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Graph Neural Networks (GNNs) are widely used in graph data mining tasks. Traditional GNNs follow a message passing scheme that can effectively utilize local and structural information. However, the phenomena of over-smoothing and…

机器学习 · 计算机科学 2025-04-14 Zijie Zhou , Zhaoqi Lu , Xuekai Wei , Rongqin Chen , Shenghui Zhang , Pak Lon Ip , Leong Hou U

We propose a recipe on how to build a general, powerful, scalable (GPS) graph Transformer with linear complexity and state-of-the-art results on a diverse set of benchmarks. Graph Transformers (GTs) have gained popularity in the field of…

机器学习 · 计算机科学 2023-01-18 Ladislav Rampášek , Mikhail Galkin , Vijay Prakash Dwivedi , Anh Tuan Luu , Guy Wolf , Dominique Beaini

Graph-Level Anomaly Detection (GLAD) aims to distinguish anomalous graphs within a graph dataset. However, current methods are constrained by their receptive fields, struggling to learn global features within the graphs. Moreover, most…

机器学习 · 计算机科学 2024-07-04 Fan Xu , Nan Wang , Hao Wu , Xuezhi Wen , Dalin Zhang , Siyang Lu , Binyong Li , Wei Gong , Hai Wan , Xibin Zhao

The training and generalization dynamics of the Transformer's core mechanism, namely the Attention mechanism, remain under-explored. Besides, existing analyses primarily focus on single-head attention. Inspired by the demonstrated benefits…

机器学习 · 计算机科学 2024-10-15 Puneesh Deora , Rouzbeh Ghaderi , Hossein Taheri , Christos Thrampoulidis

Graph Neural Networks (GNNs) have shown impressive performance in graph representation learning, but they face challenges in capturing long-range dependencies due to their limited expressive power. To address this, Graph Transformers (GTs)…

Graph Transformers (GTs) have demonstrated superior performance compared to traditional message-passing graph neural networks in many studies, especially in processing graph data with long-range dependencies. However, GTs tend to suffer…

机器学习 · 计算机科学 2025-04-30 Zhonghao Li , Ji Shi , Xinming Zhang , Miao Zhang , Bo Li

Knowledge graph reasoning plays a vital role in various applications and has garnered considerable attention. Recently, path-based methods have achieved impressive performance. However, they may face limitations stemming from constraints in…

人工智能 · 计算机科学 2024-12-18 Junnan Liu , Qianren Mao , Weifeng Jiang , Jianxin Li

Graph-based environments pose unique challenges to multi-agent reinforcement learning. In decentralized approaches, agents operate within a given graph and make decisions based on partial or outdated observations. The size of the observed…

多智能体系统 · 计算机科学 2024-06-05 Jannis Weil , Zhenghua Bao , Osama Abboud , Tobias Meuser

The Transformer architecture has become a dominant choice in many domains, such as natural language processing and computer vision. Yet, it has not achieved competitive performance on popular leaderboards of graph-level prediction compared…

机器学习 · 计算机科学 2021-11-25 Chengxuan Ying , Tianle Cai , Shengjie Luo , Shuxin Zheng , Guolin Ke , Di He , Yanming Shen , Tie-Yan Liu

This work focuses on training graph foundation models (GFMs) that have strong generalization ability in graph-level tasks such as graph classification. Effective GFM training requires capturing information consistent across different…

机器学习 · 计算机科学 2026-03-10 Ziheng Sun , Qi Feng , Lehao Lin , Chris Ding , Jicong Fan

Rearranging deformable objects is a long-standing challenge in robotic manipulation for the high dimensionality of configuration space and the complex dynamics of deformable objects. We present a novel framework, Graph-Transporter, for…

机器人学 · 计算机科学 2023-02-22 Yuhong Deng , Chongkun Xia , Xueqian Wang , Lipeng Chen

When facing graph signal processing tasks, the workhorse assumption is that the graph describing the support of the signals is known. However, in many relevant applications the available graph suffers from observation errors and…

信号处理 · 电气工程与系统科学 2024-12-03 Samuel Rey , Victor M. Tenorio , Antonio G. Marques

Graph learning has a wide range of applications in many scenarios, which require more need for data privacy. Federated learning is an emerging distributed machine learning approach that leverages data from individual devices or data centers…

机器学习 · 计算机科学 2023-07-20 Peilin Liu , Yanni Tang , Mingyue Zhang , Wu Chen

The transformer architecture has shown remarkable success in various domains, such as natural language processing and computer vision. When it comes to graph learning, transformers are required not only to capture the interactions between…

机器学习 · 计算机科学 2024-01-30 Van Thuy Hoang , O-Joun Lee

In numerous artificial intelligence applications, the collaborative efforts of multiple intelligent agents are imperative for the successful attainment of target objectives. To enhance coordination among these agents, a distributed…

机器学习 · 计算机科学 2024-05-15 Shengchao Hu , Li Shen , Ya Zhang , Dacheng Tao

Graph neural networks have emerged as a powerful tool for graph representation learning, but their performance heavily relies on abundant task-specific supervision. To reduce labeling requirement, the "pre-train, prompt" paradigms have…

机器学习 · 计算机科学 2024-08-27 Xingtong Yu , Zhenghao Liu , Yuan Fang , Zemin Liu , Sihong Chen , Xinming Zhang

Graph Transformers (GTs) have shown strong empirical performance, yet current architectures vary widely in their use of attention mechanisms, positional embeddings (PEs), and expressivity. Existing expressivity results are often tied to…

机器学习 · 计算机科学 2025-11-12 Timo Stoll , Luis Müller , Christopher Morris

Graph neural networks (GNNs) have been widely adopted in engineering applications such as social network analysis, chemical research and computer vision. However, their efficacy is severely compromised by the inherent homophily assumption,…

机器学习 · 计算机科学 2026-04-13 Yi Luo , Xu Sun , Guangchun Luo , Aiguo Chen

Graph Transformers (GTs) have shown advantages in numerous graph structure tasks but their self-attention mechanism ignores the generalization bias of graphs, with existing methods mainly compensating for this bias from aspects like…

机器学习 · 计算机科学 2025-04-29 Yonghui Zhai , Yang Zhang , Minghao Shang , Lihua Pang , Yaxin Ren

Despite the growing popularity of graph attention mechanisms, their theoretical understanding remains limited. This paper aims to explore the conditions under which these mechanisms are effective in node classification tasks through the…

机器学习 · 计算机科学 2025-05-14 Zhongtian Ma , Qiaosheng Zhang , Bocheng Zhou , Yexin Zhang , Shuyue Hu , Zhen Wang