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Recently there has been a lot of interest in monitoring and identifying changes in dynamic networks, which has led to the development of a variety of monitoring methods. Unfortunately, these methods have not been systematically compared;…

统计计算 · 统计学 2019-05-27 Lisha Yu , Inez M. Zwetsloot , Nathaniel T. Stevens , James D. Wilson , Kwok Leung Tsui

In this paper a simple but efficient real-time detecting algorithm is proposed for tracking community structure of dynamic networks. Community structure is intuitively characterized as divisions of network nodes into subgroups, within which…

社会与信息网络 · 计算机科学 2014-07-11 Jiaxing Shang , Lianchen Liu , Feng Xie , Zhen Chen , Jiajia Miao , Xuelin Fang , Cheng Wu

A "community" in a social network is usually understood to be a group of nodes more densely connected with each other than with the rest of the network. This is an important concept in most domains where networks arise: social,…

社会与信息网络 · 计算机科学 2011-12-09 Sanjeev Arora , Rong Ge , Sushant Sachdeva , Grant Schoenebeck

The community plays a crucial role in understanding user behavior and network characteristics in social networks. Some users can use multiple social networks at once for a variety of objectives. These users are called overlapping users who…

社会与信息网络 · 计算机科学 2024-05-08 Ziqing Zhu , Guan Yuan , Tao Zhou , Jiuxin Cao

A new generation of "behavior-aware" delay tolerant networks is emerging in what may define future mobile social networks. With the introduction of novel behavior-aware protocols, services and architectures, there is a pressing need to…

网络与互联网体系结构 · 计算机科学 2010-06-15 Gautam Thakur , Ahmed Helmy , Wei-Jen Hsu

This paper presents the design of deep learning architectures which allow to classify the social relationship existing between two people who are walking in a side-by-side formation into four possible categories --colleagues, couple, family…

机器学习 · 计算机科学 2022-07-08 Oscar Castro , Ely Repiso , Anais Garrell , Alberto Sanfeliu

Many groups with diverse convictions are interacting online. Interactions in online communities help people to engage each other and enhance understanding across groups. Online communities include multiple sub-communities whose members are…

社会与信息网络 · 计算机科学 2014-09-01 Saeede Ajorlou , Issac Shams , Kai Yang

The continuous interest in the social network area contributes to the fast development of this field. The new possibilities of obtaining and storing data facilitate deeper analysis of the entire network, extracted social groups and single…

社会与信息网络 · 计算机科学 2012-07-24 Piotr Bródka , Stanisław Saganowski , Przemysław Kazienko

Nowadays, networks are almost ubiquitous. In the past decade, community detection received an increasing interest as a way to uncover the structure of networks by grouping nodes into communities more densely connected internally than…

数据结构与算法 · 计算机科学 2015-03-20 Erwan Le Martelot , Chris Hankin

Recent developments in the internet and technology have made major advancements in tools that facilitate the collection of social data, opening up thus new opportunities for analyzing social networks. Social network analysis studies the…

社会与信息网络 · 计算机科学 2022-12-06 Souaad Boudebza

Graph models help understand network dynamics and evolution. Creating graphs with controlled topology and embedded partitions is a common strategy for evaluating community detection algorithms. However, existing benchmarks often overlook…

社会与信息网络 · 计算机科学 2025-10-09 Laurent Brisson , Cécile Bothorel , Nicolas Duminy

Social media platforms continue to struggle with the growing presence of social bots-automated accounts that can influence public opinion and facilitate the spread of disinformation. Over time, these social bots have advanced significantly,…

社会与信息网络 · 计算机科学 2025-04-24 Edoardo Allegrini , Edoardo Di Paolo , Marinella Petrocchi , Angelo Spognardi

Discovering communities in complex networks means grouping nodes similar to each other, to uncover latent information about them. There are hundreds of different algorithms to solve the community detection task, each with its own…

社会与信息网络 · 计算机科学 2019-07-05 Michele Coscia

Community structure is of paramount importance for the understanding of complex networks. Consequently, there is a tremendous effort in order to develop efficient community detection algorithms. Unfortunately, the issue of a fair assessment…

社会与信息网络 · 计算机科学 2017-11-28 Jebabli Malek , Cherifi Hocine , Cherifi Chantal , Hamouda Atef

In this paper, we propose algorithms that leverage a known community structure to make group testing more efficient. We consider a population organized in connected communities: each individual participates in one or more communities, and…

Link streams model interactions over time in a wide range of fields. Under this model, the challenge is to mine efficiently both temporal and topological structures. Community detection and change point detection are one of the most…

社会与信息网络 · 计算机科学 2019-07-25 Souaad Boudebza , Remy Cazabet , Omar Nouali , Faical Azouaou

With the rapid development of Internet technology, online social networks (OSNs) have got fast development and become increasingly popular. Meanwhile, the research works across multiple social networks attract more and more attention from…

社会与信息网络 · 计算机科学 2020-03-09 Ziqing Zhu , Tao Zhou , Chenghao Jia , Weijia Liu , Jiuxin Cao

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

Overlapping communities are key characteristics of the structure and function analysis of complex networks. Shared or overlapping nodes within overlapping communities can form either subcommunities or act as intersections between larger…

社会与信息网络 · 计算机科学 2025-12-19 Vesa Kuikka , Kosti Koistinen , Kimmo K Kaski

In the era of mobile computing, understanding human mobility patterns is crucial in order to better design protocols and applications. Many studies focus on different aspects of human mobility such as people's points of interests, routes,…

社会与信息网络 · 计算机科学 2015-12-16 Ivan Oliveira Nunes , Pedro O. S. Vaz de Melo , Antonio A. F. Loureiro