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Accurate and real-time traffic state prediction is of great practical importance for urban traffic control and web mapping services. With the support of massive data, deep learning methods have shown their powerful capability in capturing…

机器学习 · 计算机科学 2023-09-07 Xunlian Luo , Chunjiang Zhu , Detian Zhang , Qing Li

Dynamic graph representation learning strategies are based on different neural architectures to capture the graph evolution over time. However, the underlying neural architectures require a large amount of parameters to train and suffer…

机器学习 · 计算机科学 2020-11-12 Stefanos Antaris , Dimitrios Rafailidis

Dynamic graph learning is essential for applications involving temporal networks and requires effective modeling of temporal relationships. Seminal attention-based models like TGAT and DyGFormer rely on sinusoidal time encoders to capture…

机器学习 · 计算机科学 2025-08-05 Hsing-Huan Chung , Shravan Chaudhari , Xing Han , Yoav Wald , Suchi Saria , Joydeep Ghosh

Dynamic graphs with ordered sequences of events between nodes are prevalent in real-world industrial applications such as e-commerce and social platforms. However, representation learning for dynamic graphs has posed great computational…

机器学习 · 计算机科学 2021-12-16 Xinshi Chen , Yan Zhu , Haowen Xu , Mengyang Liu , Liang Xiong , Muhan Zhang , Le Song

Disentangled representation learning has recently attracted a significant amount of attention, particularly in the field of image representation learning. However, learning the disentangled representations behind a graph remains largely…

机器学习 · 计算机科学 2020-06-11 Xiaojie Guo , Liang Zhao , Zhao Qin , Lingfei Wu , Amarda Shehu , Yanfang Ye

In representation learning on graph-structured data, many popular graph neural networks (GNNs) fail to capture long-range dependencies, leading to performance degradation. Furthermore, this weakness is magnified when the concerned graph is…

机器学习 · 计算机科学 2024-03-07 Mengying Jiang , Guizhong Liu , Yuanchao Su , Xinliang Wu

Graph Attention Network (GAT) is one of the most popular Graph Neural Network (GNN) architecture, which employs the attention mechanism to learn edge weights and has demonstrated promising performance in various applications. However, since…

机器学习 · 计算机科学 2024-03-05 Qincheng Lu , Jiaqi Zhu , Sitao Luan , Xiao-Wen Chang

The explosion of digital information and the growing involvement of people in social networks led to enormous research activity to develop methods that can extract meaningful information from interaction data. Commonly, interactions are…

机器学习 · 计算机科学 2023-04-04 Tony Gracious , Ambedkar Dukkipati

Advanced methods of applying deep learning to structured data such as graphs have been proposed in recent years. In particular, studies have focused on generalizing convolutional neural networks to graph data, which includes redefining the…

机器学习 · 计算机科学 2019-06-14 Junhyun Lee , Inyeop Lee , Jaewoo Kang

Machine learning on graph structured data has attracted much research interest due to its ubiquity in real world data. However, how to efficiently represent graph data in a general way is still an open problem. Traditional methods use…

机器学习 · 计算机科学 2019-11-14 Jiaqi Ma , Qiaozhu Mei

Graph representation learning is a fundamental problem for modeling relational data and benefits a number of downstream applications. Traditional Bayesian-based graph models and recent deep learning based GNN either suffer from…

机器学习 · 计算机科学 2024-03-27 Hanxuan Yang , Qingchao Kong , Wenji Mao

Graph representation learning resurges as a trending research subject owing to the widespread use of deep learning for Euclidean data, which inspire various creative designs of neural networks in the non-Euclidean domain, particularly…

Representation learning on graphs has emerged as a powerful mechanism to automate feature vector generation for downstream machine learning tasks. The advances in representation on graphs have centered on both homogeneous and heterogeneous…

Tracking a targeted subset of nodes in an evolving graph is important for many real-world applications. Existing methods typically focus on identifying anomalous edges or finding anomaly graph snapshots in a stream way. However,…

社会与信息网络 · 计算机科学 2022-11-18 Xingzhi Guo , Baojian Zhou , Steven Skiena

In this work, we are interested in generalizing convolutional neural networks (CNNs) from low-dimensional regular grids, where image, video and speech are represented, to high-dimensional irregular domains, such as social networks, brain…

机器学习 · 计算机科学 2017-02-07 Michaël Defferrard , Xavier Bresson , Pierre Vandergheynst

Learning effective representations for Continuous-Time Dynamic Graphs (CTDGs) has garnered significant research interest, largely due to its powerful capabilities in modeling complex interactions between nodes. A fundamental and crucial…

机器学习 · 计算机科学 2024-12-06 Zhe Wang , Sheng Zhou , Jiawei Chen , Zhen Zhang , Binbin Hu , Yan Feng , Chun Chen , Can Wang

Interactive theorem proving is a challenging and tedious process, which requires non-trivial expertise and detailed low-level instructions (or tactics) from human experts. Tactic prediction is a natural way to automate this process.…

机器学习 · 计算机科学 2021-08-25 Zhaoyu Li , Binghong Chen , Xujie Si

Dynamic graph modeling is crucial for understanding complex structures in web graphs, spanning applications in social networks, recommender systems, and more. Most existing methods primarily emphasize structural dependencies and their…

社会与信息网络 · 计算机科学 2024-02-28 Yuxia Wu , Yuan Fang , Lizi Liao

The (variational) graph auto-encoder is widely used to learn representations for graph-structured data. However, the formation of real-world graphs is a complicated and heterogeneous process influenced by latent factors. Existing encoders…

机器学习 · 计算机科学 2024-07-17 Di Fan , Chuanhou Gao

Multimodal graphs, where nodes contain heterogeneous features such as images and text, are increasingly common in real-world applications. Effectively learning on such graphs requires both adaptive intra-modal message passing and efficient…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Xiaobin Hong , Mingkai Lin , Xiaoli Wang , Chaoqun Wang , Wenzhong Li