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We study the task of spatio-temporal extrapolation that generates data at target locations from surrounding contexts in a graph. This task is crucial as sensors that collect data are sparsely deployed, resulting in a lack of fine-grained…

机器学习 · 计算机科学 2023-05-31 Junfeng Hu , Yuxuan Liang , Zhencheng Fan , Hongyang Chen , Yu Zheng , Roger Zimmermann

Many real world graphs are inherently dynamic, constantly evolving with node and edge additions. These graphs can be represented by temporal graphs, either through a stream of edge events or a sequence of graph snapshots. Until now, the…

机器学习 · 计算机科学 2024-12-03 Shenyang Huang , Farimah Poursafaei , Reihaneh Rabbany , Guillaume Rabusseau , Emanuele Rossi

Graph Neural Networks (GNNs) have received much attention in the graph deep learning domain. However, recent research empirically and theoretically shows that deep GNNs suffer from over-fitting and over-smoothing problems. The usual…

机器学习 · 计算机科学 2022-09-05 Chuxiong Sun , Jie Hu , Hongming Gu , Jinpeng Chen , Mingchuan Yang

Graph convolutional networks (GCNs) can effectively capture the features of related nodes and improve the performance of the model. More attention is paid to employing GCN in Skeleton-Based action recognition. But existing methods based on…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Tingwei Li , Ruiwen Zhang , Qing Li

Graph Continual Learning (GCL) aims to solve the challenges of streaming graph data. However, current methods often depend on replay-based strategies, which raise concerns like memory limits and privacy issues, while also struggling to…

机器学习 · 计算机科学 2026-02-10 Jingtao Liu , Xinming Zhang

We present the Temporal Graph Benchmark (TGB), a collection of challenging and diverse benchmark datasets for realistic, reproducible, and robust evaluation of machine learning models on temporal graphs. TGB datasets are of large scale,…

Dynamic graph modeling has recently attracted much attention due to its extensive applications in many real-world scenarios, such as recommendation systems, financial transactions, and social networks. Although many works have been proposed…

机器学习 · 计算机科学 2021-05-18 Lu Wang , Xiaofu Chang , Shuang Li , Yunfei Chu , Hui Li , Wei Zhang , Xiaofeng He , Le Song , Jingren Zhou , Hongxia Yang

Recently, test time adaptation (TTA) has attracted increasing attention due to its power of handling the distribution shift issue in the real world. Unlike what has been developed for convolutional neural networks (CNNs) for image data, TTA…

机器学习 · 计算机科学 2022-08-22 Guanzi Chen , Jiying Zhang , Xi Xiao , Yang Li

Advanced Persistent Threat (APT) have grown increasingly complex and concealed, posing formidable challenges to existing Intrusion Detection Systems in identifying and mitigating these attacks. Recent studies have incorporated graph…

密码学与安全 · 计算机科学 2025-09-18 Wenhan Jiang , Tingting Chai , Hongri Liu , Kai Wang , Hongke Zhang

Vision Graph Neural Networks (ViGs) offer a new direction for advancements in vision architectures. While powerful, ViGs often face substantial computational challenges stemming from their graph construction phase, which can hinder their…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Mustafa Munir , Md Mostafijur Rahman , Radu Marculescu

Text-Attributed Graphs (TAGs) enhance graph structures with natural language descriptions, enabling detailed representation of data and their relationships across a broad spectrum of real-world scenarios. Despite the potential for deeper…

机器学习 · 计算机科学 2024-05-28 Zheng Zhang , Yuntong Hu , Bo Pan , Chen Ling , Liang Zhao

We present a new approach, that we call AdaGTCN, for identifying human reader intent from Electroencephalogram~(EEG) and Eye movement~(EM) data in order to help differentiate between normal reading and task-oriented reading. Understanding…

信号处理 · 电气工程与系统科学 2021-02-25 Puneet Mathur , Trisha Mittal , Dinesh Manocha

Understanding 4D point cloud videos is essential for enabling intelligent agents to perceive dynamic environments. However, temporal scale bias across varying frame rates and distributional uncertainty in irregular point clouds make it…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Jiayi Tian , Jiaze Wang

The Transformer architecture has achieved remarkable success in a number of domains including natural language processing and computer vision. However, when it comes to graph-structured data, transformers have not achieved competitive…

机器学习 · 计算机科学 2022-10-11 Zaixi Zhang , Qi Liu , Qingyong Hu , Chee-Kong Lee

How to obtain informative representations of transactions and then perform the identification of fraudulent transactions is a crucial part of ensuring financial security. Recent studies apply Graph Neural Networks (GNNs) to the transaction…

机器学习 · 计算机科学 2023-07-12 Yue Tian , Guanjun Liu

Temporal relational modeling in video is essential for human action understanding, such as action recognition and action segmentation. Although Graph Convolution Networks (GCNs) have shown promising advantages in relation reasoning on many…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Dong Wang , Di Hu , Xingjian Li , Dejing Dou

Recently, large-scale pre-trained vision-language models (e.g., CLIP), have garnered significant attention thanks to their powerful representative capabilities. This inspires researchers in transferring the knowledge from these large…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Bin Wang , Wentong Li , Wenqian Wang , Mingliang Gao , Runmin Cong , Wei Zhang

Existing efforts are dedicated to designing many topologies and graph-aware strategies for the graph Transformer, which greatly improve the model's representation capabilities. However, manually determining the suitable Transformer…

神经与进化计算 · 计算机科学 2024-10-24 Chao Wang , Jiaxuan Zhao , Lingling Li , Licheng Jiao , Fang Liu , Shuyuan Yang

Financial fraud detection is essential to safeguard billions of dollars, yet the intertwined entities and fast-changing transaction behaviors in modern financial systems routinely defeat conventional machine learning models. Recent…

机器学习 · 计算机科学 2025-08-29 Zeyue Zhang , Lin Song , Erkang Bao , Xiaoling Lv , Xinyue Wang

Temporal convolutions have been the paradigm of choice in action segmentation, which enhances long-term receptive fields by increasing convolution layers. However, high layers cause the loss of local information necessary for frame…

计算机视觉与模式识别 · 计算机科学 2022-05-20 Jiahui Wang , Zhenyou Wang , Shanna Zhuang , Hui Wang