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Large language models (LLMs) encode parametric knowledge about world facts and have shown remarkable performance in knowledge-driven NLP tasks. However, their reliance on parametric knowledge may cause them to overlook contextual cues,…

计算与语言 · 计算机科学 2023-10-24 Wenxuan Zhou , Sheng Zhang , Hoifung Poon , Muhao Chen

Large language models (LLMs), such as LLaMA, Alpaca, Vicuna, GPT-3.5 and GPT-4, have advanced the performance of AI systems on various natural language processing tasks to human-like levels. However, their generalisation and robustness when…

计算与语言 · 计算机科学 2025-01-20 Qiming Bao , Gael Gendron , Alex Yuxuan Peng , Wanjun Zhong , Neset Tan , Yang Chen , Michael Witbrock , Jiamou Liu

The increasing proliferation of misinformation and its alarming impact have motivated both industry and academia to develop approaches for misinformation detection and fact checking. Recent advances on large language models (LLMs) have…

计算与语言 · 计算机科学 2024-07-22 Sahar Tahmasebi , Eric Müller-Budack , Ralph Ewerth

This paper develops an agent-based automated fact-checking approach for detecting misinformation. We demonstrate that combining a powerful LLM agent, which does not have access to the internet for searches, with an online web search agent…

This paper presents our system for Task 3 of the CLEF 2025 CheckThat! Lab, which focuses on verifying numerical and temporal claims using retrieved evidence. We explore two complementary approaches: zero-shot prompting with…

计算与语言 · 计算机科学 2025-09-16 Anirban Saha Anik , Md Fahimul Kabir Chowdhury , Andrew Wyckoff , Sagnik Ray Choudhury

Petroni et al. (2019) demonstrated that it is possible to retrieve world facts from a pre-trained language model by expressing them as cloze-style prompts and interpret the model's prediction accuracy as a lower bound on the amount of…

计算与语言 · 计算机科学 2021-12-15 Zexuan Zhong , Dan Friedman , Danqi Chen

The language ability of Large Language Models (LLMs) is often unbalanced towards English because of the imbalance in the distribution of the pre-training data. This disparity is demanded in further fine-tuning and affecting the…

计算与语言 · 计算机科学 2024-10-30 Leonardo Ranaldi , Giulia Pucci , Andre Freitas

Large Language Models (LLMs) have shown impressive capability in language generation and understanding, but their tendency to hallucinate and produce factually incorrect information remains a key limitation. To verify LLM-generated contents…

计算与语言 · 计算机科学 2025-06-03 Kushan Mitra , Dan Zhang , Sajjadur Rahman , Estevam Hruschka

Large language models (LLMs) have demonstrated remarkable performance across various real-world tasks. However, they often struggle to fully comprehend and effectively utilize their input contexts, resulting in responses that are unfaithful…

计算与语言 · 计算机科学 2024-09-18 Qingru Zhang , Xiaodong Yu , Chandan Singh , Xiaodong Liu , Liyuan Liu , Jianfeng Gao , Tuo Zhao , Dan Roth , Hao Cheng

Factual knowledge extraction aims to explicitly extract knowledge parameterized in pre-trained language models for application in downstream tasks. While prior work has been investigating the impact of supervised fine-tuning data on the…

计算与语言 · 计算机科学 2025-05-30 Xuan Gong , Hanbo Huang , Shiyu Liang

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…

计算与语言 · 计算机科学 2024-05-01 Vinay Setty

This paper deals with improving querying large language models (LLMs). It is well-known that without relevant contextual information, LLMs can provide poor quality responses or tend to hallucinate. Several initiatives have proposed…

计算与语言 · 计算机科学 2025-07-14 Nripesh Niketan , Hadj Batatia

The past decade has seen a substantial rise in the amount of mis- and disinformation online, from targeted disinformation campaigns to influence politics, to the unintentional spreading of misinformation about public health. This…

计算与语言 · 计算机科学 2021-12-09 Isabelle Augenstein

A prominent weakness of modern language models (LMs) is their tendency to generate factually incorrect text, which hinders their usability. A natural question is whether such factual errors can be detected automatically. Inspired by…

计算与语言 · 计算机科学 2023-05-23 Roi Cohen , May Hamri , Mor Geva , Amir Globerson

The paper introduces a framework for the evaluation of the encoding of factual scientific knowledge, designed to streamline the manual evaluation process typically conducted by domain experts. Inferring over and extracting information from…

计算与语言 · 计算机科学 2024-10-21 Magdalena Wysocka , Oskar Wysocki , Maxime Delmas , Vincent Mutel , Andre Freitas

Despite demonstrating impressive capabilities, Large Language Models (LLMs) still often struggle to accurately express the factual knowledge they possess, especially in cases where the LLMs' knowledge boundaries are ambiguous. To improve…

计算与语言 · 计算机科学 2025-05-26 Boyang Xue , Fei Mi , Qi Zhu , Hongru Wang , Rui Wang , Sheng Wang , Erxin Yu , Xuming Hu , Kam-Fai Wong

Large Language Models (LLMs) have garnered significant attention for their powerful ability in natural language understanding and reasoning. In this paper, we present a comprehensive empirical study to explore the performance of LLMs on…

计算与语言 · 计算机科学 2024-12-30 Mengyang Chen , Lingwei Wei , Han Cao , Wei Zhou , Songlin Hu

Fact-checking has become increasingly important due to the speed with which both information and misinformation can spread in the modern media ecosystem. Therefore, researchers have been exploring how fact-checking can be automated, using…

计算与语言 · 计算机科学 2022-06-07 Zhijiang Guo , Michael Schlichtkrull , Andreas Vlachos

This paper presents a reproducibility study examining how Large Language Models (LLMs) manage competing factual and counterfactual information, focusing on the role of attention heads in this process. We attempt to reproduce and reconcile…

计算与语言 · 计算机科学 2025-07-17 Dante Campregher , Yanxu Chen , Sander Hoffman , Maria Heuss

The rise of large language models (LLMs) has revolutionized the way that we interact with artificial intelligence systems through natural language. However, LLMs often misinterpret user queries because of their uncertain intention, leading…

计算与语言 · 计算机科学 2024-02-07 Jing-Cheng Pang , Heng-Bo Fan , Pengyuan Wang , Jia-Hao Xiao , Nan Tang , Si-Hang Yang , Chengxing Jia , Sheng-Jun Huang , Yang Yu