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Link prediction and node classification are two important downstream tasks of network representation learning. Existing methods have achieved acceptable results but they perform these two tasks separately, which requires a lot of…

社会与信息网络 · 计算机科学 2021-03-04 Hong Huang , Yu Song , Yao Wu , Jia Shi , Xia Xie , Hai Jin

Graph Convolution Network (GCN) has attracted significant attention and become the most popular method for learning graph representations. In recent years, many efforts have been focused on integrating GCN into the recommender tasks and…

机器学习 · 计算机科学 2020-07-14 Kang Liu , Feng Xue , Richang Hong

Graph embedding techniques have led to significant progress in recent years. However, present techniques are not effective enough to capture the patterns of networks. This paper propose neighbor2vec, a neighbor-based sampling strategy used…

社会与信息网络 · 计算机科学 2022-01-11 Zhiming Lin

Classical network embeddings create a low dimensional representation of the learned relationships between features across nodes. Such embeddings are important for tasks such as link prediction and node classification. In the current paper,…

人工智能 · 计算机科学 2021-03-15 Chris Connell , Yang Wang

Network alignment, in general, seeks to discover the hidden underlying correspondence between nodes across two (or more) networks when given their network structure. However, most existing network alignment methods have added assumptions of…

社会与信息网络 · 计算机科学 2019-02-28 Tyler Derr , Hamid Karimi , Xiaorui Liu , Jiejun Xu , Jiliang Tang

Over the past years, embedding learning on networks has shown tremendous results in link prediction tasks for complex systems, with a wide range of real-life applications. Learning a representation for each node in a knowledge graph allows…

机器学习 · 计算机科学 2026-02-03 Orell Trautmann , Olaf Wolkenhauer , Clémence Réda

Graph embedding is a transformation of nodes of a graph into a set of vectors. A~good embedding should capture the graph topology, node-to-node relationship, and other relevant information about the graph, its subgraphs, and nodes. If these…

社会与信息网络 · 计算机科学 2022-06-22 Arash Dehghan-Kooshkghazi , Bogumił Kamiński , Łukasz Kraiński , Paweł Prałat , François Théberge

Point cloud analysis is an area of increasing interest due to the development of 3D sensors that are able to rapidly measure the depth of scenes accurately. Unfortunately, applying deep learning techniques to perform point cloud analysis is…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Junming Zhang , Ming-Yuan Yu , Ram Vasudevan , Matthew Johnson-Roberson

We consider the problem of learning latent features (aka embedding) for users and items in a recommendation setting. Given only a user-item interaction graph, the goal is to recommend items for each user. Traditional approaches employ…

信息检索 · 计算机科学 2021-02-17 Rahul Ragesh , Sundararajan Sellamanickam , Vijay Lingam , Arun Iyer , Ramakrishna Bairi

This paper proposes a new deep convolutional neural network (DCNN) architecture that learns pixel embeddings, such that pairwise distances between the embeddings can be used to infer whether or not the pixels lie on the same region. That…

计算机视觉与模式识别 · 计算机科学 2016-01-11 Adam W. Harley , Konstantinos G. Derpanis , Iasonas Kokkinos

Recently, graph neural networks (GNNs) have proved to be suitable in tasks on unstructured data. Particularly in tasks as community detection, node classification, and link prediction. However, most GNN models still operate with static…

机器学习 · 计算机科学 2019-06-07 Darwin Saire Pilco , Adín Ramírez Rivera

This paper introduces Associative Compression Networks (ACNs), a new framework for variational autoencoding with neural networks. The system differs from existing variational autoencoders (VAEs) in that the prior distribution used to model…

神经与进化计算 · 计算机科学 2018-04-27 Alex Graves , Jacob Menick , Aaron van den Oord

Recently, a considerable literature has grown up around the theme of Graph Convolutional Network (GCN). How to effectively leverage the rich structural information in complex graphs, such as knowledge graphs with heterogeneous types of…

机器学习 · 计算机科学 2021-04-26 Donghan Yu , Yiming Yang , Ruohong Zhang , Yuexin Wu

Graph convolutional networks (GCNs) have achieved great success on graph-structured data. Many graph convolutional networks can be thought of as low-pass filters for graph signals. In this paper, we propose a more powerful graph…

机器学习 · 计算机科学 2023-06-22 Zhixian Chen , Tengfei Ma , Zhihua Jin , Yangqiu Song , Yang Wang

Network embedding is an effective method to learn low-dimensional representations of nodes, which can be applied to various real-life applications such as visualization, node classification, and link prediction. Although significant…

机器学习 · 计算机科学 2020-03-31 Shixun Huang , Zhifeng Bao , Guoliang Li , Yanghao Zhou , J. Shane Culpepper

Most graph neural network models learn embeddings of nodes in static attributed graphs for predictive analysis. Recent attempts have been made to learn temporal proximity of the nodes. We find that real dynamic attributed graphs exhibit…

机器学习 · 计算机科学 2020-07-28 Daheng Wang , Zhihan Zhang , Yihong Ma , Tong Zhao , Tianwen Jiang , Nitesh V. Chawla , Meng Jiang

Pedestrian trajectory prediction is a critical yet challenging task, especially for crowded scenes. We suggest that introducing an attention mechanism to infer the importance of different neighbors is critical for accurate trajectory…

计算机视觉与模式识别 · 计算机科学 2021-01-15 Congcong Liu , Yuying Chen , Ming Liu , Bertram E. Shi

Various Graph Neural Networks (GNNs) have been successful in analyzing data in non-Euclidean spaces, however, they have limitations such as oversmoothing, i.e., information becomes excessively averaged as the number of hidden layers…

机器学习 · 计算机科学 2024-01-23 Jaeyoon Sim , Sooyeon Jeon , InJun Choi , Guorong Wu , Won Hwa Kim

Current research in Computer Vision has shown that Convolutional Neural Networks (CNN) give state-of-the-art performance in many classification tasks and Computer Vision problems. The embedding of CNN, which is the internal representation…

计算机视觉与模式识别 · 计算机科学 2015-08-04 Axel Angel

Graph Neural Networks have recently become a prevailing paradigm for various high-impact graph analytical problems. Existing efforts can be mainly categorized as spectral-based and spatial-based methods. The major challenge for the former…

机器学习 · 计算机科学 2022-02-22 Yushun Dong , Kaize Ding , Brian Jalaian , Shuiwang Ji , Jundong Li