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Graph classification is an important learning task for graph-structured data. Graph neural networks (GNNs) have recently gained growing attention in graph learning and have shown significant improvements in many important graph problems.…

机器学习 · 计算机科学 2024-01-31 Tao Wen , Elynn Chen , Yuzhou Chen

Transformer architecture has emerged to be successful in a number of natural language processing tasks. However, its applications to medical vision remain largely unexplored. In this study, we present UTNet, a simple yet powerful hybrid…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Yunhe Gao , Mu Zhou , Dimitris Metaxas

Recent progress in cross-lingual relation and event extraction use graph convolutional networks (GCNs) with universal dependency parses to learn language-agnostic sentence representations such that models trained on one language can be…

计算与语言 · 计算机科学 2021-02-19 Wasi Uddin Ahmad , Nanyun Peng , Kai-Wei Chang

We present Laneformer, a conceptually simple yet powerful transformer-based architecture tailored for lane detection that is a long-standing research topic for visual perception in autonomous driving. The dominant paradigms rely on purely…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Jianhua Han , Xiajun Deng , Xinyue Cai , Zhen Yang , Hang Xu , Chunjing Xu , Xiaodan Liang

Many real-world graphs (networks) are heterogeneous with different types of nodes and edges. Heterogeneous graph embedding, aiming at learning the low-dimensional node representations of a heterogeneous graph, is vital for various…

社会与信息网络 · 计算机科学 2021-12-15 Wentao Xu , Yingce Xia , Weiqing Liu , Jiang Bian , Jian Yin , Tie-Yan Liu

Recently, Graph Transformers have emerged as a promising solution to alleviate the inherent limitations of Graph Neural Networks (GNNs) and enhance graph representation performance. Unfortunately, Graph Transformers are computationally…

神经与进化计算 · 计算机科学 2024-03-26 Yundong Sun , Dongjie Zhu , Yansong Wang , Zhaoshuo Tian , Ning Cao , Gregory O'Hared

Graph representation learning has become a crucial task in machine learning and data mining due to its potential for modeling complex structures such as social networks, chemical compounds, and biological systems. Spiking neural networks…

人工智能 · 计算机科学 2024-03-27 Huifeng Yin , Mingkun Xu , Jing Pei , Lei Deng

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

Traditional Graph Self-Supervised Learning (GSSL) struggles to capture complex structural properties well. This limitation stems from two main factors: (1) the inadequacy of conventional Graph Neural Networks (GNNs) in representing…

机器学习 · 计算机科学 2025-02-25 Asiri Wijesinghe , Hao Zhu , Piotr Koniusz

The Transformer is a sequence model that forgoes traditional recurrent architectures in favor of a fully attention-based approach. Besides improving performance, an advantage of using attention is that it can also help to interpret a model…

人机交互 · 计算机科学 2019-06-14 Jesse Vig

Anomaly detection in graph-structured data is an inherently challenging problem, as it requires the identification of rare nodes that deviate from the majority in both their structural and behavioral characteristics. Existing methods, such…

机器学习 · 计算机科学 2025-09-16 Mingkang Li , Xuexiong Luo , Yue Zhang , Yaoyang Li , Fu Lin

Graph Attention Networks (GATs) are one of the most popular GNN architectures and are considered as the state-of-the-art architecture for representation learning with graphs. In GAT, every node attends to its neighbors given its own…

机器学习 · 计算机科学 2022-02-01 Shaked Brody , Uri Alon , Eran Yahav

Trajectory prediction is fundamental to various intelligent technologies, such as autonomous driving and robotics. The motion prediction of pedestrians and vehicles helps emergency braking, reduces collisions, and improves traffic safety.…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Yao Liu , Binghao Li , Xianzhi Wang , Claude Sammut , Lina Yao

In the field of deep learning, Graph Neural Networks (GNNs) and Graph Transformer models, with their outstanding performance and flexible architectural designs, have become leading technologies for processing structured data, especially…

机器学习 · 计算机科学 2025-02-04 Jiawei E , Yinglong Zhang , Xuewen Xia , Xing Xu

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

Graph Neural Networks (GNNs) have emerged as the de facto standard for modeling graph data, with attention mechanisms and transformers significantly enhancing their performance on graph-based tasks. Despite these advancements, the…

机器学习 · 计算机科学 2025-04-07 Nikhil Shivakumar Nayak

It has become a popular paradigm to transfer the knowledge of large-scale pre-trained models to various downstream tasks via fine-tuning the entire model parameters. However, with the growth of model scale and the rising number of…

机器学习 · 计算机科学 2023-05-18 Anchun Gui , Jinqiang Ye , Han Xiao

We present a novel graph Transformer generative adversarial network (GTGAN) to learn effective graph node relations in an end-to-end fashion for the challenging graph-constrained house generation task. The proposed graph-Transformer-based…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Hao Tang , Zhenyu Zhang , Humphrey Shi , Bo Li , Ling Shao , Nicu Sebe , Radu Timofte , Luc Van Gool

Attention mechanisms have made significant strides in graph learning, yet they still exhibit notable limitations: local attention faces challenges in capturing long-range information due to the inherent problems of the message-passing…

机器学习 · 计算机科学 2023-10-10 Siyuan Huang , Yunchong Song , Jiayue Zhou , Zhouhan Lin

Graph Transformers have recently achieved remarkable progress in graph representation learning by capturing long-range dependencies through self-attention. However, their quadratic computational complexity and inability to effectively model…