English
Related papers

Related papers: Detecting Hallucinated Content in Conditional Neur…

200 papers

Large language models (LLMs) are susceptible to hallucinations -- factually incorrect outputs -- leading to a large body of work on detecting and mitigating such cases. We argue that it is important to distinguish between two types of…

Computation and Language · Computer Science 2025-02-19 Adi Simhi , Jonathan Herzig , Idan Szpektor , Yonatan Belinkov

Large language models (LLMs) have transformed natural language processing, achieving remarkable performance across diverse tasks. However, their impressive fluency often comes at the cost of producing false or fabricated information, a…

Computation and Language · Computer Science 2026-03-20 Aisha Alansari , Hamzah Luqman

Large language models (LLMs) are notorious for hallucinating, i.e., producing erroneous claims in their output. Such hallucinations can be dangerous, as occasional factual inaccuracies in the generated text might be obscured by the rest of…

Multimodal large language models (MLLMs) have revolutionized cross-modal understanding but continue to struggle with hallucinations - fabricated content contradicting visual inputs. Existing hallucination mitigation methods either incur…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Shangpin Peng , Senqiao Yang , Li Jiang , Zhuotao Tian

Large language models (LLMs) often generate responses that deviate from user input or training data, a phenomenon known as "hallucination." These hallucinations undermine user trust and hinder the adoption of generative AI systems.…

Computation and Language · Computer Science 2025-04-25 Yejin Bang , Ziwei Ji , Alan Schelten , Anthony Hartshorn , Tara Fowler , Cheng Zhang , Nicola Cancedda , Pascale Fung

As large language models continue to develop in the field of AI, text generation systems are susceptible to a worrisome phenomenon known as hallucination. In this study, we summarize recent compelling insights into hallucinations in LLMs.…

Computation and Language · Computer Science 2023-09-14 Hongbin Ye , Tong Liu , Aijia Zhang , Wei Hua , Weiqiang Jia

The increasing reliance on natural language generation (NLG) models, particularly large language models, has raised concerns about the reliability and accuracy of their outputs. A key challenge is hallucination, where models produce…

Computation and Language · Computer Science 2025-10-23 Fan Xu , Xinyu Hu , Zhenghan Yu , Li Lin , Xu Zhang , Yang Zhang , Wei Zhou , Jinjie Gu , Xiaojun Wan

Large Language Models (LLMs) have demonstrated remarkable performance across various tasks. However, they are prone to contextual hallucination, generating information that is either unsubstantiated or contradictory to the given context.…

Computation and Language · Computer Science 2025-04-29 Siyi Liu , Kishaloy Halder , Zheng Qi , Wei Xiao , Nikolaos Pappas , Phu Mon Htut , Neha Anna John , Yassine Benajiba , Dan Roth

The automated detection of hallucinations and training data contamination is pivotal to the safe deployment of Large Language Models (LLMs). These tasks are particularly challenging in settings where no access to model internals is…

Machine Learning · Computer Science 2025-10-01 Guy Bar-Shalom , Fabrizio Frasca , Derek Lim , Yoav Gelberg , Yftah Ziser , Ran El-Yaniv , Gal Chechik , Haggai Maron

Large Vision-Language Models (LVLMs) usually generate texts which satisfy context coherence but don't match the visual input. Such a hallucination issue hinders LVLMs' applicability in the real world. The key to solving hallucination in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Nanxing Hu , Xiaoyue Duan , Jinchao Zhang , Guoliang Kang

Conditional text generation often requires lexical constraints, i.e., which words should or shouldn't be included in the output text. While the dominant recipe for conditional text generation has been large-scale pretrained language models…

Computation and Language · Computer Science 2021-04-22 Ximing Lu , Peter West , Rowan Zellers , Ronan Le Bras , Chandra Bhagavatula , Yejin Choi

In many reasoning tasks, large language models (LLMs) rely on structured external knowledge, such as graphs and tables, which is typically linearized into sequential token representations. However, even when sufficient knowledge is…

Computation and Language · Computer Science 2026-05-27 Shanghao Li , Jinda Han , Yibo Wang , Yuanjie Zhu , Zihe Song , Langzhou He , Kenan Kamel A Alghythee , Philip S. Yu

Plausible, but inaccurate, tokens in model-generated text are widely believed to be pervasive and problematic for the responsible adoption of language models. Despite this concern, there is little scientific work that attempts to measure…

Computation and Language · Computer Science 2025-11-06 Justin D. Norman , Michael U. Rivera , D. Alex Hughes

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…

Computation and Language · Computer Science 2026-01-09 Yusheng Song , Lirong Qiu , Xi Zhang , Zhihao Tang

Object hallucination is a significant challenge that hinders the application of large vision-language models (LVLMs) in practice. We hypothesize that one possible origin of hallucination is the model's tendency to prioritize text generation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Meng Shen , Minghao Wu , Deepu Rajan

Hallucinations of vision-language models (VLMs), which are misalignments between visual content and generated text, undermine the reliability of VLMs. One common approach for detecting them employs the same VLM, or a different one, to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Ofir Azachi , Kfir Eliyahu , Eyal El Ani , Rom Himelstein , Roi Reichart , Yuval Pinter , Nitay Calderon

Recent advancements in multimodal large language models (MLLMs) have significantly improved performance in visual question answering. However, they often suffer from hallucinations. In this work, hallucinations are categorized into two main…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Feilong Tang , Chengzhi Liu , Zhongxing Xu , Ming Hu , Zelin Peng , Zhiwei Yang , Jionglong Su , Minquan Lin , Yifan Peng , Xuelian Cheng , Imran Razzak , Zongyuan Ge

Hallucination is a well-known phenomenon in text generated by large language models (LLMs). The existence of hallucinatory responses is found in almost all application scenarios e.g., summarization, question-answering (QA) etc. For…

Computation and Language · Computer Science 2023-12-11 Mobashir Sadat , Zhengyu Zhou , Lukas Lange , Jun Araki , Arsalan Gundroo , Bingqing Wang , Rakesh R Menon , Md Rizwan Parvez , Zhe Feng

Automatic headline generation enables users to comprehend ongoing news events promptly and has recently become an important task in web mining and natural language processing. With the growing need for news headline generation, we argue…

Computation and Language · Computer Science 2023-02-14 Jiaming Shen , Jialu Liu , Dan Finnie , Negar Rahmati , Michael Bendersky , Marc Najork

Hallucination in large language models (LLMs) is a fundamental challenge, particularly in open-domain question answering. Prior work attempts to detect hallucination with model-internal signals such as token-level entropy or generation…

Computation and Language · Computer Science 2025-11-25 Shuo Zhang , Fabrizio Gotti , Fengran Mo , Jian-Yun Nie