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Networks are a general language for representing relational information among objects. An effective way to model, reason about, and summarize networks, is to discover sets of nodes with common connectivity patterns. Such sets are commonly…

社会与信息网络 · 计算机科学 2014-01-30 Jaewon Yang , Julian McAuley , Jure Leskovec

Community detection and link prediction are both of great significance in network analysis, which provide very valuable insights into topological structures of the network from different perspectives. In this paper, we propose a novel…

社会与信息网络 · 计算机科学 2017-07-11 Hui-Min Cheng , Yi-Zi Ning , Zhao Yin , Chao Yan , Xin Liu , Zhong-Yuan Zhang

In this paper, we develop the idea to partition the edges of a weighted graph in order to uncover overlapping communities of its nodes. Our approach is based on the construction of different types of weighted line graphs, i.e. graphs whose…

数据分析、统计与概率 · 物理学 2010-10-22 T. S. Evans , R. Lambiotte

A fundamental problem in the analysis of network data is the detection of network communities, groups of densely interconnected nodes, which may be overlapping or disjoint. Here we describe a method for finding overlapping communities based…

社会与信息网络 · 计算机科学 2015-03-19 Brian Ball , Brian Karrer , M. E. J. Newman

Social recommendation leverages social information to solve data sparsity and cold-start problems in traditional collaborative filtering methods. However, most existing models assume that social effects from friend users are static and…

信息检索 · 计算机科学 2019-03-26 Qitian Wu , Hengrui Zhang , Xiaofeng Gao , Peng He , Paul Weng , Han Gao , Guihai Chen

Many networks can be characterised by the presence of communities, which are groups of units that are closely linked. Identifying these communities can be crucial for understanding the system's overall function. Recently, hypergraphs have…

社会与信息网络 · 计算机科学 2024-03-12 Quintino Francesco Lotito , Federico Musciotto , Alberto Montresor , Federico Battiston

We propose and study a set of algorithms for discovering community structure in networks -- natural divisions of network nodes into densely connected subgroups. Our algorithms all share two definitive features: first, they involve iterative…

统计力学 · 物理学 2009-11-10 M. E. J. Newman , M. Girvan

Social network analysis is leveraged in a variety of applications such as identifying influential entities, detecting communities with special interests, and determining the flow of information and innovations. However, existing approaches…

社会与信息网络 · 计算机科学 2017-01-31 Stefan Siersdorfer , Philipp Kemkes , Hanno Ackermann , Sergej Zerr

In this paper we discuss a very simple approach of combining content and link information in graph structures for the purpose of community discovery, a fundamental task in network analysis. Our approach hinges on the basic intuition that…

社会与信息网络 · 计算机科学 2012-12-04 Yiye Ruan , David Fuhry , Srinivasan Parthasarathy

Networks are commonly used to model complex systems. The different entities in the system are represented by nodes of the network and their interactions by edges. In most real life systems, the different entities may interact in different…

社会与信息网络 · 计算机科学 2024-01-17 Meiby Ortiz-Bouza , Selin Aviyente

Unsupervised node clustering (or community detection) is a classical graph learning task. In this paper, we study algorithms, which exploit the geometry of the graph to identify densely connected substructures, which form clusters or…

社会与信息网络 · 计算机科学 2023-07-20 Yu Tian , Zachary Lubberts , Melanie Weber

Community detection is a fundamental problem in machine learning. While deep learning has shown great promise in many graphrelated tasks, developing neural models for community detection has received surprisingly little attention. The few…

机器学习 · 计算机科学 2019-09-27 Oleksandr Shchur , Stephan Günnemann

Community detection is one of the fundamental problems in the study of network data. Most existing community detection approaches only consider edge information as inputs, and the output could be suboptimal when nodal information is…

统计方法学 · 统计学 2016-12-13 Haolei Weng , Yang Feng

Research data sets are growing to unprecedented sizes and network modeling is commonly used to extract complex relationships in diverse domains, such as genetic interactions involved in disease, logistics, and social communities. As the…

社会与信息网络 · 计算机科学 2024-05-03 Sharlee Climer , Kenneth Smith , Wei Yang , Lisa de las Fuentes , Victor G. Dávila-Román , C. Charles Gu

Many complex networks display a mesoscopic structure with groups of nodes sharing many links with the other nodes in their group and comparatively few with nodes of different groups. This feature is known as community structure and encodes…

物理与社会 · 物理学 2009-07-31 Andrea Lancichinetti , Santo Fortunato

Modern social networks frequently encompass multiple distinct types of connectivity information; for instance, explicitly acknowledged friend relationships might complement behavioral measures that link users according to their actions or…

社会与信息网络 · 计算机科学 2015-06-17 Brandon Oselio , Alex Kulesza , Alfred O. Hero

The use of network based approaches to model and analyse large datasets is currently a growing research field. For instance in biology and medicine, networks are used to model interactions among biological molecules as well as relations…

数据结构与算法 · 计算机科学 2020-09-04 Pietro Hiram Guzzi , Emanuel Salerno , Giuseppe Tradigo , Pierangelo Veltri

Community detection in social networks is a problem with considerable interest, since, discovering communities reveals hidden information about networks. There exist many algorithms to detect inherent community structures and recently few…

社会与信息网络 · 计算机科学 2019-11-21 Waqas Nawaz

The past decade has seen tremendous growth in the field of Complex Social Networks. Several network generation models have been extensively studied to develop an understanding of how real world networks evolve over time. Two important…

社会与信息网络 · 计算机科学 2017-01-23 Muhammad Qasim Pasta , Faraz Zaidi

A significant problem in analysis of complex network is to reveal community structure, in which network nodes are tightly connected in the same communities, between which there are sparse connections. Previous algorithms for community…

物理与社会 · 物理学 2018-04-25 Jingming Zhang , Jianjun Cheng , Xing Su , Xinhong Yin , Shiyan Zhao , Xiaoyun Chen