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Credit card fraud poses a significant threat to the economy. While Graph Neural Network (GNN)-based fraud detection methods perform well, they often overlook the causal effect of a node's local structure on predictions. This paper…

机器学习 · 计算机科学 2024-11-28 Yifan Duan , Guibin Zhang , Shilong Wang , Xiaojiang Peng , Wang Ziqi , Junyuan Mao , Hao Wu , Xinke Jiang , Kun Wang

In light of their capability to capture structural information while reducing computing complexity, anchor graph-based multi-view clustering (AGMC) methods have attracted considerable attention in large-scale clustering problems.…

机器学习 · 计算机科学 2025-09-19 Zhiyuan Xue , Ben Yang , Xuetao Zhang , Fei Wang , Zhiping Lin

Binary code similarity analysis (BCSA) serves as a foundational technique for binary analysis tasks such as vulnerability detection and malware identification. Existing graph based BCSA approaches capture more binary code semantics and…

密码学与安全 · 计算机科学 2025-09-03 Yufeng Wang , Yuhong Feng , Yixuan Cao , Haoran Li , Haiyue Feng , Yifeng Wang

Graph Neural Networks (GNNs) have become a powerful tool for modeling and analyzing data with graph structures. The wide adoption in numerous applications underscores the value of these models. However, the complexity of these methods often…

人工智能 · 计算机科学 2025-12-10 Tien Cuong Bui

Smart contracts play a significant role in automating blockchain services. Nevertheless, vulnerabilities in smart contracts pose serious threats to blockchain security. Currently, traditional detection methods primarily rely on static…

In recent years, deep learning (DL)-based methods have been widely used in code vulnerability detection. The DL-based methods typically extract structural information from source code, e.g., code structure graph, and adopt neural networks…

软件工程 · 计算机科学 2023-12-12 Xin-Cheng Wen , Cuiyun Gao , Jiaxin Ye , Yichen Li , Zhihong Tian , Yan Jia , Xuan Wang

Graph Neural Networks (GNNs) have become essential in interpreting relational data across various domains, yet, they often struggle to generalize to unseen graph data that differs markedly from training instances. In this paper, we…

机器学习 · 计算机科学 2024-12-10 Xinke Jiang , Rihong Qiu , Yongxin Xu , Wentao Zhang , Yichen Zhu , Ruizhe Zhang , Yuchen Fang , Xu Chu , Junfeng Zhao , Yasha Wang

Formulating optimization problems for industrial applications demands significant manual effort and domain expertise. While Large Language Models (LLMs) show promise in automating this process, evaluating their performance remains difficult…

机器学习 · 计算机科学 2025-11-03 Zhuohan Wang , Ziwei Zhu , Ziniu Li , Congliang Chen , Yizhou Han , Yufeng Lin , Zhihang Lin , Angyang Gu , Xinglin Hu , Ruoyu Sun , Tian Ding

Model Checking is widely applied in verifying the correctness of complex and concurrent systems against a specification. Pure symbolic approaches while popular, still suffer from the state space explosion problem that makes them impractical…

编程语言 · 计算机科学 2022-07-27 Prasita Mukherjee , Haoteng Yin , Susheel Suresh , Tiark Rompf

Graph neural networks (GNNs) have been successfully exploited in graph analysis tasks in many real-world applications. The competition between attack and defense methods also enhances the robustness of GNNs. In this competition, the…

机器学习 · 计算机科学 2021-11-10 Jinyin Chen , Dunjie Zhang , Zhaoyan Ming , Kejie Huang , Wenrong Jiang , Chen Cui

This paper presents VulnSense framework, a comprehensive approach to efficiently detect vulnerabilities in Ethereum smart contracts using a multimodal learning approach on graph-based and natural language processing (NLP) models. Our…

密码学与安全 · 计算机科学 2023-09-18 Phan The Duy , Nghi Hoang Khoa , Nguyen Huu Quyen , Le Cong Trinh , Vu Trung Kien , Trinh Minh Hoang , Van-Hau Pham

The rise of modern blockchains has facilitated the emergence of smart contracts: autonomous programs that live and run on the blockchain. Smart contracts have seen a rapid climb to prominence, with applications predicted in law, business,…

Smart contracts are increasingly targeted by adversaries employing obfuscation techniques such as bogus code injection and control flow manipulation to evade vulnerability detection. Existing multimodal methods often process semantic,…

Graph Anomaly Detection (GAD) is critical in security-sensitive domains, yet faces reliability challenges: miscalibrated confidence estimation (underconfidence in normal nodes, overconfidence in anomalies), adversarial vulnerability of…

机器学习 · 计算机科学 2025-04-04 Songran Bai , Xiaolong Zheng , Daniel Dajun Zeng

In precision medicine, quantitative multi-omic features, topological context, and textual biological knowledge play vital roles in identifying disease-critical signaling pathways and targets. Existing pipelines capture only part of…

人工智能 · 计算机科学 2025-12-17 Heming Zhang , Di Huang , Wenyu Li , Michael Province , Yixin Chen , Philip Payne , Fuhai Li

Graph research, the systematic study of interconnected data points represented as graphs, plays a vital role in capturing intricate relationships within networked systems. However, in the real world, as graphs scale up, concerns about data…

机器学习 · 计算机科学 2023-11-08 Qiang Wu , Yiming Huang , Yujie Zeng , Yijie Teng , Fang Zhou , Linyuan Lü

The utility of tabular data for tasks ranging from model training to large-scale data analysis is often constrained by privacy concerns or regulatory hurdles. While existing data generation methods, particularly those based on Generative…

机器学习 · 计算机科学 2025-10-29 Tu Anh Hoang Nguyen , Dang Nguyen , Tri-Nhan Vo , Thuc Duy Le , Sunil Gupta

This paper introduces TACTIC-GRAPHS, a system that combines spectral graph theory and multimodal graph neural reasoning for semantic understanding and threat detection in tactical video under high noise and weak structure. The framework…

计算机与社会 · 计算机科学 2025-07-30 Wei Meng

Portfolio managers rely on correlation-based analysis and heuristic methods that fail to capture true causal relationships driving performance. We present a hybrid framework that integrates statistical causal discovery algorithms with…

计算金融 · 定量金融 2025-10-24 Alejandro Michel , Abhinav Arun , Bhaskarjit Sarmah , Stefano Pasquali

Existing deepfake detectors face several challenges in achieving robustness and generalization. One of the primary reasons is their limited ability to extract relevant information from forgery videos, especially in the presence of various…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Zhiyuan Yan , Peng Sun , Yubo Lang , Shuo Du , Shanzhuo Zhang , Wei Wang , Lei Liu