English
Related papers

Related papers: Reducing Hallucinations in Summarization via Reinf…

200 papers

Advancement in large pretrained language models has significantly improved their performance for conditional language generation tasks including summarization albeit with hallucinations. To reduce hallucinations, conventional methods…

Computation and Language · Computer Science 2023-11-15 Arvind Krishna Sridhar , Erik Visser

A key challenge for abstractive summarization is ensuring factual consistency of the generated summary with respect to the original document. For example, state-of-the-art models trained on existing datasets exhibit entity hallucination,…

Computation and Language · Computer Science 2021-02-19 Feng Nan , Ramesh Nallapati , Zhiguo Wang , Cicero Nogueira dos Santos , Henghui Zhu , Dejiao Zhang , Kathleen McKeown , Bing Xiang

Recent advancements in large language models (LLMs) have significantly enhanced their ability to understand both natural language and code, driving their use in tasks like natural language-to-code (NL2Code) and code summarisation. However,…

Abstractive summarization systems leveraging pre-training language models have achieved superior results on benchmark datasets. However, such models have been shown to be more prone to hallucinate facts that are unfaithful to the input…

Computation and Language · Computer Science 2022-07-07 Haopeng Zhang , Semih Yavuz , Wojciech Kryscinski , Kazuma Hashimoto , Yingbo Zhou

Large Language Models (LLMs) have shown propensity to generate hallucinated outputs, i.e., texts that are factually incorrect or unsupported. Existing methods for alleviating hallucinations typically require costly human annotations to…

Computation and Language · Computer Science 2024-04-03 Yu Xia , Xu Liu , Tong Yu , Sungchul Kim , Ryan A. Rossi , Anup Rao , Tung Mai , Shuai Li

Hallucination in text summarization refers to the phenomenon where the model generates information that is not supported by the input source document. Hallucination poses significant obstacles to the accuracy and reliability of the…

Computation and Language · Computer Science 2023-10-02 Tohida Rehman , Ronit Mandal , Abhishek Agarwal , Debarshi Kumar Sanyal

State-of-the-art abstractive summarization systems often generate \emph{hallucinations}; i.e., content that is not directly inferable from the source text. Despite being assumed incorrect, we find that much hallucinated content is factual,…

Computation and Language · Computer Science 2021-12-07 Meng Cao , Yue Dong , Jackie Chi Kit Cheung

Hallucinations in Large Language Models (LLMs) pose a significant challenge, generating misleading or unverifiable content that undermines trust and reliability. Existing evaluation methods, such as KnowHalu, employ multi-stage verification…

Computation and Language · Computer Science 2026-04-10 Chenggong Zhang , Haopeng Wang , Hexi Meng

Abstractive summarization using large language models (LLMs) has become an essential tool for condensing information. However, despite their ability to generate fluent summaries, these models sometimes produce unfaithful summaries,…

Computation and Language · Computer Science 2025-10-14 Sicong Huang , Qianqi Yan , Shengze Wang , Ian Lane

Large language models (LLMs) frequently produce inaccurate or fabricated information, known as "hallucinations," which compromises their reliability. Existing approaches often train an "Evil LLM" to deliberately generate hallucinations on…

Computation and Language · Computer Science 2026-01-06 Jiani Guo , Xiangke Zeng , Jie Wu , Zuchao Li

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

LLMs are often claimed to be capable of Natural Language Inference (NLI), which is widely regarded as a cornerstone of more complex forms of reasoning. However, recent works show that LLMs still suffer from hallucinations in NLI due to…

Computation and Language · Computer Science 2025-03-17 Liang Cheng , Tianyi Li , Zhaowei Wang , Tianyang Liu , Mark Steedman

Hallucinations in vision-language models pose a significant challenge to their reliability, particularly in the generation of long captions. Current methods fall short of accurately identifying and mitigating these hallucinations. To…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Minchan Kim , Minyeong Kim , Junik Bae , Suhwan Choi , Sungkyung Kim , Buru Chang

Abstractive text summarization has garnered increased interest as of late, in part due to the proliferation of large language models (LLMs). One of the most pressing problems related to generation of abstractive summaries is the need to…

Computation and Language · Computer Science 2023-10-17 Grant C. Forbes , Parth Katlana , Zeydy Ortiz

Hallucination occurs when large language models exhibit behavior that deviates from the boundaries of their knowledge during response generation. To address this critical issue, previous learning-based methods attempt to finetune models but…

Computation and Language · Computer Science 2025-05-27 Xueru Wen , Jie Lou , Xinyu Lu , Ji Yuqiu , Xinyan Guan , Yaojie Lu , Hongyu Lin , Ben He , Xianpei Han , Debing Zhang , Le Sun

Hallucinations in vision-language models (VLMs) hinder reliability and real-world applicability, usually stemming from distribution shifts between pretraining data and test samples. Existing solutions, such as retraining or fine-tuning on…

Multimedia · Computer Science 2025-06-10 Fei Zhao , Chengcui Zhang , Runlin Zhang , Tianyang Wang , Xi Li

Hallucination is a known issue for neural abstractive summarization models. Recent work suggests that the degree of hallucination may depend on errors in the training data. In this work, we propose a new method called Contrastive Parameter…

Computation and Language · Computer Science 2022-05-23 Prafulla Kumar Choubey , Alexander R. Fabbri , Jesse Vig , Chien-Sheng Wu , Wenhao Liu , Nazneen Fatema Rajani

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

Visual hallucinations in Large Language Models (LLMs), where the model generates responses that are inconsistent with the visual input, pose a significant challenge to their reliability, particularly in contexts where precise and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Nokimul Hasan Arif , Shadman Rabby , Md Hefzul Hossain Papon , Sabbir Ahmed

Hallucinations in text generation occur when the system produces text that is not grounded in the input. In this work, we tackle the problem of hallucinations in neural chart summarization. Our analysis shows that the target side of chart…

Computation and Language · Computer Science 2023-08-11 Saad Obaid ul Islam , Iza Škrjanec , Ondřej Dušek , Vera Demberg
‹ Prev 1 2 3 10 Next ›