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Related papers: DecoPrompt : Decoding Prompts Reduces Hallucinatio…

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Large language models (LLMs) can generate fluent natural language texts when given relevant documents as background context. This ability has attracted considerable interest in developing industry applications of LLMs. However, LLMs are…

Computation and Language · Computer Science 2023-10-11 Deren Lei , Yaxi Li , Mengya Hu , Mingyu Wang , Vincent Yun , Emily Ching , Eslam Kamal

Prior work has shown that presupposition in generated questions can introduce unverified assumptions, leading to inconsistencies in claim verification. Additionally, prompt sensitivity remains a significant challenge for large language…

Computation and Language · Computer Science 2025-09-30 Shubhashis Roy Dipta , Francis Ferraro

Large Language Models (LLMs) have recently garnered widespread attention due to their adeptness at generating innovative responses to the given prompts across a multitude of domains. However, LLMs often suffer from the inherent limitation…

Computation and Language · Computer Science 2025-04-15 Sharanya Dasgupta , Sujoy Nath , Arkaprabha Basu , Pourya Shamsolmoali , Swagatam Das

Large language models (LLMs) hallucinate with confidence: their outputs can be fluent, authoritative, and simply wrong. In medical, legal, and scientific applications this failure causes direct harm, and detecting it from internal model…

Computation and Language · Computer Science 2026-05-19 Khizar Hussain , Murat Kantarcioglu

Large Language Models (LLMs) have been demonstrating strong reasoning capability with their chain-of-thoughts (CoT), which are routinely used by humans to judge answer quality. This reliance creates a powerful yet fragile basis for trust.…

Machine Learning · Computer Science 2026-05-22 Wei Shen , Han Wang , Haoyu Li , Huan Zhang

Hallucination has been widely recognized to be a significant drawback for large language models (LLMs). There have been many works that attempt to reduce the extent of hallucination. These efforts have mostly been empirical so far, which…

Computation and Language · Computer Science 2025-02-14 Ziwei Xu , Sanjay Jain , Mohan Kankanhalli

Large language models (LLMs) can be prone to hallucinations - generating unreliable outputs that are unfaithful to their inputs, external facts or internally inconsistent. In this work, we address several challenges for post-hoc…

Computation and Language · Computer Science 2024-08-12 Simon Valentin , Jinmiao Fu , Gianluca Detommaso , Shaoyuan Xu , Giovanni Zappella , Bryan Wang

Large language models (LLMs) are susceptible to generating hallucinated information, despite the integration of retrieval-augmented generation (RAG). Parallel context extension (PCE) is a line of research attempting to effectively…

Computation and Language · Computer Science 2024-12-20 Zexiong Ma , Shengnan An , Zeqi Lin , Yanzhen Zou , Jian-Guang Lou , Bing Xie

While large language models (LLMs) have demonstrated remarkable capabilities across a range of downstream tasks, a significant concern revolves around their propensity to exhibit hallucinations: LLMs occasionally generate content that…

Computation and Language · Computer Science 2025-09-16 Yue Zhang , Yafu Li , Leyang Cui , Deng Cai , Lemao Liu , Tingchen Fu , Xinting Huang , Enbo Zhao , Yu Zhang , Chen Xu , Yulong Chen , Longyue Wang , Anh Tuan Luu , Wei Bi , Freda Shi , Shuming Shi

Large Language Models (LLMs) have demonstrated remarkable proficiency in generating text that closely resemble human writing. However, they often generate factually incorrect statements, a problem typically referred to as 'hallucination'.…

Large language models (LLMs) have achieved impressive performance across a wide range of natural language processing tasks, yet they often produce hallucinated content that undermines factual reliability. To address this challenge, we…

Computation and Language · Computer Science 2026-03-23 Yaxin Zhao , Yu Zhang

Multimodal Large Language Models (MLLMs) have shown impressive perception and reasoning capabilities, yet they often suffer from hallucinations -- generating outputs that are linguistically coherent but inconsistent with the context of the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Bingkui Tong , Jiaer Xia , Kaiyang Zhou

Diffusion large language models (D-LLMs) have recently emerged as a promising alternative to auto-regressive LLMs (AR-LLMs). However, the hallucination problem in D-LLMs remains underexplored, limiting their reliability in real-world…

Computation and Language · Computer Science 2025-10-03 Shenxu Chang , Junchi Yu , Weixing Wang , Yongqiang Chen , Jialin Yu , Philip Torr , Jindong Gu

Large language models (LLMs) have significantly advanced natural language processing tasks, yet they are susceptible to generating inaccurate or unreliable responses, a phenomenon known as hallucination. In critical domains such as health…

Computation and Language · Computer Science 2024-09-20 Sumera Anjum , Hanzhi Zhang , Wenjun Zhou , Eun Jin Paek , Xiaopeng Zhao , Yunhe Feng

Large Language Models (LLMs) are able to provide assistance on a wide range of information-seeking tasks. However, model outputs may be misleading, whether unintentionally or in cases of intentional deception. We investigate the ability of…

Computation and Language · Computer Science 2024-07-17 Betty Li Hou , Kejian Shi , Jason Phang , James Aung , Steven Adler , Rosie Campbell

An interesting behavior in large language models (LLMs) is prompt sensitivity. When provided with different but semantically equivalent versions of the same prompt, models may produce very different distributions of answers. This suggests…

Computation and Language · Computer Science 2025-10-21 Kyle Cox , Jiawei Xu , Yikun Han , Rong Xu , Tianhao Li , Chi-Yang Hsu , Tianlong Chen , Walter Gerych , Ying Ding

Recently developed large language models have achieved remarkable success in generating fluent and coherent text. However, these models often tend to 'hallucinate' which critically hampers their reliability. In this work, we address this…

Computation and Language · Computer Science 2023-08-15 Neeraj Varshney , Wenlin Yao , Hongming Zhang , Jianshu Chen , Dong Yu

Alignment is a standard procedure to fine-tune pre-trained large language models (LLMs) to follow natural language instructions and serve as helpful AI assistants. We have observed, however, that the conventional alignment process fails to…

Computation and Language · Computer Science 2024-05-03 Sheng-Chieh Lin , Luyu Gao , Barlas Oguz , Wenhan Xiong , Jimmy Lin , Wen-tau Yih , Xilun Chen

Prompt serves as a crucial link in interacting with large language models (LLMs), widely impacting the accuracy and interpretability of model outputs. However, acquiring accurate and high-quality responses necessitates precise prompts,…

Cryptography and Security · Computer Science 2024-08-20 Xiongtao Sun , Gan Liu , Zhipeng He , Hui Li , Xiaoguang Li

Hallucination has emerged as the most vulnerable aspect of contemporary Large Language Models (LLMs). In this paper, we introduce the Sorry, Come Again (SCA) prompting, aimed to avoid LLM hallucinations by enhancing comprehension through:…

Computation and Language · Computer Science 2024-03-29 Vipula Rawte , S. M Towhidul Islam Tonmoy , S M Mehedi Zaman , Prachi Priya , Aman Chadha , Amit P. Sheth , Amitava Das