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Spiking neural networks (SNNs) have emerged as prominent candidates for embedded and edge AI. Their inherent low power consumption makes them far more efficient than conventional ANNs in scenarios where energy budgets are tightly…

Machine Learning · Computer Science 2025-11-27 Dogukan Aksu , Jesus Martinez del Rincon , Ihsen Alouani

The state-of-the-art coding schemes for topological interference management (TIM) problems are usually handcrafted for specific families of network topologies, relying critically on experts' domain knowledge. This inevitably restricts the…

Information Theory · Computer Science 2023-05-15 Zhiwei Shan , Xinping Yi , Han Yu , Chung-Shou Liao , Shi Jin

Recent studies show that Graph Neural Networks(GNNs) are vulnerable and easily fooled by small perturbations, which has raised considerable concerns for adapting GNNs in various safety-critical applications. In this work, we focus on the…

Machine Learning · Computer Science 2022-11-16 Zhihao Zhu , Chenwang Wu , Min Zhou , Hao Liao , Defu Lian , Enhong Chen

Signed graphs model complex relationships through positive and negative edges, with widespread real-world applications. Given the sensitive nature of such data, selective removal mechanisms have become essential for privacy protection.…

Machine Learning · Computer Science 2025-11-19 Junpeng Zhao , Lin Li , Kaixi Hu , Kaize Shi , Jingling Yuan

Graph Neural Networks (GNNs) are gaining popularity across various domains due to their effectiveness in learning graph-structured data. Nevertheless, they have been shown to be susceptible to backdoor poisoning attacks, which pose serious…

Machine Learning · Computer Science 2024-07-10 Yuxuan Zhu , Michael Mandulak , Kerui Wu , George Slota , Yuseok Jeon , Ka-Ho Chow , Lei Yu

Graph neural networks (GNNs) are powerful tools for analyzing and learning from graph-structured (GS) data, facilitating a wide range of services. Deploying such services in privacy-critical cloud environments necessitates the development…

Cryptography and Security · Computer Science 2025-11-05 Fuyi Wang , Zekai Chen , Mingyuan Fan , Jianying Zhou , Lei Pan , Leo Yu Zhang

Graph Neural Networks (GNNs) have achieved state-of-the-art performance in various graph-based learning tasks. However, enabling privacy-preserving GNNs in encrypted domains, such as under Fully Homomorphic Encryption (FHE), typically…

Cryptography and Security · Computer Science 2025-07-15 Kaixiang Zhao , Joseph Yousry Attalla , Qian Lou , Yushun Dong

Graph embedding has become a powerful tool for learning latent representations of nodes in a graph. Despite its superior performance in various graph-based machine learning tasks, serious privacy concerns arise when the graph data contains…

Cryptography and Security · Computer Science 2024-08-06 Zening Li , Rong-Hua Li , Meihao Liao , Fusheng Jin , Guoren Wang

Graph Neural Networks (GNNs) have achieved promising results in various tasks such as node classification and graph classification. Recent studies find that GNNs are vulnerable to adversarial attacks. However, effective backdoor attacks on…

Cryptography and Security · Computer Science 2023-03-03 Enyan Dai , Minhua Lin , Xiang Zhang , Suhang Wang

Graph Neural Networks (GNNs) have boosted the performance of many graph related tasks such as node classification and graph classification. Recent researches show that graph neural networks are vulnerable to adversarial attacks, which…

Machine Learning · Computer Science 2019-10-01 Yao Ma , Suhang Wang , Tyler Derr , Lingfei Wu , Jiliang Tang

In this work, we study the problem of decentralized multi-agent perimeter defense that asks for computing actions for defenders with local perceptions and communications to maximize the capture of intruders. One major challenge for…

Multiagent Systems · Computer Science 2023-01-25 Elijah S. Lee , Lifeng Zhou , Alejandro Ribeiro , Vijay Kumar

Personalized PageRank (PPR) is a fundamental tool in unsupervised learning of graph representations such as node ranking, labeling, and graph embedding. However, while data privacy is one of the most important recent concerns, existing PPR…

Cryptography and Security · Computer Science 2024-02-16 Alessandro Epasto , Vahab Mirrokni , Bryan Perozzi , Anton Tsitsulin , Peilin Zhong

Graph Prompt Learning (GPL) has been introduced as a promising approach that uses prompts to adapt pre-trained GNN models to specific downstream tasks without requiring fine-tuning of the entire model. Despite the advantages of GPL, little…

Machine Learning · Computer Science 2025-05-30 Minhua Lin , Zhiwei Zhang , Enyan Dai , Zongyu Wu , Yilong Wang , Xiang Zhang , Suhang Wang

Graph Machine Learning is essential for understanding and analyzing relational data. However, privacy-sensitive applications demand the ability to efficiently remove sensitive information from trained graph neural networks (GNNs), avoiding…

Machine Learning · Computer Science 2025-01-07 Bowen Fan , Yuming Ai , Xunkai Li , Zhilin Guo , Rong-Hua Li , Guoren Wang

Multi-domain graph pre-training has emerged as a pivotal technique in developing graph foundation models. While it greatly improves the generalization of graph neural networks, its privacy risks under membership inference attacks (MIAs),…

Machine Learning · Computer Science 2025-11-25 Jiayi Luo , Qingyun Sun , Yuecen Wei , Haonan Yuan , Xingcheng Fu , Jianxin Li

Graph Neural Networks (GNNs) have emerged as a prominent graph learning model in various graph-based tasks over the years. Nevertheless, due to the vulnerabilities of GNNs, it has been empirically shown that malicious attackers could easily…

Machine Learning · Computer Science 2025-12-23 Yushun Dong , Binchi Zhang , Hanghang Tong , Jundong Li

Graph neural network (GNN) is widely used for recommendation to model high-order interactions between users and items. Existing GNN-based recommendation methods rely on centralized storage of user-item graphs and centralized model learning.…

Information Retrieval · Computer Science 2022-10-12 Chuhan Wu , Fangzhao Wu , Yang Cao , Yongfeng Huang , Xing Xie

This paper studies the vulnerability of Graph Neural Networks (GNNs) to adversarial attacks on node features and graph structure. Various methods have implemented adversarial training to augment graph data, aiming to bolster the robustness…

Machine Learning · Computer Science 2025-09-03 Jinluan Yang , Ruihao Zhang , Zhengyu Chen , Fei Wu , Kun Kuang

We study the privacy implications of training recurrent neural networks (RNNs) with sensitive training datasets. Considering membership inference attacks (MIAs), which aim to infer whether or not specific data records have been used in…

Cryptography and Security · Computer Science 2023-01-23 Yunhao Yang , Parham Gohari , Ufuk Topcu

Graph neural networks (GNNs) have demonstrated remarkable performance in various graph-based machine learning tasks by effectively modeling high-order interactions between nodes. However, training GNNs without protection may leak sensitive…

Machine Learning · Computer Science 2026-02-10 Wen Xu , Zhetao Li , Yong Xiao , Pengpeng Qiao , Mianxiong Dong , Kaoru Ota