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Large vision-language models (LVLMs) tend to hallucinate, especially when visual inputs are corrupted at test time. We show that such corruptions act as additional distribution shifts, significantly amplifying hallucination rates in…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Mriganka Nath , Anurag Das , Jiahao Xie , Bernt Schiele

Large language models (LLMs) have been noted to fabricate scholarly citations, yet the scope of this behavior across providers, domains, and prompting conditions remains poorly quantified. We present one of the largest citation…

计算与语言 · 计算机科学 2026-03-05 MZ Naser

Recent research on query generation has focused on using Large Language Models (LLMs), which despite bringing state-of-the-art performance, also introduce issues with hallucinations in the generated queries. In this work, we introduce…

计算与语言 · 计算机科学 2024-10-16 Zhongxiang Sun , Zihua Si , Xiaoxue Zang , Kai Zheng , Yang Song , Xiao Zhang , Jun Xu

We explore whether Large Language Models (LLMs) are capable of logical reasoning with distorted facts, which we call Deduction under Perturbed Evidence (DUPE). DUPE presents a unique challenge to LLMs since they typically rely on their…

计算与语言 · 计算机科学 2023-05-25 Shashank Sonkar , Richard G. Baraniuk

Recent prompt-based approaches allow pretrained language models to achieve strong performances on few-shot finetuning by reformulating downstream tasks as a language modeling problem. In this work, we demonstrate that, despite its…

计算与语言 · 计算机科学 2021-09-10 Prasetya Ajie Utama , Nafise Sadat Moosavi , Victor Sanh , Iryna Gurevych

Large Vision-Language Models (LVLMs) have achieved impressive performance, yet research has pointed out a serious issue with object hallucinations within these models. However, there is no clear conclusion as to which part of the model…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Yufang Liu , Tao Ji , Changzhi Sun , Yuanbin Wu , Aimin Zhou

Despite the dramatic progress in Large Language Model (LLM) development, LLMs often provide seemingly plausible but not factual information, often referred to as hallucinations. Retrieval-augmented LLMs provide a non-parametric approach to…

计算与语言 · 计算机科学 2023-11-09 Sai Munikoti , Anurag Acharya , Sridevi Wagle , Sameera Horawalavithana

Large language models (LLMs) have played a pivotal role in building communicative AI, yet they encounter the challenge of efficient updates. Model editing enables the manipulation of specific knowledge memories and the behavior of language…

计算与语言 · 计算机科学 2024-10-28 Xinbei Ma , Tianjie Ju , Jiyang Qiu , Zhuosheng Zhang , Hai Zhao , Lifeng Liu , Yulong Wang

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

Generation of plausible yet incorrect factual information, termed hallucination, is an unsolved issue in large language models. We study the ability of language models to deliberate on the responses they give in order to correct their…

计算与语言 · 计算机科学 2023-09-26 Shehzaad Dhuliawala , Mojtaba Komeili , Jing Xu , Roberta Raileanu , Xian Li , Asli Celikyilmaz , Jason Weston

Scholarly peer review is a cornerstone of scientific advancement, but the system is under strain due to increasing manuscript submissions and the labor-intensive nature of the process. Recent advancements in large language models (LLMs)…

计算与语言 · 计算机科学 2024-12-03 Rui Ye , Xianghe Pang , Jingyi Chai , Jiaao Chen , Zhenfei Yin , Zhen Xiang , Xiaowen Dong , Jing Shao , Siheng Chen

Large Language Models (LLMs) have the tendency to hallucinate, i.e., to sporadically generate false or fabricated information. This presents a major challenge, as hallucinations often appear highly convincing and users generally lack the…

Despite significant progress in the quality of language generated from abstractive summarization models, these models still exhibit the tendency to hallucinate, i.e., output content not supported by the source document. A number of works…

计算与语言 · 计算机科学 2022-11-01 Liam van der Poel , Ryan Cotterell , Clara Meister

While reinforcement learning has unlocked unprecedented complex reasoning in large language models, it has also amplified their propensity for hallucination, creating a critical trade-off between capability and reliability. This work…

计算与语言 · 计算机科学 2025-12-11 Yudong Wang , Zhe Yang , Wenhan Ma , Zhifang Sui , Liang Zhao

Large Language Models (LLMs) are increasingly used to generate summaries of software bug reports, including sections such as Steps-to-Reproduce (S2R), Actual Behavior (AB), and Expected Behavior (EB). However, these models frequently…

软件工程 · 计算机科学 2026-05-26 Hinduja Nirujan , Shreyas Patil , Abdallah Ayoub , Ahmad Abdel Latif , Gouri Ginde

Self-improvement in multimodal large language models (MLLMs) is crucial for enhancing their reliability and robustness. However, current methods often rely heavily on MLLMs themselves as judges, leading to high computational costs and…

计算与语言 · 计算机科学 2024-11-28 Shijian Deng , Wentian Zhao , Yu-Jhe Li , Kun Wan , Daniel Miranda , Ajinkya Kale , Yapeng Tian

This paper explores hallucination phenomena in large language models (LLMs) through the lens of language philosophy and psychoanalysis. By incorporating Lacan's concepts of the "chain of signifiers" and "suture points," we propose the…

计算与语言 · 计算机科学 2025-03-19 Qiantong Wang

Large language models often hallucinate when processing long and noisy retrieval contexts because they rely on spurious correlations rather than genuine causal relationships. We propose CIP, a lightweight and plug-and-play causal prompting…

计算与语言 · 计算机科学 2025-12-15 Qingsen Ma , Dianyun Wang , Ran Jing , Yujun Sun , Zhenbo Xu

Multimodal Large Language Models (MLLMs) have made significant progress in bridging the gap between visual and language modalities. However, hallucinations in MLLMs, where the generated text does not align with image content, continue to be…

人工智能 · 计算机科学 2024-08-05 Kohou Wang , Xiang Liu , Zhaoxiang Liu , Kai Wang , Shiguo Lian

Large Language Models (LLMs) have demonstrated remarkable capabilities across a variety of tasks in different domains. However, they sometimes generate responses that are logically coherent but factually incorrect or misleading, which is…

计算与语言 · 计算机科学 2025-05-23 Fujie Zhang , Peiqi Yu , Biao Yi , Baolei Zhang , Tong Li , Zheli Liu