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Knowledge graphs have emerged as an important model for studying complex multi-relational data. This has given rise to the construction of numerous large scale but incomplete knowledge graphs encoding information extracted from various…

机器学习 · 计算机科学 2018-07-24 Rakshit Trivedi , Bunyamin Sisman , Jun Ma , Christos Faloutsos , Hongyuan Zha , Xin Luna Dong

The modern digital world is highly heterogeneous, encompassing a wide variety of communications, devices, and services. This interconnectedness generates, synchronises, stores, and presents digital information in multidimensional, complex…

密码学与安全 · 计算机科学 2024-02-22 Ali Alshumrani , Nathan Clarke , Bogdan Ghita

Fraud detection is to identify, monitor, and prevent potentially fraudulent activities from complex data. The recent development and success in AI, especially machine learning, provides a new data-driven way to deal with fraud. From a…

机器学习 · 统计学 2023-05-19 Biao Xu , Yao Wang , Xiuwu Liao , Kaidong Wang

The increasing applications of autonomous driving systems necessitates large-scale, high-quality datasets to ensure robust performance across diverse scenarios. Synthetic data has emerged as a viable solution to augment real-world datasets…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Enes Özeren , Arka Bhowmick

The growing complexity of factual claims in real-world scenarios presents significant challenges for automated fact verification systems, particularly in accurately aggregating and reasoning over multi-hop evidence. Existing approaches…

人工智能 · 计算机科学 2025-06-10 Liwen Zheng , Chaozhuo Li , Haoran Jia , Xi Zhang

Retrieval-Augmented Generation (RAG) has emerged as a powerful framework for enhancing the capabilities of Large Language Models (LLMs) by integrating retrieval-based methods with generative models. As external knowledge repositories…

计算与语言 · 计算机科学 2025-11-14 Shuyi Liu , Yuming Shang , Xi Zhang

The prevalence and perniciousness of fake news has been a critical issue on the Internet, which stimulates the development of automatic fake news detection in turn. In this paper, we focus on the evidence-based fake news detection, where…

计算与语言 · 计算机科学 2022-02-09 Weizhi Xu , Junfei Wu , Qiang Liu , Shu Wu , Liang Wang

Large Language Models (LLMs) augmented with retrieval mechanisms have demonstrated significant potential in fact-checking tasks by integrating external knowledge. However, their reliability decreases when confronted with conflicting…

计算与语言 · 计算机科学 2025-05-26 Ziyu Ge , Yuhao Wu , Daniel Wai Kit Chin , Roy Ka-Wei Lee , Rui Cao

Recent tools for interactive data exploration significantly increase the chance that users make false discoveries. The crux is that these tools implicitly allow the user to test a large body of different hypotheses with just a few clicks…

数据库 · 计算机科学 2016-12-06 Zheguang Zhao , Lorenzo De Stefani , Emanuel Zgraggen , Carsten Binnig , Eli Upfal , Tim Kraska

Synthesizing multimodality medical data provides complementary knowledge and helps doctors make precise clinical decisions. Although promising, existing multimodal brain graph synthesis frameworks have several limitations. First, they…

图像与视频处理 · 电气工程与系统科学 2021-10-11 Islem Mhiri , Mohamed Ali Mahjoub , Islem Rekik

Large language models (LLMs) are widely used, but they often generate subtle factual errors, especially in long-form text. These errors are fatal in some specialized domains such as medicine. Existing fact-checking with grounding documents…

Amid the proliferation of forged images, notably the tsunami of deepfake content, extensive research has been conducted on using artificial intelligence (AI) to identify forged content in the face of continuing advancements in…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Shuhan Cui , Huy H. Nguyen , Trung-Nghia Le , Chun-Shien Lu , Isao Echizen

Fact-checking plays a crucial role in combating misinformation. Existing methods using large language models (LLMs) for claim decomposition face two key limitations: (1) insufficient decomposition, introducing unnecessary complexity to the…

计算与语言 · 计算机科学 2025-03-11 Yani Huang , Richong Zhang , Zhijie Nie , Junfan Chen , Xuefeng Zhang

Truth discovery (TD) plays an important role in Mobile Crowdsensing (MCS). However, existing TD methods, including privacy-preserving TD approaches, estimate the truth by weighting only the data submitted in the current round, which often…

计算工程、金融与科学 · 计算机科学 2025-05-08 Lijian Wu , Weikun Xie , Wei Tan , Tian Wang , Houbing Herbert Song , Anfeng Liu

With the prevalence of graphs for modeling complex relationships among objects, the topic of graph mining has attracted a great deal of attention from both academic and industrial communities in recent years. As one of the most fundamental…

社会与信息网络 · 计算机科学 2026-04-21 Wensheng Luo , Chenhao Ma , Yixiang Fang , Laks V. S. Lakshmanan

Latent truth discovery, LTD for short, refers to the problem of aggregating ltiple claims from various sources in order to estimate the plausibility of atements about entities. In the absence of a ground truth, this problem is highly…

机器学习 · 计算机科学 2018-07-30 Klaus Broelemann , Gjergji Kasneci

Multi-graph learning is crucial for extracting meaningful signals from collections of heterogeneous graphs. However, effectively integrating information across graphs with differing topologies, scales, and semantics, often in the absence of…

机器学习 · 计算机科学 2026-02-02 Zahra Moslemi , Ziyi Liang , Norbert Fortin , Babak Shahbaba

Many challenges from natural world can be formulated as a graph matching problem. Previous deep learning-based methods mainly consider a full two-graph matching setting. In this work, we study the more general partial matching problem with…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Zhakshylyk Nurlanov , Frank R. Schmidt , Florian Bernard

Recently there has been increasing interest in developing and deploying deep graph learning algorithms for many tasks, such as fraud detection and recommender systems. Albeit, there is a limited number of publicly available graph-structured…

机器学习 · 计算机科学 2023-10-06 Sajad Darabi , Piotr Bigaj , Dawid Majchrowski , Artur Kasymov , Pawel Morkisz , Alex Fit-Florea

A new approach of graph matching is introduced in this paper, which efficiently solves the problem of graph isomorphism and subgraph isomorphism. In this paper we are introducing a new approach called SubGraD, for query graph detection in…

数据结构与算法 · 计算机科学 2012-05-23 Akshara Pande , Vivekanand Pant , S. Nigam