English
Related papers

Related papers: ReDAct: Uncertainty-Aware Deferral for LLM Agents

200 papers

Recent advancements in massively multilingual machine translation systems have significantly enhanced translation accuracy; however, even the best performing systems still generate hallucinations, severely impacting user trust. Detecting…

Computation and Language · Computer Science 2024-10-22 Kenza Benkirane , Laura Gongas , Shahar Pelles , Naomi Fuchs , Joshua Darmon , Pontus Stenetorp , David Ifeoluwa Adelani , Eduardo Sánchez

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…

Computation and Language · Computer Science 2024-06-18 Xiaoxue Cheng , Junyi Li , Wayne Xin Zhao , Hongzhi Zhang , Fuzheng Zhang , Di Zhang , Kun Gai , Ji-Rong Wen

Recent agent-based recommendation frameworks aim to simulate user behaviors by incorporating memory mechanisms and prompting strategies, but they struggle with hallucinating non-existent items and full-catalog ranking. Besides, a largely…

Information Retrieval · Computer Science 2026-02-25 Mingdai Yang , Nurendra Choudhary , Jiangshu Du , Edward W. Huang , Philip S. Yu , Karthik Subbian , Danai Koutra

Despite the recent advancement in large language models (LLMs) and their high performances across numerous benchmarks, recent research has unveiled that LLMs suffer from hallucinations and unfaithful reasoning. This work studies a specific…

Computation and Language · Computer Science 2024-04-09 Bangzheng Li , Ben Zhou , Fei Wang , Xingyu Fu , Dan Roth , Muhao Chen

Large Language Models (LLMs) are trained on vast and diverse internet corpora that often include inaccurate or misleading content. Consequently, LLMs can generate misinformation, making robust fact-checking essential. This review…

Attribution is a key concept in large language models (LLMs) as it enables control over information sources and enhances the factuality of LLMs. While existing approaches utilize open book question answering to improve attribution, factual…

Computation and Language · Computer Science 2023-11-14 Abdullatif Köksal , Renat Aksitov , Chung-Ching Chang

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…

Computation and Language · Computer Science 2026-02-23 Siya Qi , Yudong Chen , Runcong Zhao , Qinglin Zhu , Zhanghao Hu , Wei Liu , Yulan He , Zheng Yuan , Lin Gui

Hallucination is a persistent challenge in large language models (LLMs), where even with rigorous quality control, models often generate distorted facts. This paradox, in which error generation continues despite high-quality training data,…

Computation and Language · Computer Science 2025-02-25 Yuji Zhang , Sha Li , Cheng Qian , Jiateng Liu , Pengfei Yu , Chi Han , Yi R. Fung , Kathleen McKeown , Chengxiang Zhai , Manling Li , Heng Ji

Large Language Models (LLMs) have demonstrated great potential in complex reasoning tasks, yet they fall short when tackling more sophisticated challenges, especially when interacting with environments through generating executable actions.…

Computation and Language · Computer Science 2025-02-25 Yuqi Zhu , Shuofei Qiao , Yixin Ou , Shumin Deng , Shiwei Lyu , Yue Shen , Lei Liang , Jinjie Gu , Huajun Chen , Ningyu Zhang

Large language models are successful in answering factoid questions but are also prone to hallucination. We investigate the phenomenon of LLMs possessing correct answer knowledge yet still hallucinating from the perspective of inference…

Computation and Language · Computer Science 2024-10-29 Che Jiang , Biqing Qi , Xiangyu Hong , Dayuan Fu , Yang Cheng , Fandong Meng , Mo Yu , Bowen Zhou , Jie Zhou

LLMs often adopt an assertive language style also when making false claims. Such ``overconfident hallucinations'' mislead users and erode trust. Achieving the ability to express in language the actual degree of uncertainty around a claim is…

Computation and Language · Computer Science 2025-04-24 Ziwei Ji , Lei Yu , Yeskendir Koishekenov , Yejin Bang , Anthony Hartshorn , Alan Schelten , Cheng Zhang , Pascale Fung , Nicola Cancedda

Advanced reasoning capabilities in Large Language Models (LLMs) have led to more frequent hallucinations; yet most mitigation work focuses on open-source models for post-hoc detection and parameter editing. The dearth of studies focusing on…

Computation and Language · Computer Science 2026-02-25 Nicole Cho , William Watson , Alec Koppel , Sumitra Ganesh , Manuela Veloso

Large language models (LLMs) have revolutionized natural language processing, yet their propensity for hallucination, generating plausible but factually incorrect or fabricated content, remains a critical challenge. This report provides a…

Computation and Language · Computer Science 2025-08-05 Manuel Cossio

Hallucinations in large language models (LLMs) refer to the phenomenon of LLMs producing responses that are coherent yet factually inaccurate. This issue undermines the effectiveness of LLMs in practical applications, necessitating research…

Computation and Language · Computer Science 2024-06-11 Weihang Su , Changyue Wang , Qingyao Ai , Yiran HU , Zhijing Wu , Yujia Zhou , Yiqun Liu

Large Language Models (LLMs) have demonstrated remarkable capabilities, revolutionizing the integration of AI in daily life applications. However, they are prone to hallucinations, generating claims that contradict established facts,…

Computation and Language · Computer Science 2024-06-14 A B M Ashikur Rahman , Saeed Anwar , Muhammad Usman , Ajmal Mian

In tasks like summarization and open-book question answering (QA), Large Language Models (LLMs) often encounter "contextual hallucination", where they produce irrelevant or incorrect responses despite having access to accurate source…

Computation and Language · Computer Science 2025-07-08 Yu Wang , Kamalika Das , Xiang Gao , Wendi Cui , Peng Li , Jiaxin Zhang

Large language models (LLMs) have transformed various sectors, including education, finance, and medicine, by enhancing content generation and decision-making processes. However, their integration into the medical field is cautious due to…

Information Retrieval · Computer Science 2025-04-15 Yifan Feng , Hao Hu , Xingliang Hou , Shiquan Liu , Shihui Ying , Shaoyi Du , Han Hu , Yue Gao

Hallucination has been a long-standing and inevitable problem that hinders the application of Large Vision-Language Models (LVLMs) in domains that require high reliability. Various methods focus on improvement depending on data annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Chao Wang , Jianming Yang , Yang Zhou

Large Vision-Language Models (LVLMs) typically process visual inputs as a prefix to the language decoder. As the model autoregressively generates text, this initial visual information inevitably undergoes "dilution" leading the model to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zhengtao Zou , Ya Gao , Jiarui Guan , Bin Li , Pekka Marttinen

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…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Ahmad Khalil , Mahmoud Khalil , Alioune Ngom