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Graph Neural Networks (GNNs) traditionally employ a message-passing mechanism that resembles diffusion over undirected graphs, which often leads to homogenization of node features and reduced discriminative power in tasks such as node…

机器学习 · 计算机科学 2025-03-04 Seong Ho Pahng , Sahand Hormoz

Despite the enormous success of graph neural networks (GNNs), most existing GNNs can only be applicable to undirected graphs where relationships among connected nodes are two-way symmetric (i.e., information can be passed back and forth).…

机器学习 · 计算机科学 2021-10-15 Zhuo Tan , Bin Liu , Guosheng Yin

Graph learning is crucial in the fields of bioinformatics, social networks, and chemicals. Although high-order graphlets, such as cycles, are critical to achieving an informative graph representation for node classification, edge…

机器学习 · 计算机科学 2024-02-14 Ziquan Wei , Tingting Dan , Guorong Wu

Deep learning methodology contributes a lot to the development of hyperspectral image (HSI) analysis community. However, it also makes HSI analysis systems vulnerable to adversarial attacks. To this end, we propose a masked spatial-spectral…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Jiahao Qi , Zhiqiang Gong , Xingyue Liu , Kangcheng Bin , Chen Chen , Yongqian Li , Wei Xue , Yu Zhang , Ping Zhong

We propose a new Graph Neural Network that combines recent advancements in the field. We give theoretical contributions by proving that the model is strictly more general than the Graph Isomorphism Network and the Gated Graph Neural…

机器学习 · 计算机科学 2020-01-27 Federico Errica , Davide Bacciu , Alessio Micheli

Given a signed social graph, how can we learn appropriate node representations to infer the signs of missing edges? Signed social graphs have received considerable attention to model trust relationships. Learning node representations is…

机器学习 · 计算机科学 2020-12-29 Jinhong Jung , Jaemin Yoo , U Kang

We propose a masked self-supervised learning framework, called BRepMAE, for automatically extracting a valuable representation of the input computer-aided design (CAD) model to recognize its machining features. Representation learning is…

图形学 · 计算机科学 2026-02-27 Can Yao , Kang Wu , Zuheng Zheng , Siyuan Xing , Xiao-Ming Fu

Graph Neural Networks (GNNs) have garnered significant attention from researchers due to their outstanding performance in handling graph-related tasks, such as social network analysis, protein design, and so on. Despite their widespread…

密码学与安全 · 计算机科学 2025-01-03 Xiao Lin , Mingjie Li , Yisen Wang

In order to extract knowledge from the large data collected by edge devices, traditional cloud based approach that requires data upload may not be feasible due to communication bandwidth limitation as well as privacy and security concerns…

机器学习 · 计算机科学 2021-09-07 Omobayode Fagbohungbe , Sheikh Rufsan Reza , Xishuang Dong , Lijun Qian

Graph neural networks (GNNs), which propagate the node features through the edges and learn how to transform the aggregated features under label supervision, have achieved great success in supervised feature extraction for both node-level…

机器学习 · 统计学 2022-11-01 Yilin He , Chaojie Wang , Hao Zhang , Bo Chen , Mingyuan Zhou

Despite decades of research, understanding human manipulation activities is, and has always been, one of the most attractive and challenging research topics in computer vision and robotics. Recognition and prediction of observed human…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Gamze Akyol , Sanem Sariel , Eren Erdal Aksoy

Accurately predicting the survival rate of cancer patients is crucial for aiding clinicians in planning appropriate treatment, reducing cancer-related medical expenses, and significantly enhancing patients' quality of life. Multimodal…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Liangrui Pan , Yijun Peng , Yan Li , Xiang Wang , Wenjuan Liu , Liwen Xu , Qingchun Liang , Shaoliang Peng

Label propagation is a powerful and flexible semi-supervised learning technique on graphs. Neural networks, on the other hand, have proven track records in many supervised learning tasks. In this work, we propose a training framework with a…

机器学习 · 计算机科学 2017-03-16 Thang D. Bui , Sujith Ravi , Vivek Ramavajjala

Graph neural networks (GNNs) are a popular class of machine learning models whose major advantage is their ability to incorporate a sparse and discrete dependency structure between data points. Unfortunately, GNNs can only be used when such…

机器学习 · 计算机科学 2020-06-22 Luca Franceschi , Mathias Niepert , Massimiliano Pontil , Xiao He

Textual-edge Graphs (TEGs), characterized by rich text annotations on edges, are increasingly significant in network science due to their ability to capture rich contextual information among entities. Existing works have proposed various…

社会与信息网络 · 计算机科学 2024-11-19 Chen Ling , Zhuofeng Li , Yuntong Hu , Zheng Zhang , Zhongyuan Liu , Shuang Zheng , Jian Pei , Liang Zhao

Masked (or absorbing) diffusion is actively explored as an alternative to autoregressive models for generative modeling of discrete data. However, existing work in this area has been hindered by unnecessarily complex model formulations and…

机器学习 · 计算机科学 2025-01-17 Jiaxin Shi , Kehang Han , Zhe Wang , Arnaud Doucet , Michalis K. Titsias

Network representation learning has traditionally been used to find lower dimensional vector representations of the nodes in a network. However, there are very important edge driven mining tasks of interest to the classical network analysis…

社会与信息网络 · 计算机科学 2019-12-12 Sambaran Bandyopadhyay , Anirban Biswas , M. N. Murty , Ramasuri Narayanam

We propose Embedding Propagation (EP), an unsupervised learning framework for graph-structured data. EP learns vector representations of graphs by passing two types of messages between neighboring nodes. Forward messages consist of label…

机器学习 · 计算机科学 2017-10-10 Alberto Garcia-Duran , Mathias Niepert

Heterogeneous graph neural networks (HGNNs) have demonstrated their superiority in exploiting auxiliary information for recommendation tasks. However, graphs constructed using meta-paths in HGNNs are usually too dense and contain a large…

信息检索 · 计算机科学 2025-06-02 Lei Sang , Yu Wang , Yiwen Zhang

Spectral graph convolutional neural networks (GCNNs) have been producing encouraging results in graph classification tasks. However, most spectral GCNNs utilize fixed graphs when aggregating node features, while omitting edge feature…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Yang Yi , Xuequan Lu , Shang Gao , Antonio Robles-Kelly , Yuejie Zhang