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Network embedding, which aims to learn low-dimensional representations of nodes, has been used for various graph related tasks including visualization, link prediction and node classification. Most existing embedding methods rely solely on…

社会与信息网络 · 计算机科学 2019-08-22 Palash Goyal , Homa Hosseinmardi , Emilio Ferrara , Aram Galstyan

Artificial Neural Networks (ANN) have gained significant popularity thanks to their ability to learn using the well-known backpropagation algorithm. Conversely, Spiking Neural Networks (SNNs), despite having broader capabilities than ANNs,…

神经与进化计算 · 计算机科学 2024-06-26 Sergio Davies , Andrew Gait , Andrew Rowley , Alessandro Di Nuovo

Spatially embedded networks are shaped by a combination of purely topological (space-independent) and space-dependent formation rules. While it is quite easy to artificially generate networks where the relative importance of these two…

物理与社会 · 物理学 2013-09-10 Franco Ruzzenenti , Francesco Picciolo , Riccardo Basosi , Diego Garlaschelli

Learning from complex real-life networks is a lively research area, with recent advances in learning information-rich, low-dimensional network node representations. However, state-of-the-art methods are not necessarily interpretable and are…

机器学习 · 计算机科学 2020-12-01 Sebastian Mežnar , Nada Lavrač , Blaž Škrlj

A limitation of the Graph Convolutional Networks (GCNs) is that it assumes at a particular $l^{th}$ layer of the neural network model only the $l^{th}$ order neighbourhood nodes of a social network are influential. Furthermore, the GCN has…

机器学习 · 计算机科学 2019-09-02 Akanda Wahid -Ul- Ashraf , Marcin Budka , Katarzyna Musial

By recursively summing node features over entire neighborhoods, spatial graph convolution operators have been heralded as key to the success of Graph Neural Networks (GNNs). Yet, despite the multiplication of GNN methods across tasks and…

机器学习 · 计算机科学 2022-07-14 Sowon Jeong , Claire Donnat

Social and information networks are gaining huge popularity recently due to their various applications. Knowledge representation through graphs in the form of nodes and edges should preserve as many characteristics of the original data as…

机器学习 · 计算机科学 2021-02-08 Rucha Bhalchandra Joshi , Subhankar Mishra

Network embedding is a very important method for network data. However, most of the algorithms can only deal with static networks. In this paper, we propose an algorithm Recurrent Neural Network Embedding (RNNE) to deal with dynamic…

机器学习 · 计算机科学 2020-07-01 Haiwei Huang , Jinlong Li , Huimin He , Huanhuan Chen

Hypergraph offers a framework to depict the multilateral relationships in real-world complex data. Predicting higher-order relationships, i.e hyperedge, becomes a fundamental problem for the full understanding of complicated interactions.…

社会与信息网络 · 计算机科学 2021-06-15 Changlin Wan , Muhan Zhang , Wei Hao , Sha Cao , Pan Li , Chi Zhang

Convolutional neural networks (CNNs) have proven highly effective at image synthesis and style transfer. For most users, however, using them as tools can be a challenging task due to their unpredictable behavior that goes against common…

计算机视觉与模式识别 · 计算机科学 2016-03-08 Alex J. Champandard

The modern age has seen an exponential growth of social network data available on the web. Analysis of these networks reveal important structural information about these networks in particular and about our societies in general. More often…

社会与信息网络 · 计算机科学 2014-10-28 Aneeq Hashmi , Faraz Zaidi , Arnaud Sallaberry , Tariq Mehmood

Network embeddings learn to represent nodes as low-dimensional vectors to preserve the proximity between nodes and communities of the network for network analysis. The temporal edges (e.g., relationships, contacts, and emails) in dynamic…

社会与信息网络 · 计算机科学 2019-06-25 Chuanchang Chen , Yubo Tao , Hai Lin

Spatiotemporal modeling has evolved beyond simple time series analysis to become fundamental in structural time series analysis. While current research extensively employs graph neural networks (GNNs) for spatial feature extraction with…

机器学习 · 计算机科学 2026-04-20 Zhaobo Hu , Vincent Gauthier , Mehdi Naima

Graph or network data is ubiquitous in the real world, including social networks, information networks, traffic networks, biological networks and various technical networks. The non-Euclidean nature of graph data poses the challenge for…

社会与信息网络 · 计算机科学 2019-09-06 Junjie Huang , Huawei Shen , Liang Hou , Xueqi Cheng

Computational models are an essential tool for understanding the origin and functions of the topographic organisation of the primate visual system. Yet, vision is most commonly modelled by convolutional neural networks that ignore…

神经元与认知 · 定量生物学 2023-08-21 Zejin Lu , Adrien Doerig , Victoria Bosch , Bas Krahmer , Daniel Kaiser , Radoslaw M Cichy , Tim C Kietzmann

Networks in nature are often formed within a spatial domain in a dynamical manner, gaining links and nodes as they develop over time. We propose a class of spatially-based growing network models and investigate the relationship between the…

物理与社会 · 物理学 2013-12-30 Ari Zitin , Alex Gorowora , Shane Squires , Mark Herrera , Thomas M. Antonsen , Michelle Girvan , Edward Ott

We describe SynGraphy, a method for visually summarising the structure of large network datasets that works by drawing smaller graphs generated to have similar structural properties to the input graphs. Visualising complex networks is…

社会与信息网络 · 计算机科学 2023-02-16 Jérôme Kunegis , Pawan Kumar , Jun Sun , Anna Samoilenko , Giuseppe Pirró

We introduce Graph-Structured Sum-Product Networks (GraphSPNs), a probabilistic approach to structured prediction for problems where dependencies between latent variables are expressed in terms of arbitrary, dynamic graphs. While many…

机器学习 · 计算机科学 2017-11-23 Kaiyu Zheng , Andrzej Pronobis , Rajesh P. N. Rao

Understanding the spatial networks formed by the trajectories of mobile users can be beneficial to applications ranging from epidemiology to local search. Despite the potential for impact in a number of fields, several aspects of human…

社会与信息网络 · 计算机科学 2015-03-18 Anastasios Noulas , Blake Shaw , Renaud Lambiotte , Cecilia Mascolo

The value proposition of a dataset often resides in the implicit interconnections or explicit relationships (patterns) among individual entities, and is often modeled as a graph. Effective visualization of such graphs can lead to key…

数据库 · 计算机科学 2017-02-14 Yang Zhang , Yusu Wang , Srinivasan Parthasarathy