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相关论文: Relieving the Over-Aggregating Effect in Graph Tra…

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Graph Convolution Networks (GCN) are widely used in learning graph representations due to their effectiveness and efficiency. However, they suffer from the notorious over-smoothing problem, in which the learned representations of densely…

机器学习 · 计算机科学 2020-04-10 Xin Xin , Alexandros Karatzoglou , Ioannis Arapakis , Joemon M. Jose

Graph neural networks (GNNs) have achieved significant success in various applications. Most GNNs learn the node features with information aggregation of its neighbors and feature transformation in each layer. However, the node features…

机器学习 · 计算机科学 2024-07-30 Dongzhuoran Zhou , Hui Yang , Bo Xiong , Yue Ma , Evgeny Kharlamov

Graph transformer has been proven as an effective graph learning method for its adoption of attention mechanism that is capable of capturing expressive representations from complex topological and feature information of graphs. Graph…

机器学习 · 计算机科学 2024-03-26 Dongqi Fu , Zhigang Hua , Yan Xie , Jin Fang , Si Zhang , Kaan Sancak , Hao Wu , Andrey Malevich , Jingrui He , Bo Long

Graph neural networks (GNNs), which learn the representation of a node by aggregating its neighbors, have become an effective computational tool in downstream applications. Over-smoothing is one of the key issues which limit the performance…

机器学习 · 计算机科学 2020-06-15 Kaixiong Zhou , Xiao Huang , Yuening Li , Daochen Zha , Rui Chen , Xia Hu

Graph Transformers (GTs) have demonstrated their advantages across a wide range of tasks. However, the self-attention mechanism in GTs overlooks the graph's inductive biases, particularly biases related to structure, which are crucial for…

机器学习 · 计算机科学 2024-04-25 Chuang Liu , Zelin Yao , Yibing Zhan , Xueqi Ma , Shirui Pan , Wenbin Hu

We present a novel architecture for dense correspondence. The current state-of-the-art are Transformer-based approaches that focus on either feature descriptors or cost volume aggregation. However, they generally aggregate one or the other…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Sunghwan Hong , Seokju Cho , Seungryong Kim , Stephen Lin

The self-attention mechanism in transformers and the message-passing mechanism in graph neural networks are repeatedly applied within deep learning architectures. We show that this application inevitably leads to oversmoothing, i.e., to…

机器学习 · 计算机科学 2023-06-05 Ameen Ali , Tomer Galanti , Lior Wolf

Graphs have become a central representation in machine learning for capturing relational and structured data across various domains. Traditional graph neural networks often struggle to capture long-range dependencies between nodes due to…

机器学习 · 计算机科学 2025-08-26 Leon Dimitrov

Combining the message-passing paradigm with the global attention mechanism has emerged as an effective framework for learning over graphs. The message-passing paradigm and the global attention mechanism fundamentally generate node…

机器学习 · 计算机科学 2025-09-30 Haimin Zhang , Jiahao Xia , Min Xu

Representation learning on graphs that evolve has recently received significant attention due to its wide application scenarios, such as bioinformatics, knowledge graphs, and social networks. The propagation of information in graphs is…

机器学习 · 计算机科学 2021-06-04 Mingyi Liu , Zhiying Tu , Xiaofei Xu , Zhongjie Wang

Graph Transformers (GTs) show considerable potential in graph representation learning. The architecture of GTs typically integrates Graph Neural Networks (GNNs) with global attention mechanisms either in parallel or as a precursor to…

机器学习 · 计算机科学 2026-02-04 Gang Wu , Zhengwei Wang

Graphs are widely used to model relational data. As graphs are getting larger and larger in real-world scenarios, there is a trend to store and compute subgraphs in multiple local systems. For example, recently proposed \emph{subgraph…

机器学习 · 计算机科学 2024-01-30 Zaixi Zhang , Qingyong Hu , Yang Yu , Weibo Gao , Qi Liu

The graph Transformer emerges as a new architecture and has shown superior performance on various graph mining tasks. In this work, we observe that existing graph Transformers treat nodes as independent tokens and construct a single long…

机器学习 · 计算机科学 2023-02-28 Jinsong Chen , Kaiyuan Gao , Gaichao Li , Kun He

Graph Neural Networks (GNNs) set the state-of-the-art in representation learning for graph-structured data. They are used in many domains, from online social networks to complex molecules. Most GNNs leverage the message-passing paradigm and…

机器学习 · 计算机科学 2025-03-06 Tuğrul Hasan Karabulut , İnci M. Baytaş

In the realm of Graph Neural Networks (GNNs), two exciting research directions have recently emerged: Subgraph GNNs and Graph Transformers. In this paper, we propose an architecture that integrates both approaches, dubbed Subgraphormer,…

机器学习 · 计算机科学 2024-05-29 Guy Bar-Shalom , Beatrice Bevilacqua , Haggai Maron

The dominant paradigm for machine learning on graphs uses Message Passing Graph Neural Networks (MP-GNNs), in which node representations are updated by aggregating information in their local neighborhood. Recently, there have been…

机器学习 · 计算机科学 2023-03-02 Daniel Glickman , Eran Yahav

Graph neural networks (GNNs) have achieved great success in many graph learning tasks. The main aspect powering existing GNNs is the multi-layer network architecture to learn the nonlinear graph representations for the specific learning…

机器学习 · 计算机科学 2022-02-21 Beibei Wang , Bo Jiang

Graph Neural Networks (GNNs) have led to state-of-the-art performance on a variety of machine learning tasks such as recommendation, node classification and link prediction. Graph neural network models generate node embeddings by merging…

机器学习 · 计算机科学 2020-11-04 Yunpeng Weng , Xu Chen , Liang Chen , Wei Liu

Session-based recommendation systems suggest relevant items to users by modeling user behavior and preferences using short-term anonymous sessions. Existing methods leverage Graph Neural Networks (GNNs) that propagate and aggregate…

信息检索 · 计算机科学 2022-01-10 Sai Mitheran , Abhinav Java , Surya Kant Sahu , Arshad Shaikh

It has been discovered that Graph Convolutional Networks (GCNs) encounter a remarkable drop in performance when multiple layers are piled up. The main factor that accounts for why deep GCNs fail lies in over-smoothing, which isolates the…

机器学习 · 计算机科学 2023-06-22 Jiaqi Han , Wenbing Huang , Yu Rong , Tingyang Xu , Fuchun Sun , Junzhou Huang