English
Related papers

Related papers: Two-Stage Heterogeneous Graph Neural Network for R…

200 papers

Social recommendation based on social network has achieved great success in improving the performance of recommendation system. Since social network (user-user relations) and user-item interactions are both naturally represented as…

Information Retrieval · Computer Science 2021-09-27 Yiming Zhang , Lingfei Wu , Qi Shen , Yitong Pang , Zhihua Wei , Fangli Xu , Ethan Chang , Bo Long

Approximation-based spectral graph neural networks, which construct graph filters with function approximation, have shown substantial performance in graph learning tasks. Despite their great success, existing works primarily employ…

Machine Learning · Computer Science 2025-05-21 Guoming Li , Jian Yang , Shangsong Liang

This study investigates a robust reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output (MIMO) system for secure wireless communication, in which a multi-antenna transmitter (Alice) sends confidential messages to a…

Signal Processing · Electrical Eng. & Systems 2026-02-20 Rakesh Ranjan , Ahmad Sirojuddin , Manjesh K. Hanawal , Himanshu B. Mishra , Wan-Jen Huang ID

The last few years have seen an increasing wave of attacks with serious economic and privacy damages, which evinces the need for accurate Network Intrusion Detection Systems (NIDS). Recent works propose the use of Machine Learning (ML)…

Cryptography and Security · Computer Science 2021-08-02 David Pujol-Perich , José Suárez-Varela , Albert Cabellos-Aparicio , Pere Barlet-Ros

This paper investigates an extremely large-scale reconfigurable intelligent surface (XL-RIS) assisted near-field integrated sensing and communication (ISAC) system, where a multi-antenna base station (BS) simultaneously sends unicast data…

Information Theory · Computer Science 2026-03-03 Jiahao Chen , Feng Wang , Guojun Han , Xin Wang , Vincent K. N. Lau

Recent graph neural networks (GNNs) with the attention mechanism have historically been limited to small-scale homogeneous graphs (HoGs). However, GNNs handling heterogeneous graphs (HeGs), which contain several entity and relation types,…

Machine Learning · Computer Science 2023-04-25 Roshni G. Iyer , Wei Wang , Yizhou Sun

Recently, increasing attention has been paid to heterogeneous graph representation learning (HGRL), which aims to embed rich structural and semantic information in heterogeneous information networks (HINs) into low-dimensional node…

Machine Learning · Computer Science 2022-10-12 Zhiqiang Zhong , Cheng-Te Li , Jun Pang

Graph Neural Networks (GNNs) have been widely adopted due to their strong performance. However, GNN training often relies on expensive, high-performance computing platforms, limiting accessibility for many tasks. Profiling of representative…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-12 Tong Qiao , Ao Zhou , Yingjie Qi , Yiou Wang , Han Wan , Jianlei Yang , Chunming Hu

Reconfigurable intelligent surfaces (RIS) have the ability to alter the wireless environment by making changes in the impinging signal. While RIS has been extensively studied for enhancing wireless communications, its potential for…

Signal Processing · Electrical Eng. & Systems 2026-04-28 Vahid Shahiri , Guyue Li , Hamid Behroozi

Self-Supervised Learning (SSL) has shown significant potential and has garnered increasing interest in graph learning. However, particularly for generative SSL methods, its potential in Heterogeneous Graph Learning (HGL) remains relatively…

Machine Learning · Computer Science 2024-04-23 Yulan Hu , Zhirui Yang , Sheng Ouyang , Yong Liu

This paper presents a novel approach for the joint design of a reconfigurable intelligent surface (RIS) and a transmitter-receiver pair that are trained together as a set of deep neural networks (DNNs) to optimize the end-to-end…

Networking and Internet Architecture · Computer Science 2021-12-09 Tugba Erpek , Yalin E. Sagduyu , Ahmed Alkhateeb , Aylin Yener

Graph Neural Networks (GNNs) have been generalized to process the heterogeneous graphs by various approaches. Unfortunately, these approaches usually model the heterogeneity via various complicated modules. This paper aims to propose a…

Machine Learning · Computer Science 2023-11-23 Junfu Wang , Yuanfang Guo , Liang Yang , Yunhong Wang

With the exponential growth of Internet of Things (IoT) devices, edge computing (EC) is gradually playing an important role in providing cost-effective services. However, existing approaches struggle to perform well in graph-structured…

Machine Learning · Computer Science 2025-04-23 Wenjing Xiao , Chenglong Shi , Miaojiang Chen , Zhiquan Liu , Min Chen , H. Herbert Song

In recent years, the fast rise in number of studies on graph neural network (GNN) has put it from the theories research to reality application stage. Despite the encouraging performance achieved by GNN, less attention has been paid to the…

Machine Learning · Computer Science 2021-07-14 Chuanqiang Shan , Huiyun Jiao , Jie Fu

Subsurface simulations use computational models to predict the flow of fluids (e.g., oil, water, gas) through porous media. These simulations are pivotal in industrial applications such as petroleum production, where fast and accurate…

Machine Learning · Computer Science 2022-06-16 Tailin Wu , Qinchen Wang , Yinan Zhang , Rex Ying , Kaidi Cao , Rok Sosič , Ridwan Jalali , Hassan Hamam , Marko Maucec , Jure Leskovec

We consider a reconfigurable intelligent surface (RIS)-assisted heterogeneous network comprising legitimate information-harvesting receivers (IHRs) and untrusted energy-harvesting receivers (UEHRs). A multi-antenna base station (BS)…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Hamid Reza Hashempour , Le-Nam Tran , Duy H. N. Nguyen , Hien Quoc Ngo

Graph Neural Networks (GNNs) have demonstrated remarkable performance across various applications, yet they are vulnerable to sophisticated adversarial attacks, particularly node injection attacks. The success of such attacks heavily relies…

Machine Learning · Computer Science 2025-09-17 Jiahao Zhang , Xiaobing Pei , Zhaokun Zhong , Wenqiang Hao , Zhenghao Tang

Re-configurable Intelligent Surfaces (RIS) technology is increasingly becoming a potential component for next-generation wireless networks, offering enhanced performance in terms of throughput, spectral, and energy efficiency. However, the…

Cryptography and Security · Computer Science 2024-05-03 Hala Amin , Waqas Aman , Saif Al-Kuwari

Reconfigurable intelligent surfaces (RISs) constitute a promising performance enhancement for next-generation (NG) wireless networks in terms of enhancing both their spectrum efficiency (SE) and energy efficiency (EE). We conceive a system…

Signal Processing · Electrical Eng. & Systems 2023-04-06 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen , Lajos HanzoE

Heterogeneous Graph Neural Networks (HGNNs) have exhibited powerful performance in heterogeneous graph learning by aggregating information from various types of nodes and edges. However, existing heterogeneous graph models often struggle to…

Machine Learning · Computer Science 2025-09-30 Ranhui Yan , Jia cai
‹ Prev 1 8 9 10 Next ›