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Large Language Models (LLMs) frequently generate hallucinated content, posing significant challenges for applications where factuality is crucial. While existing hallucination detection methods typically operate at the sentence level or…

机器学习 · 计算机科学 2026-02-02 Albert Sawczyn , Jakub Binkowski , Denis Janiak , Bogdan Gabrys , Tomasz Kajdanowicz

The rapid development of social platforms exacerbates the dissemination of misinformation, which stimulates the research in fact verification. Recent studies tend to leverage semantic features to solve this problem as a single-hop task.…

计算与语言 · 计算机科学 2025-03-12 Han Cao , Lingwei Wei , Wei Zhou , Songlin Hu

Schema linking is a critical bottleneck in applying existing Text-to-SQL models to real-world, large-scale, multi-database environments. Through error analysis, we identify two major challenges in schema linking: (1) Database Retrieval:…

计算与语言 · 计算机科学 2025-09-09 Yihan Wang , Peiyu Liu , Xin Yang

Misinformation is now a major problem due to its potential high risks to our core democratic and societal values and orders. Out-of-context misinformation is one of the easiest and effective ways used by adversaries to spread viral false…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Sahar Abdelnabi , Rakibul Hasan , Mario Fritz

Fact verification based on structured data is challenging as it requires models to understand both natural language and symbolic operations performed over tables. Although pre-trained language models have demonstrated a strong capability in…

计算与语言 · 计算机科学 2021-09-24 Xiaoyu Yang , Xiaodan Zhu

Fact verification has attracted a lot of attention in the machine learning and natural language processing communities, as it is one of the key methods for detecting misinformation. Existing large-scale benchmarks for this task have focused…

As recent events have demonstrated, disinformation spread through social networks can have dire political, economic and social consequences. Detecting disinformation must inevitably rely on the structure of the network, on users…

社会与信息网络 · 计算机科学 2021-09-27 Marius Paraschiv , Nikos Salamanos , Costas Iordanou , Nikolaos Laoutaris , Michael Sirivianos

Knowledge graphs (KGs) have become a valuable asset for many AI applications. Although some KGs contain plenty of facts, they are widely acknowledged as incomplete. To address this issue, many KG completion methods are proposed. Among them,…

信息检索 · 计算机科学 2022-01-24 Jiacheng Huang , Yao Zhao , Wei Hu , Zhen Ning , Qijin Chen , Xiaoxia Qiu , Chengfu Huo , Weijun Ren

The rise of misinformation underscores the need for scalable and reliable fact-checking solutions. Large language models (LLMs) hold promise in automating fact verification, yet their effectiveness across global contexts remains uncertain.…

Confidence-aware learning is proven as an effective solution to prevent networks becoming overconfident. We present a confidence-aware camouflaged object detection framework using dynamic supervision to produce both accurate camouflage map…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Jiawei Liu , Jing Zhang , Nick Barnes

Manual fact-checking does not scale well to serve the needs of the internet. This issue is further compounded in non-English contexts. In this paper, we discuss claim matching as a possible solution to scale fact-checking. We define claim…

计算与语言 · 计算机科学 2021-06-03 Ashkan Kazemi , Kiran Garimella , Devin Gaffney , Scott A. Hale

Wikidata has grown to a knowledge graph with an impressive size. To date, it contains more than 17 billion triples collecting information about people, places, films, stars, publications, proteins, and many more. On the other side, most of…

计算与语言 · 计算机科学 2024-01-17 Kunpeng Guo , Dennis Diefenbach , Antoine Gourru , Christophe Gravier

In data science, there is a long history of using synthetic data for method development, feature selection and feature engineering. Our current interest in synthetic data comes from recent work in explainability. Today's datasets are…

机器学习 · 计算机科学 2020-07-22 Brian Barr , Ke Xu , Claudio Silva , Enrico Bertini , Robert Reilly , C. Bayan Bruss , Jason D. Wittenbach

Resolving conflicts is critical for improving the reliability of multi-view classification. While prior work focuses on learning consistent and informative representations across views, it often assumes perfect alignment and equal…

机器学习 · 计算机科学 2025-06-24 Jueqing Lu , Wray Buntine , Yuanyuan Qi , Joanna Dipnall , Belinda Gabbe , Lan Du

Despite the great success of large language models (LLMs) in various tasks, they suffer from generating hallucinations. We introduce Truth Forest, a method that enhances truthfulness in LLMs by uncovering hidden truth representations using…

计算与语言 · 计算机科学 2024-01-19 Zhongzhi Chen , Xingwu Sun , Xianfeng Jiao , Fengzong Lian , Zhanhui Kang , Di Wang , Cheng-Zhong Xu

Recent work has demonstrated the viability of using crowdsourcing as a tool for evaluating the truthfulness of public statements. Under certain conditions such as: (1) having a balanced set of workers with different backgrounds and…

Wikidata is currently the largest open knowledge graph on the web, encompassing over 120 million entities. It integrates data from various domain-specific databases and imports a substantial amount of content from Wikipedia, while also…

计算与语言 · 计算机科学 2026-01-06 Shixiong Zhao , Hideaki Takeda

Unstructured data is pervasive, but analytical queries demand structured representations, creating a significant extraction challenge. Existing methods like RAG lack schema awareness and struggle with cross-document alignment, leading to…

数据库 · 计算机科学 2025-11-05 Daren Chao , Kaiwen Chen , Naiqing Guan , Nick Koudas

The factuality of large language model (LLMs) tends to decay over time since events posterior to their training are "unknown" to them. One way to keep models up-to-date could be factual update: the task of inserting, replacing, or removing…

计算与语言 · 计算机科学 2024-03-22 Hichem Ammar Khodja , Frédéric Béchet , Quentin Brabant , Alexis Nasr , Gwénolé Lecorvé

Large language models (LLMs) augmented with retrieval systems have demonstrated significant potential in handling knowledge-intensive tasks. However, these models often struggle with unfaithfulness issues, generating outputs that either…

计算与语言 · 计算机科学 2025-07-09 Qinggang Zhang , Zhishang Xiang , Yilin Xiao , Le Wang , Junhui Li , Xinrun Wang , Jinsong Su