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Graph Neural Networks (GNNs) have shown success in many real-world applications that involve graph-structured data. Most of the existing single-node GNN training systems are capable of training medium-scale graphs with tens of millions of…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-02 Yi-Chien Lin , Viktor Prasanna

Intelligent Reflecting Surfaces (IRS) enhance spectral efficiency by adjusting reflection phase shifts, while Non-Orthogonal Multiple Access (NOMA) increases system capacity. Consequently, IRS-assisted NOMA communications have garnered…

Cryptography and Security · Computer Science 2025-06-09 Linlin Liang , Zongkai Tian , Haiyan Huang , Xiaoyan Li , Zhisheng Yin , Dehua Zhang , Nina Zhang , Wenchao Zhai

Reconfigurable intelligent surfaces (RISs) hold significant promise for enhancing physical layer security (PLS). However, conventional RISs are typically modeled using diagonal scattering matrices, capturing only independent reflections…

Signal Processing · Electrical Eng. & Systems 2025-11-20 Weijie Xiong , Jingran Lin , Cunhua Pan , Yilong Zeng , Qiang Li

Battery energy storage systems (BESS) have become increasingly vital in three-phase unbalanced distribution grids for maintaining voltage stability and enabling optimal dispatch. However, existing deep learning approaches often lack…

Machine Learning · Computer Science 2026-01-30 Aoxiang Ma , Salah Ghamizi , Jun Cao , Pedro Rodriguez

Graph neural networks (GNNs) have demonstrated excellent performance in semi-supervised node classification tasks. Despite this, two primary challenges persist: heterogeneity and heterophily. Each of these two challenges can significantly…

Machine Learning · Computer Science 2025-04-14 Kangkang Lu , Yanhua Yu , Zhiyong Huang , Yunshan Ma , Xiao Wang , Meiyu Liang , Yuling Wang , Yimeng Ren , Tat-Seng Chua

The potential of Reconfigurable Intelligent Surfaces (RISs) for energy-efficient and performance-boosted wireless communications is recently gaining remarkable research attention, motivating their consideration for various $5$-th Generation…

Information Theory · Computer Science 2022-12-06 George C. Alexandropoulos , Konstantinos D. Katsanos , Miaowen Wen , Daniel B. da Costa

Heterogeneous graph neural networks (GNNs) achieve strong performance on node classification tasks in a semi-supervised learning setting. However, as in the simpler homogeneous GNN case, message-passing-based heterogeneous GNNs may struggle…

Machine Learning · Computer Science 2022-10-24 Hongjoon Ahn , Yongyi Yang , Quan Gan , Taesup Moon , David Wipf

Heterogeneous Graph Neural Networks (HGNNs) are a class of deep learning models designed specifically for heterogeneous graphs, which are graphs that contain different types of nodes and edges. This paper investigates the application of…

Machine Learning · Computer Science 2024-05-13 Zhen Hao Wong , Hansi Yang , Xiaoyi Fu , Quanming Yao

Reconfigurable Intelligent Surfaces (RISs) constitute a strong candidate physical-layer technology for the $6$-th Generation (6G) of wireless networks, offering new design degrees of freedom for efficiently addressing demanding performance…

Information Theory · Computer Science 2023-06-21 Konstantinos D. Katsanos , George C. Alexandropoulos

The 6G wireless networks impose extremely high requirements on physical layer secure communication. However, the existing solutions usually can only achieve one-dimensional physical layer security (PLS) in the angle dimension, and cannot…

Emerging Technologies · Computer Science 2025-11-06 Zhendong Wang , Chenyang Meng , Jun Yang , Jiayuan Wang , Yin Li , Linshan Jiang , Jin Zhang

Graph Neural Networks (GNNs) have emerged as powerful tools for various graph mining tasks, yet existing scalable solutions often struggle to balance execution efficiency with prediction accuracy. These difficulties stem from iterative…

Machine Learning · Computer Science 2026-04-02 Xu Cheng , Liang Yao , Feng He , Yukuo Cen , Yufei He , Chenhui Zhang , Wenzheng Feng , Hongyun Cai , Jie Tang

The sharing of external data has become a strong demand of financial institutions, but the privacy issue has led to the difficulty of interconnecting different platforms and the low degree of data openness. To effectively solve the privacy…

Machine Learning · Computer Science 2025-05-02 Zhizhong Tan , Jiexin Zheng , Kevin Qi Zhang , Wenyong Wang

Electrical faults may trigger blackouts or wildfires without timely monitoring and control strategy. Traditional solutions for locating faults in distribution systems are not real-time when network observability is low, while novel…

Machine Learning · Computer Science 2024-07-30 Wenting Li , Deepjyoti Deka

As a key enabler for sixth-generation (6G) wireless communications, reconfigurable intelligent surfaces (RISs) provide the flexibility to control signal strength. Nevertheless, optimizing hundreds of elements is computationally expensive.…

Systems and Control · Electrical Eng. & Systems 2026-04-14 Noha Hassan , Xavier Fernando , Halim Yanikomeroglu

Graph neural networks (GNN) have been widely deployed in real-world networked applications and systems due to their capability to handle graph-structured data. However, the growing awareness of data privacy severely challenges the…

Machine Learning · Computer Science 2024-02-20 Qiying Pan , Yifei Zhu , Lingyang Chu

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

This paper proposes a secure indoor communication scheme based on simultaneous transmitting and reflecting intelligent reflecting surface (STAR-IRS). Specifically, a transmitter (Alice) sends confidential information to its intended user…

Signal Processing · Electrical Eng. & Systems 2025-10-15 Yanan Du , Zeyang Sun , Yilan Zhang , Sai Xu , Beiyuan Liu

Cross-device user matching is a critical problem in numerous domains, including advertising, recommender systems, and cybersecurity. It involves identifying and linking different devices belonging to the same person, utilizing sequence…

Machine Learning · Computer Science 2023-10-23 Ali Taghibakhshi , Mingyuan Ma , Ashwath Aithal , Onur Yilmaz , Haggai Maron , Matthew West

With the ever-growing popularity of Graph Neural Networks (GNNs), efficient GNN inference is gaining tremendous attention. Field-Programming Gate Arrays (FPGAs) are a promising execution platform due to their fine-grained parallelism,…

Machine Learning · Computer Science 2023-09-29 Chenfeng Zhao , Zehao Dong , Yixin Chen , Xuan Zhang , Roger D. Chamberlain

This paper investigates a reconfigurable intelligent surface (RIS)-assisted multi-waveguide pinching-antenna (PA) system (PASS) for multi-user downlink information transmission, motivated by the unknown impact of the integration of emerging…

Networking and Internet Architecture · Computer Science 2025-11-26 Changpeng He , Yang Lu , Yanqing Xu , Chong-Yung Chi , Bo Ai , Arumugam Nallanathan