English
Related papers

Related papers: TrueBrief: Faithful Summarization through Small La…

200 papers

The advent of large language models (LLMs) has significantly advanced natural language processing tasks like text summarization. However, their large size and computational demands, coupled with privacy concerns in data transmission, limit…

Computation and Language · Computer Science 2024-03-18 Pengcheng Jiang , Cao Xiao , Zifeng Wang , Parminder Bhatia , Jimeng Sun , Jiawei Han

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

Factual hallucination remains a central challenge for large language models (LLMs). Existing mitigation approaches primarily rely on either external post-hoc verification or mapping uncertainty directly to abstention during fine-tuning,…

Artificial Intelligence · Computer Science 2026-02-03 Enes Altinisik , Masoomali Fatehkia , Fatih Deniz , Nadir Durrani , Majd Hawasly , Mohammad Raza , Husrev Taha Sencar

Large language models (LLMs) are susceptible to generating inaccurate or false information, often referred to as "hallucinations" or "confabulations." While several technical advancements have been made to detect hallucinated content by…

Human-Computer Interaction · Computer Science 2025-08-12 Hyo Jin Do , Rachel Ostrand , Werner Geyer , Keerthiram Murugesan , Dennis Wei , Justin Weisz

Hallucination remains a major challenge for the safe and trustworthy deployment of large language models (LLMs) in factual content generation. Prior work has explored confidence estimation as an effective approach to hallucination…

Computation and Language · Computer Science 2026-05-15 Caiqi Zhang , Xiaochen Zhu , Chengzu Li , Nigel Collier , Andreas Vlachos

Accurately modeling user preferences is vital not only for improving recommendation performance but also for enhancing transparency in recommender systems. Conventional user profiling methods, such as averaging item embeddings, often…

Information Retrieval · Computer Science 2025-05-05 Milad Sabouri , Masoud Mansoury , Kun Lin , Bamshad Mobasher

Large Language Models (LLMs) have gained significant popularity for their impressive performance across diverse fields. However, LLMs are prone to hallucinate untruthful or nonsensical outputs that fail to meet user expectations in many…

Computation and Language · Computer Science 2023-11-23 Tianhang Zhang , Lin Qiu , Qipeng Guo , Cheng Deng , Yue Zhang , Zheng Zhang , Chenghu Zhou , Xinbing Wang , Luoyi Fu

Recent advances in Large Language Models (LLMs) have been changing the paradigm of Recommender Systems (RS). However, when items in the recommendation scenarios contain rich textual information, such as product descriptions in online…

Information Retrieval · Computer Science 2024-03-21 Zhi Zheng , Wenshuo Chao , Zhaopeng Qiu , Hengshu Zhu , Hui Xiong

When asked to summarize articles or answer questions given a passage, large language models (LLMs) can hallucinate details and respond with unsubstantiated answers that are inaccurate with respect to the input context. This paper describes…

Computation and Language · Computer Science 2024-10-04 Yung-Sung Chuang , Linlu Qiu , Cheng-Yu Hsieh , Ranjay Krishna , Yoon Kim , James Glass

With the rapid advancement of AI, software engineering increasingly relies on AI-driven approaches, particularly language models (LMs), to enhance code performance. However, the trustworthiness and reliability of LMs remain significant…

Software Engineering · Computer Science 2025-03-19 Jingzhi Gong

This review examines the means with which faithfulness has been evaluated across open-ended summarization, question-answering and machine translation tasks. We find that the use of LLMs as a faithfulness evaluator is commonly the metric…

Computation and Language · Computer Science 2025-09-18 Ben Malin , Tatiana Kalganova , Nikoloas Boulgouris

Large language model (LLM) personalization aims to align model outputs with individuals' unique preferences and opinions. While recent efforts have implemented various personalization methods, a unified theoretical framework that can…

Computation and Language · Computer Science 2025-09-30 Xinliang Frederick Zhang , Nick Beauchamp , Lu Wang

The tendency for hallucination in current large language models (LLMs) negatively impacts dialogue systems. Such hallucinations produce factually incorrect responses that may mislead users and undermine system trust. Existing refinement…

Computation and Language · Computer Science 2026-02-18 Xiangyan Chen , Yujian Gan , Matthew Purver

Large Language Models (LLMs) are widely used to generate plausible text on online platforms, without revealing the generation process. As users increasingly encounter such black-box outputs, detecting hallucinations has become a critical…

Computation and Language · Computer Science 2026-04-08 Joosung Lee , Cheonbok Park , Hwiyeol Jo , Jeonghoon Kim , Joonsuk Park , Kang Min Yoo

Large language models (LLMs), despite their powerful capabilities, suffer from factual hallucinations where they generate verifiable falsehoods. We identify a root of this issue: the imbalanced data distribution in the pretraining corpus,…

Computation and Language · Computer Science 2026-02-03 Langming Liu , Kangtao Lv , Haibin Chen , Weidong Zhang , Yejing Wang , Shilei Liu , Xin Tong , Yujin Yuan , Yongwei Wang , Wenbo Su , Bo Zheng

Summarizing consumer health questions (CHQs) can ease communication in healthcare, but unfaithful summaries that misrepresent medical details pose serious risks. We propose a framework that combines TextRank-based sentence extraction and…

Computation and Language · Computer Science 2025-11-17 Ajwad Abrar , Nafisa Tabassum Oeshy , Prianka Maheru , Farzana Tabassum , Tareque Mohmud Chowdhury

Large Language Models (LLMs) have significantly advanced text generation capabilities, including tasks like summarization, often producing coherent and fluent outputs. However, faithfulness to source material remains a significant challenge…

Computation and Language · Computer Science 2026-01-14 Joonho Yang , Seunghyun Yoon , Hwan Chang , Byeongjeong Kim , Hwanhee Lee

The trustworthiness of Large Language Models (LLMs) refers to the extent to which their outputs are reliable, safe, and ethically aligned, and it has become a crucial consideration alongside their cognitive performance. In practice,…

Computation and Language · Computer Science 2024-12-24 Aaron J. Li , Satyapriya Krishna , Himabindu Lakkaraju

The rapidly developing Large Vision Language Models (LVLMs) have shown notable capabilities on a range of multi-modal tasks, but still face the hallucination phenomena where the generated texts do not align with the given contexts,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Wenyi Xiao , Ziwei Huang , Leilei Gan , Wanggui He , Haoyuan Li , Zhelun Yu , Fangxun Shu , Hao Jiang , Linchao Zhu

Large Language Models offer impressive language capabilities but suffer from well-known limitations, including hallucinations, biases, privacy concerns, and high computational costs. These issues are largely driven by the combination of…

Computation and Language · Computer Science 2025-09-03 Jaime Collado-Montañez , L. Alfonso Ureña-López , Arturo Montejo-Ráez