual understanding. However, their ability to attend to truly critical information during long-context reasoning and generation still falls behind the pace.…

计算与语言 · 计算机科学 2025-10-27 Yiju Guo , Wenkai Yang , Zexu Sun , Ning Ding , Zhiyuan Liu , Yankai Lin

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating external knowledge to generate a response within a context with improved accuracy and reduced hallucinations. However, multi-modal RAG systems face…

机器学习 · 计算机科学 2025-01-09 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

The demand for efficient large language model (LLM) inference has propelled the development of dedicated accelerators. As accelerators are vulnerable to hardware faults due to aging, variation, etc, existing accelerator designs often…

硬件体系结构 · 计算机科学 2025-04-08 Tong Xie , Jiawang Zhao , Zishen Wan , Zuodong Zhang , Yuan Wang , Runsheng Wang , Ru Huang , Meng Li

Language models (LMs) often struggle to pay enough attention to the input context, and generate texts that are unfaithful or contain hallucinations. To mitigate this issue, we present context-aware decoding (CAD), which follows a…

计算与语言 · 计算机科学 2023-05-25 Weijia Shi , Xiaochuang Han , Mike Lewis , Yulia Tsvetkov , Luke Zettlemoyer , Scott Wen-tau Yih

Vision-language models (VLMs) frequently generate hallucinated content plausible but incorrect claims about image content. We propose a training-free self-correction framework enabling VLMs to iteratively refine responses through…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Kassoum Sanogo , Renzo Ardiccioni

The context window of large language models (LLMs) has been extended significantly in recent years. However, while the context length that the LLM can process has grown, the capability of the model to accurately reason over that context…

计算与语言 · 计算机科学 2024-10-07 Huayang Li , Pat Verga , Priyanka Sen , Bowen Yang , Vijay Viswanathan , Patrick Lewis , Taro Watanabe , Yixuan Su

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

Large Language Models (LLMs) have transformed natural language processing (NLP) tasks, but they suffer from hallucination, generating plausible yet factually incorrect content. This issue extends to Video-Language Models (VideoLLMs), where…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Ahmad Khalil , Mahmoud Khalil , Alioune Ngom

Factual inconsistencies in generated summaries severely limit the practical applications of abstractive dialogue summarization. Although significant progress has been achieved by using pre-trained models, substantial amounts of hallucinated…

Large language models (LLMs), despite their remarkable text generation capabilities, often hallucinate and generate text that is factually incorrect and not grounded in real-world knowledge. This poses serious risks in domains like…

计算与语言 · 计算机科学 2025-11-18 Raavi Gupta , Pranav Hari Panicker , Sumit Bhatia , Ganesh Ramakrishnan

Large Language Models (LLMs) have shown impressive capabilities but still suffer from the issue of hallucinations. A significant type of this issue is the false premise hallucination, which we define as the phenomenon when LLMs generate…

计算与语言 · 计算机科学 2024-03-01 Hongbang Yuan , Pengfei Cao , Zhuoran Jin , Yubo Chen , Daojian Zeng , Kang Liu , Jun Zhao

Automatic Speech Recognition (ASR) error correction aims to correct recognition errors while preserving accurate text. Although traditional approaches demonstrate moderate effectiveness, LLMs offer a paradigm that eliminates the need for…

计算与语言 · 计算机科学 2025-12-24 Yangui Fang , Baixu Chen , Jing Peng , Xu Li , Yu Xi , Chengwei Zhang , Guohui Zhong

Large Language Models (LLMs) are known to produce hallucinations - factually incorrect or fabricated information - which poses significant challenges for many Natural Language Processing (NLP) applications, such as dialogue systems. As a…

计算与语言 · 计算机科学 2025-08-11 Xiangyan Chen , Yufeng Li , Yujian Gan , Arkaitz Zubiaga , Matthew Purver

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) 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) are prone to hallucination with non-factual or unfaithful statements, which undermines the applications in real-world scenarios. Recent researches focus on uncertainty-based hallucination detection, which…

计算与语言 · 计算机科学 2025-04-08 Kedi Chen , Qin Chen , Jie Zhou , Xinqi Tao , Bowen Ding , Jingwen Xie , Mingchen Xie , Peilong Li , Feng Zheng , Liang He

Involving collaborative information in Large Language Models (LLMs) is a promising technique for adapting LLMs for recommendation. Existing methods achieve this by concatenating collaborative features with text tokens into a unified…

信息检索 · 计算机科学 2024-10-28 Yuting Liu , Jinghao Zhang , Yizhou Dang , Yuliang Liang , Qiang Liu , Guibing Guo , Jianzhe Zhao , Xingwei Wang

Existing Large Vision-Language Models (LVLMs) primarily align image features of vision encoder with Large Language Models (LLMs) to leverage their superior text generation capabilities. However, the scale disparity between vision encoder…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Shi Liu , Kecheng Zheng , Wei Chen

The emergence of Large Language Models (LLMs) has revolutionized how users access information, shifting from traditional search engines to direct question-and-answer interactions with LLMs. However, the widespread adoption of LLMs has…

计算与语言 · 计算机科学 2024-07-23 Weihang Su , Yichen Tang , Qingyao Ai , Changyue Wang , Zhijing Wu , Yiqun Liu