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Continuous graph neural models based on differential equations have expanded the architecture of graph neural networks (GNNs). Due to the connection between graph diffusion and message passing, diffusion-based models have been widely…

机器学习 · 计算机科学 2024-04-01 Kaiyuan Cui , Xinyan Wang , Zicheng Zhang , Weichen Zhao

Federated graph learning is a widely recognized technique that promotes collaborative training of graph neural networks (GNNs) by multi-client graphs.However, existing approaches heavily rely on the communication of model parameters or…

机器学习 · 计算机科学 2025-05-06 Hao Zhang , Xunkai Li , Yinlin Zhu , Lianglin Hu

The Transformer architecture has recently gained considerable attention in the field of graph representation learning, as it naturally overcomes several limitations of Graph Neural Networks (GNNs) with customized attention mechanisms or…

机器学习 · 计算机科学 2025-04-01 Jianqing Liang , Min Chen , Jiye Liang

Transformers have been designed for channel acquisition tasks such as channel prediction and other tasks such as precoding, while graph neural networks (GNNs) have been demonstrated to be efficient for learning a multitude of communication…

信号处理 · 电气工程与系统科学 2025-03-06 Yuxuan Duan , Jia Guo , Chenyang Yang

Graph neural networks can be effectively applied to find solutions for many real-world problems across widely diverse fields. The success of graph neural networks is linked to the message-passing mechanism on the graph, however, the…

机器学习 · 计算机科学 2022-01-06 Yan Pang , Chao Liu

Geometric deep learning has made great strides towards generalizing the design of structure-aware neural networks from traditional domains to non-Euclidean ones, giving rise to graph neural networks (GNN) that can be applied to…

机器学习 · 统计学 2024-10-28 Frederik Wenkel , Yimeng Min , Matthew Hirn , Michael Perlmutter , Guy Wolf

Learning expressive representations for high-dimensional yet sparse features has been a longstanding problem in information retrieval. Though recent deep learning methods can partially solve the problem, they often fail to handle the…

Graph summarization via node grouping is a popular method to build concise graph representations by grouping nodes from the original graph into supernodes and encoding edges into superedges such that the loss of adjacency information is…

社会与信息网络 · 计算机科学 2022-11-09 Arpit Merchant , Michael Mathioudakis , Yanhao Wang

Transformers have demonstrated remarkable performance across diverse domains. The key component of Transformers is self-attention, which learns the relationship between any two tokens in the input sequence. Recent studies have revealed that…

机器学习 · 计算机科学 2025-05-14 Hyowon Wi , Jeongwhan Choi , Noseong Park

Graph neural networks operate on graph-structured data via exchanging messages along edges. One limitation of this message passing paradigm is the over-squashing problem. Over-squashing occurs when messages from a node's expanded receptive…

机器学习 · 计算机科学 2023-11-15 Thomas Christie , Yu He

Transformer-based models are unable to process long sequences due to their self-attention operation, which scales quadratically with the sequence length. To address this limitation, we introduce the Longformer with an attention mechanism…

计算与语言 · 计算机科学 2020-12-03 Iz Beltagy , Matthew E. Peters , Arman Cohan

In the current landscape of large models, the Transformer stands as a cornerstone, playing a pivotal role in shaping the trajectory of modern models. However, its application encounters challenges attributed to the substantial computational…

机器学习 · 计算机科学 2024-09-03 Gaoxiang Duan , Junkai Zhang , Xiaoying Zheng , Yongxin Zhu , Victor Chang

Document-level relation extraction typically relies on text-based encoders and hand-coded pooling heuristics to aggregate information learned by the encoder. In this paper, we leverage the intrinsic graph processing capabilities of the…

计算与语言 · 计算机科学 2024-08-07 Andrei C. Coman , Christos Theodoropoulos , Marie-Francine Moens , James Henderson

Existing methods for video interpolation heavily rely on deep convolution neural networks, and thus suffer from their intrinsic limitations, such as content-agnostic kernel weights and restricted receptive field. To address these issues, we…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Zhihao Shi , Xiangyu Xu , Xiaohong Liu , Jun Chen , Ming-Hsuan Yang

In the realm of graph learning, there is a category of methods that conceptualize graphs as hierarchical structures, utilizing node clustering to capture broader structural information. While generally effective, these methods often rely on…

机器学习 · 计算机科学 2024-12-25 Siyuan Huang , Yunchong Song , Jiayue Zhou , Zhouhan Lin

Heavy computation is a bottleneck limiting deep-learningbased feature matching algorithms to be applied in many realtime applications. However, existing lightweight networks optimized for Euclidean data cannot address classical feature…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Xiaoyong Lu , Yaping Yan , Bin Kang , Songlin Du

Computational offloading has become an enabling component for edge intelligence in mobile and smart devices. Existing offloading schemes mainly focus on mobile devices and servers, while ignoring the potential network congestion caused by…

网络与互联网体系结构 · 计算机科学 2024-01-23 Zhongyuan Zhao , Jake Perazzone , Gunjan Verma , Santiago Segarra

Graph Neural Network (GNN) achieves great success for node-level and graph-level tasks via encoding meaningful topological structures of networks in various domains, ranging from social to biological networks. However, repeated aggregation…

Graph Transformers (GTs) have emerged as a powerful paradigm for graph representation learning due to their ability to model diverse node interactions. However, existing GTs often rely on intricate architectural designs tailored to specific…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Yujie Xing , Xiao Wang , Bin Wu , Hai Huang , Chuan Shi

The performance of graph neural nets (GNNs) is known to gradually decrease with increasing number of layers. This decay is partly attributed to oversmoothing, where repeated graph convolutions eventually make node embeddings…

机器学习 · 计算机科学 2020-02-14 Lingxiao Zhao , Leman Akoglu