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In this paper, we aim to find the conditions for input-state stability (ISS) and incremental input-state stability ($\delta$ISS) of Gated Graph Neural Networks (GGNNs). We show that this recurrent version of Graph Neural Networks (GNNs) can…

Robotics · Computer Science 2024-03-12 Antonio Marino , Claudio Pacchierotti , Paolo Robuffo Giordano

This paper investigates the performance of physical layer security (PLS) in a vehicle-to-vehicle (V2V) communication system, where a transmitter vehicle exploits a dual reconfigurable intelligent surface (RIS) to send confidential…

Information Theory · Computer Science 2024-10-08 Farshad Rostami Ghadi , Masoud Kaveh , Kai-Kit Wong , Diego Martin

Agile hardware development requires fast and accurate circuit quality evaluation from early design stages. Existing work of high-level synthesis (HLS) performance prediction usually needs extensive feature engineering after the synthesis…

Machine Learning · Computer Science 2022-09-16 Nan Wu , Hang Yang , Yuan Xie , Pan Li , Cong Hao

Power estimation is the basis of many hardware optimization strategies. However, it is still challenging to offer accurate power estimation at an early stage such as high-level synthesis (HLS). In this paper, we propose PowerGear, a…

Machine Learning · Computer Science 2022-03-29 Zhe Lin , Zike Yuan , Jieru Zhao , Wei Zhang , Hui Wang , Yonghong Tian

Graph representation learning has attracted much attention in supporting high quality candidate search at scale. Despite its effectiveness in learning embedding vectors for objects in the user-item interaction network, the computational…

Information Retrieval · Computer Science 2020-03-05 Qiaoyu Tan , Ninghao Liu , Xing Zhao , Hongxia Yang , Jingren Zhou , Xia Hu

Mesh-based graph neural networks (GNNs) have become effective surrogates for PDE simulations, yet their deep message passing incurs high cost and over-smoothing on large, long-range meshes; hierarchical GNNs shorten propagation paths but…

Machine Learning · Computer Science 2025-09-16 Bo Lei , Victor M. Castillo , Yeping Hu

Numerical modeling of polycrystal plasticity is computationally intensive. We employ Graph Neural Networks (GNN) to predict stresses on complex geometries for polycrystal plasticity from Finite Element Method (FEM) simulations. We present a…

Materials Science · Physics 2025-02-13 Hanfeng Zhai

Heterogeneous graph neural networks (HGNNs) have attracted increasing research interest in recent three years. Most existing HGNNs fall into two classes. One class is meta-path-based HGNNs which either require domain knowledge to handcraft…

Machine Learning · Computer Science 2022-09-02 Nan Wu , Chaofan Wang

In-band full duplex cell-free (CF) systems suffer from severe self-interference and cross-link interference, especially when CF systems are operated in distributed way. To this end, we propose the multicarrier-division duplex as an enabler…

Signal Processing · Electrical Eng. & Systems 2023-06-16 Bohan Li , Lie-Liang Yang , Robert G Maunder , Songlin Sun , Pei Xiao

The physical layer security (PLS) is investigated for reconfigurable intelligent surface (RIS) assisted wireless networks, where a source transmits its confidential information to a legitimate destination with the aid of a single small RIS…

Information Theory · Computer Science 2022-10-06 Haiyan Guo , Zhen Yang , Yulong Zou , Bin Lyu , Yuhan Jiang , Lajos Hanzo

This paper investigates a smart spectrum-sharing framework for reconfigurable intelligent surface (RIS)-aided local high-quality wireless networks (LHQWNs) within a mobile network operator (MNO) ecosystem. Although RISs are often considered…

Systems and Control · Electrical Eng. & Systems 2026-03-27 Hamid Reza Hashempour , Mina Khadem , Eduard A. Jorswieck

Graph Neural Networks (GNNs) are popular machine learning methods for modeling graph data. A lot of GNNs perform well on homophily graphs while having unsatisfactory performance on heterophily graphs. Recently, some researchers turn their…

Machine Learning · Computer Science 2022-09-20 Wendong Bi , Lun Du , Qiang Fu , Yanlin Wang , Shi Han , Dongmei Zhang

Wireless communications empowered by Reconfigurable Intelligent (meta)Surfaces (RISs) are recently gaining remarkable research attention due to the increased system design flexibility offered by RISs for diverse functionalities. In this…

Information Theory · Computer Science 2020-11-03 George C. Alexandropoulos , Konstantinos Katsanos , Miaowen Wen , Daniel B. da Costa

In this paper, we consider a reconfigurable intelligent surface (RIS)-assisted two-way relay network, in which two users exchange information through the base station (BS) with the help of an RIS. By jointly designing the phase shifts at…

Information Theory · Computer Science 2021-05-11 Jun Wang , Ying-Chang Liang , Jingon Joung , Xiaojun Yuan , Xinguo Wang

Machine learning (ML) and deep learning (DL) techniques have gained significant attention as reduced order models (ROMs) to computationally expensive structural analysis methods, such as finite element analysis (FEA). Graph neural network…

Machine Learning · Computer Science 2023-09-25 Yuecheng Cai , Jasmin Jelovica

This study introduces a two-scale Graph Neural Operator (GNO), namely, LatticeGraphNet (LGN), designed as a surrogate model for costly nonlinear finite-element simulations of three-dimensional latticed parts and structures. LGN has two…

Machine Learning · Computer Science 2024-09-17 Ayush Jain , Ehsan Haghighat , Sai Nelaturi

Graph Neural Networks (GNNs) are powerful tools for learning from graph-structured data, but their application to large graphs is hindered by computational costs. The need to process every neighbor for each node creates memory and…

Machine Learning · Computer Science 2025-12-30 Omar Alsaqa , Linh Thi Hoang , Muhammed Fatih Balin

Graph neural networks (GNNs) and heterogeneous graph neural networks (HGNNs) are prominent techniques for homogeneous and heterogeneous graph representation learning, yet their performance in an end-to-end supervised framework greatly…

Machine Learning · Computer Science 2024-08-27 Xingtong Yu , Yuan Fang , Zemin Liu , Xinming Zhang

Event cameras are becoming increasingly popular as an alternative to traditional frame-based vision sensors, especially in mobile robotics. Taking full advantage of their high temporal resolution, high dynamic range, low power consumption…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Piotr Wzorek , Kamil Jeziorek , Tomasz Kryjak , Andrea Pinna

Recent advances in text-to-speech, particularly those based on Graph Neural Networks (GNNs), have significantly improved the expressiveness of short-form synthetic speech. However, generating human-parity long-form speech with high dynamic…

Sound · Computer Science 2023-10-10 Dake Guo , Xinfa Zhu , Liumeng Xue , Tao Li , Yuanjun Lv , Yuepeng Jiang , Lei Xie