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Claim span identification (CSI) is an important step in fact-checking pipelines, aiming to identify text segments that contain a checkworthy claim or assertion in a social media post. Despite its importance to journalists and human…

Computation and Language · Computer Science 2023-10-30 Shubham Mittal , Megha Sundriyal , Preslav Nakov

Deploying Large Language Models (LLMs) in medical applications requires fact-checking capabilities to ensure patient safety and regulatory compliance. We introduce MedFact, a challenging Chinese medical fact-checking benchmark with 2,116…

Computation and Language · Computer Science 2025-11-18 Jiayi He , Yangmin Huang , Qianyun Du , Xiangying Zhou , Zhiyang He , Jiaxue Hu , Xiaodong Tao , Lixian Lai

The increased use of large language models (LLMs) across a variety of real-world applications calls for automatic tools to check the factual accuracy of their outputs, as LLMs often hallucinate. This is difficult as it requires assessing…

Computation and Language · Computer Science 2025-10-30 Hasan Iqbal , Yuxia Wang , Minghan Wang , Georgi Georgiev , Jiahui Geng , Iryna Gurevych , Preslav Nakov

As Large Language Models (LLMs) are increasingly popularized in the multilingual world, ensuring hallucination-free factuality becomes markedly crucial. However, existing benchmarks for evaluating the reliability of Multimodal Large…

Computation and Language · Computer Science 2026-01-28 Yexing Du , Kaiyuan Liu , Youcheng Pan , Zheng Chu , Bo Yang , Xiaocheng Feng , Ming Liu , Yang Xiang

Multimodal large language models (MLLMs) carry the potential to support humans in processing vast amounts of information. While MLLMs are already being used as a fact-checking tool, their abilities and limitations in this regard are…

Computation and Language · Computer Science 2024-04-29 Jiahui Geng , Yova Kementchedjhieva , Preslav Nakov , Iryna Gurevych

In this paper, we explore the challenges associated with establishing an end-to-end fact-checking pipeline in a real-world context, covering over 90 languages. Our real-world experimental benchmarks demonstrate that fine-tuning Transformer…

Computation and Language · Computer Science 2024-05-01 Vinay Setty

Evaluating the factuality of long-form large language model (LLM)-generated text is an important challenge. Recently there has been a surge of interest in factuality evaluation for English, but little is known about the factuality…

Computation and Language · Computer Science 2024-10-04 Sheikh Shafayat , Eunsu Kim , Juhyun Oh , Alice Oh

Whilst fact verification has attracted substantial interest in the natural language processing community, verifying misinforming statements against data visualizations such as charts has so far been overlooked. Charts are commonly used in…

Computation and Language · Computer Science 2024-02-19 Mubashara Akhtar , Nikesh Subedi , Vivek Gupta , Sahar Tahmasebi , Oana Cocarascu , Elena Simperl

The rapid development of Large Language Models (LLMs) has transformed fake news detection and fact-checking tasks from simple classification to complex reasoning. However, evaluation frameworks have not kept pace. Current benchmarks are…

Computation and Language · Computer Science 2026-04-21 Cheng Xu , Changhong Jin , Yingjie Niu , Nan Yan , Yuke Mei , Shuhao Guan , Liming Chen , M-Tahar Kechadi

Universal fact-checking systems for real-world claims face significant challenges in gathering valid and sufficient real-time evidence and making reasoned decisions. In this work, we introduce the Open-domain Explainable Fact-checking…

Computation and Language · Computer Science 2023-12-12 Xin Tan , Bowei Zou , Ai Ti Aw

Large language models (LLMs) have raised hopes for automated end-to-end fact-checking, but prior studies report mixed results. As mainstream chatbots increasingly ship with reasoning capabilities and web search tools -- and millions of…

Computation and Language · Computer Science 2025-11-25 Matthew R. DeVerna , Kai-Cheng Yang , Harry Yaojun Yan , Filippo Menczer

Previous multilingual benchmarks focus primarily on simple understanding tasks, but for large language models(LLMs), we emphasize proficiency in instruction following, reasoning, long context understanding, code generation, and so on.…

Computation and Language · Computer Science 2025-04-22 Xu Huang , Wenhao Zhu , Hanxu Hu , Conghui He , Lei Li , Shujian Huang , Fei Yuan

Scaling semantic parsing models for task-oriented dialog systems to new languages is often expensive and time-consuming due to the lack of available datasets. Available datasets suffer from several shortcomings: a) they contain few…

Computation and Language · Computer Science 2021-01-28 Haoran Li , Abhinav Arora , Shuohui Chen , Anchit Gupta , Sonal Gupta , Yashar Mehdad

In this paper we present the ClaimBuster dataset of 23,533 statements extracted from all U.S. general election presidential debates and annotated by human coders. The ClaimBuster dataset can be leveraged in building computational methods to…

Computation and Language · Computer Science 2020-05-01 Fatma Arslan , Naeemul Hassan , Chengkai Li , Mark Tremayne

Fact-checking benchmarks provide standardized testing criteria for automated fact-checking systems, driving technological advancement. With the surge of misinformation on social media and the emergence of various fact-checking methods,…

Computation and Language · Computer Science 2025-10-28 Xiaocheng Zhang , Xi Wang , Yifei Lu , Jianing Wang , Zhuangzhuang Ye , Mengjiao Bao , Peng Yan , Xiaohong Su

Large language models (LLMs) often generate content that contains factual errors when responding to fact-seeking prompts on open-ended topics. To benchmark a model's long-form factuality in open domains, we first use GPT-4 to generate…

Computation and Language · Computer Science 2024-11-08 Jerry Wei , Chengrun Yang , Xinying Song , Yifeng Lu , Nathan Hu , Jie Huang , Dustin Tran , Daiyi Peng , Ruibo Liu , Da Huang , Cosmo Du , Quoc V. Le

The widespread adoption of Large Language Models (LLMs) raises critical concerns about the factual accuracy of their outputs, especially in high-risk domains such as biomedicine, law, and education. Existing evaluation methods for short…

Computation and Language · Computer Science 2025-10-30 Yucheng Ning , Xixun Lin , Fang Fang , Yanan Cao

Task-oriented dialogue research has mainly focused on a few popular languages like English and Chinese, due to the high dataset creation cost for a new language. To reduce the cost, we apply manual editing to automatically translated data.…

In the digital age, seeking health advice on the Internet has become a common practice. At the same time, determining the trustworthiness of online medical content is increasingly challenging. Fact-checking has emerged as an approach to…

Computation and Language · Computer Science 2024-03-26 Juraj Vladika , Phillip Schneider , Florian Matthes

Few-shot learning has drawn researchers' attention to overcome the problem of data scarcity. Recently, large pre-trained language models have shown great performance in few-shot learning for various downstream tasks, such as question…

Computation and Language · Computer Science 2021-03-18 Nayeon Lee , Yejin Bang , Andrea Madotto , Madian Khabsa , Pascale Fung