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Low-dimensional vector representations of network nodes have proven successful to feed graph data to machine learning algorithms and to improve performance across diverse tasks. Most of the embedding techniques, however, have been developed…

物理与社会 · 物理学 2021-05-04 Koya Sato , Mizuki Oka , Alain Barrat , Ciro Cattuto

In machine learning, graph embedding algorithms seek low-dimensional representations of the input network data, thereby allowing for downstream tasks on compressed encodings. Recently, within the framework of network renormalization,…

物理与社会 · 物理学 2025-08-29 Riccardo Milocco , Fabian Jansen , Diego Garlaschelli

Node embedding learns a low-dimensional representation for each node in the graph. Recent progress on node embedding shows that proximity matrix factorization methods gain superb performance and scale to large graphs with millions of nodes.…

机器学习 · 计算机科学 2021-08-13 Xingyi Zhang , Kun Xie , Sibo Wang , Zengfeng Huang

Graph embedding is gaining its popularity for link prediction in complex networks and achieving excellent performance. However, limited work has been done in sparse networks that represent most of real networks. In this paper, we propose a…

社会与信息网络 · 计算机科学 2021-04-22 Min-Ren Chen , Ping Huang , Yu Lin , Shi-Min Cai

Network embedding, which learns low-dimensional vector representation for nodes in the network, has attracted considerable research attention recently. However, the existing methods are incapable of handling billion-scale networks, because…

社会与信息网络 · 计算机科学 2018-09-11 Ziwei Zhang , Peng Cui , Haoyang Li , Xiao Wang , Wenwu Zhu

Multiplex network embedding is an effective technique to jointly learn the low-dimensional representations of nodes across network layers. However, the number of edges among layers may vary significantly. This data imbalance will lead to…

社会与信息网络 · 计算机科学 2023-01-02 Kejia Chen , Yinchu Qiu , Zheng Liu

Embedding a web-scale information network into a low-dimensional vector space facilitates tasks such as link prediction, classification, and visualization. Past research has addressed the problem of extracting such embeddings by adopting…

社会与信息网络 · 计算机科学 2018-03-14 Anton Tsitsulin , Davide Mottin , Panagiotis Karras , Emmanuel Müller

One of the fundamental problems in network virtualization is Virtual Network Embedding (VNE). The VNE problem deals with finding an effective mapping of the virtual nodes & links onto the substrate network. The recent advances in network…

网络与互联网体系结构 · 计算机科学 2016-02-09 Luís Ferrolho , Max Alaluna , Nuno Neves , Fernando M. V. Ramos

Network virtualization provides a promising solution to overcome the ossification of current networks, allowing multiple Virtual Network Requests (VNRs) embedded on a common infrastructure. The major challenge in network virtualization is…

网络与互联网体系结构 · 计算机科学 2018-12-18 Haitao Wu , Fen Zhou , Yaojun Chen , Ran Zhang

Multilayer graph has garnered plenty of research attention in many areas due to their high utility in modeling interdependent systems. However, clustering of multilayer graph, which aims at dividing the graph nodes into categories or…

社会与信息网络 · 计算机科学 2021-12-30 Liang Liu , Zhao Kang , Ling Tian , Wenbo Xu , Xixu He

Understanding non-linear relationships among financial instruments has various applications in investment processes ranging from risk management, portfolio construction and trading strategies. Here, we focus on interconnectedness among…

计算金融 · 定量金融 2022-07-18 Bhaskarjit Sarmah , Nayana Nair , Dhagash Mehta , Stefano Pasquali

Multiplex networks are collections of networks with identical nodes but distinct layers of edges. They are genuine representations for a large variety of real systems whose elements interact in multiple fashions or flavors. However,…

物理与社会 · 物理学 2024-02-27 Daniel Kaiser , Siddharth Patwardhan , Minsuk Kim , Filippo Radicchi

Network alignment is useful for multiple applications that require increasingly large graphs to be processed. Existing research approaches this as an optimization problem or computes the similarity based on node representations. However,…

社会与信息网络 · 计算机科学 2020-08-03 Kyle K. Qin , Flora D. Salim , Yongli Ren , Wei Shao , Mark Heimann , Danai Koutra

Network embedding assigns nodes in a network to low-dimensional representations and effectively preserves the network structure. Recently, a significant amount of progresses have been made toward this emerging network analysis paradigm. In…

社会与信息网络 · 计算机科学 2017-11-27 Peng Cui , Xiao Wang , Jian Pei , Wenwu Zhu

Network embedding approaches are gaining momentum to analyse a large variety of networks. Indeed, these approaches have demonstrated their efficiency for tasks such as community detection, node classification, and link prediction. However,…

机器学习 · 计算机科学 2021-01-06 Léo Pio-Lopez , Alberto Valdeolivas , Laurent Tichit , Élisabeth Remy , Anaïs Baudot

We present a multi-filtering Graph Convolution Neural Network (GCN) framework for network embedding task. It uses multiple local GCN filters to do feature extraction in every propagation layer. We show this approach could capture different…

机器学习 · 计算机科学 2020-04-06 Tingyi Wanyan , Chenwei Zhang , Ariful Azad , Xiaomin Liang , Daifeng Li , Ying Ding

We investigate the problem of multiplex graph embedding, that is, graphs in which nodes interact through multiple types of relations (dimensions). In recent years, several methods have been developed to address this problem. However, the…

机器学习 · 计算机科学 2023-12-29 Kamel Abdous , Nairouz Mrabah , Mohamed Bouguessa

While neural networks for learning representation of multi-view data have been previously proposed as one of the state-of-the-art multi-view dimension reduction techniques, how to make the representation discriminative with only a small…

机器学习 · 计算机科学 2018-11-13 Vahid Noroozi , Sara Bahaadini , Lei Zheng , Sihong Xie , Weixiang Shao , Philip S. Yu

Social network analysis provides meaningful information about behavior of network members that can be used for diverse applications such as classification, link prediction. However, network analysis is computationally expensive because of…

社会与信息网络 · 计算机科学 2018-07-30 Mohammad Mehdi Keikha , Maseud Rahgozar , Masoud Asadpour

There is growing interest in multi-label image classification due to its critical role in web-based image analytics-based applications, such as large-scale image retrieval and browsing. Matrix completion has recently been introduced as a…

机器学习 · 统计学 2019-04-09 Yong Luo , Tongliang Liu , Dacheng Tao , Chao Xu