English
Related papers

Related papers: Shared Imagination: LLMs Hallucinate Alike

200 papers

When large language models are aligned via supervised fine-tuning, they may encounter new factual information that was not acquired through pre-training. It is often conjectured that this can teach the model the behavior of hallucinating…

Computation and Language · Computer Science 2024-10-02 Zorik Gekhman , Gal Yona , Roee Aharoni , Matan Eyal , Amir Feder , Roi Reichart , Jonathan Herzig

Large Language Models (LLMs) offer new avenues to simulate online communities and social media. Potential applications range from testing the design of content recommendation algorithms to estimating the effects of content policies and…

Computation and Language · Computer Science 2026-04-02 Azza Bouleimen , Giordano De Marzo , Taehee Kim , Nicol`o Pagan , Hannah Metzler , Silvia Giordano , Anikó Hannák , David Garcia

Hallucinations, a phenomenon where a language model (LM) generates nonfactual content, pose a significant challenge to the practical deployment of LMs. While many empirical methods have been proposed to mitigate hallucinations, recent…

Computation and Language · Computer Science 2026-05-18 Atsushi Suzuki , Yulan He , Feng Tian , Zhongyuan Wang

The illusion phenomenon of large language models (LLMs) is the core obstacle to their reliable deployment. This article formalizes the large language model as a probabilistic Turing machine by constructing a "computational necessity…

Artificial Intelligence · Computer Science 2025-12-09 Wang Xi , Quan Shi , Zenghui Ding , Jianqing Gao , Xianjun Yang

Despite significant strides in factual reliability, errors -- often termed hallucinations -- remain a major concern for generative AI, especially as LLMs are increasingly expected to be helpful in more complex or nuanced setups. Yet even in…

Computation and Language · Computer Science 2026-05-05 Gal Yona , Mor Geva , Yossi Matias

Empowered by vast internal knowledge reservoir, the new generation of large language models (LLMs) demonstrate untapped potential to tackle medical tasks. However, there is insufficient effort made towards summoning up a synergic effect…

Computation and Language · Computer Science 2025-05-23 Kexin Shang , Chia-Hsuan Chang , Christopher C. Yang

Large Language Models (LLMs) have acquired ubiquitous attention for their performances across diverse domains. Our study here searches through LLMs' cognitive abilities and confidence dynamics. We dive deep into understanding the alignment…

Computation and Language · Computer Science 2023-09-29 Aniket Kumar Singh , Suman Devkota , Bishal Lamichhane , Uttam Dhakal , Chandra Dhakal

Instruction-following Vision Large Language Models (VLLMs) have achieved significant progress recently on a variety of tasks. These approaches merge strong pre-trained vision models and large language models (LLMs). Since these components…

Machine Learning · Computer Science 2024-02-20 Yiyang Zhou , Chenhang Cui , Rafael Rafailov , Chelsea Finn , Huaxiu Yao

Large language models (LLMs) are highly capable of answering questions, but they are often unaware of their own knowledge boundary, i.e., knowing what they know and what they don't know. As a result, they can generate factually incorrect…

Computation and Language · Computer Science 2026-01-30 Christopher Adrian Kusuma , Muhammad Reza Qorib , Hwee Tou Ng

Given the emergent reasoning abilities of large language models, information retrieval is becoming more complex. Rather than just retrieve a document, modern information retrieval systems advertise that they can synthesize an answer based…

Information Retrieval · Computer Science 2024-03-15 Gregory Coppola

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

Multimodal hallucination in multimodal large language models (MLLMs) restricts the correctness of MLLMs. However, multimodal hallucinations are multi-sourced and arise from diverse causes. Existing benchmarks fail to adequately distinguish…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Bowen Dong , Minheng Ni , Zitong Huang , Guanglei Yang , Wangmeng Zuo , Lei Zhang

Large Language Models (LLMs) are adept at text manipulation -- tasks such as machine translation and text summarization. However, these models can also be prone to hallucination, which can be detrimental to the faithfulness of any answers…

Computation and Language · Computer Science 2024-04-04 Priyesh Vakharia , Devavrat Joshi , Meenal Chavan , Dhananjay Sonawane , Bhrigu Garg , Parsa Mazaheri

Large language models (LLMs) have shown exceptional proficiency in natural language processing but often fall short of generating creative and original responses to open-ended questions. To enhance LLM creativity, our key insight is to…

Computation and Language · Computer Science 2024-08-09 Li-Chun Lu , Shou-Jen Chen , Tsung-Min Pai , Chan-Hung Yu , Hung-yi Lee , Shao-Hua Sun

Large Language Models (LLMs) have demonstrated immense advances in a wide range of natural language tasks. However, these models are susceptible to hallucinations and errors on particularly temporal understanding tasks involving multiple…

Computation and Language · Computer Science 2025-06-30 Alexandru Dumitru , V Venktesh , Adam Jatowt , Avishek Anand

This paper presents an in-depth analysis of Large Language Models (LLMs), focusing on LLaMA, a prominent open-source foundational model in natural language processing. Instead of assessing LLaMA through its generative output, we design…

Computation and Language · Computer Science 2024-01-10 Nuo Chen , Ning Wu , Shining Liang , Ming Gong , Linjun Shou , Dongmei Zhang , Jia Li

Hallucination in Large Language Models (LLMs) refers to the generation of content that is not faithful to the input or the real-world facts. This paper provides a rigorous treatment of hallucination in LLMs, including formal definitions and…

Computation and Language · Computer Science 2025-08-01 Esmail Gumaan

In the real world, knowledge often exists in a multimodal and heterogeneous form. Addressing the task of question answering with hybrid data types, including text, tables, and images, is a challenging task (MMHQA). Recently, with the rise…

Computation and Language · Computer Science 2023-09-12 Weihao Liu , Fangyu Lei , Tongxu Luo , Jiahe Lei , Shizhu He , Jun Zhao , Kang Liu

Recent progress in generative AI, including large language models (LLMs) like ChatGPT, has opened up significant opportunities in fields ranging from natural language processing to knowledge discovery and data mining. However, there is also…

Artificial Intelligence · Computer Science 2024-04-03 Navapat Nananukul , Mayank Kejriwal

Large Language Models (LLMs) have demonstrated amazing capabilities in language generation, text comprehension, and knowledge reasoning. While a single powerful model can already handle multiple tasks, relying on a single perspective can…

Computation and Language · Computer Science 2024-06-12 Zining Qin , Chenhao Wang , Huiling Qin , Weijia Jia