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We propose a new local community detection algorithm that finds communities by identifying borderlines between them using boundary nodes. Our method performs label propagation for community detection, where nodes decide their labels based…

物理与社会 · 物理学 2018-10-17 Mursel Tasgin , Haluk O. Bingol

We develop the use of mutual information (MI), a well-established metric in information theory, to interpret the inner workings of deep learning models. To accurately estimate MI from a finite number of samples, we present GMM-MI…

数据分析、统计与概率 · 物理学 2023-04-12 Davide Piras , Hiranya V. Peiris , Andrew Pontzen , Luisa Lucie-Smith , Ningyuan Guo , Brian Nord

In statistical network analysis, we often assume either the full network is available or multiple subgraphs can be sampled to estimate various global properties of the network. However, in a real social network, people frequently make…

统计方法学 · 统计学 2024-07-04 Xiao Han , Y. X. Rachel Wang , Qing Yang , Xin Tong

Community structures detection in signed network is very important for understanding not only the topology structures of signed networks, but also the functions of them, such as information diffusion, epidemic spreading, etc. In this paper,…

社会与信息网络 · 计算机科学 2018-07-24 Chao Yan , Hui-Min Cheng , Xin Liu , Zhong-Yuan Zhang

The Network Scale-up Method (NSUM) uses social networks and answers to "How many X's do you know?" questions to estimate sizes of groups excluded by standard surveys. This paper addresses the bias caused by varying average social network…

应用统计 · 统计学 2024-03-26 Ian Laga , Jessica P. Kunke , Tyler H. McCormick , Xiaoyue Niu

Variational approaches based on neural networks are showing promise for estimating mutual information (MI) between high dimensional variables. However, they can be difficult to use in practice due to poorly understood bias/variance…

机器学习 · 计算机科学 2020-03-25 Jiaming Song , Stefano Ermon

In social networks, neighborhood is crucial for understanding individual behavior in response to environments, and thus it is essential to analyze an individual's local perspective within the global network. This paper studies how to…

统计方法学 · 统计学 2025-02-25 Lijia Wang , Xiao Han , Yanhui Wu , Y. X. Rachel Wang

We propose a general form of community detecting functions for finding the communities or the optimal partition of a random network, and examine the concentration and stability of the function values using the bounded difference martingale…

概率论 · 数学 2012-03-28 Weituo Zhang , Chjan C. Lim

Community detection and edge prediction are both forms of link mining: they are concerned with discovering the relations between vertices in networks. Some of the vertex similarity measures used in edge prediction are closely related to the…

物理与社会 · 物理学 2015-06-03 Bowen Yan , Steve Gregory

In real-world scenarios, large graphs represent relationships among entities in complex systems. Mining these large graphs often containing millions of nodes and edges helps uncover structural patterns and meaningful insights. Dividing a…

社会与信息网络 · 计算机科学 2025-09-12 Shrabani Ghosh , Erik Saule

Community detection and analysis is an important methodology for understanding the organization of various real-world networks and has applications in problems as diverse as consensus formation in social communities or the identification of…

物理与社会 · 物理学 2007-09-20 Usha Nandini Raghavan , Reka Albert , Soundar Kumara

There are several metrics (Modularity, Mutual Information, Conductance, etc.) to evaluate the strength of graph clustering in large graphs. These metrics have great significance to measure the effectiveness and they are often used to find…

社会与信息网络 · 计算机科学 2016-10-12 Md. Khaledur Rahman

One of the most widely studied problem in mining and analysis of complex networks is the detection of community structures. The problem has been extensively studied by researchers due to its high utility and numerous applications in various…

社会与信息网络 · 计算机科学 2016-07-29 Muhammad Qasim Pasta , Faraz Zaidi , Guy Melançon

Proximity measures on graphs have a variety of applications in network analysis, including community detection. Previously they have been mainly studied in the context of networks without attributes. If node attributes are taken into…

社会与信息网络 · 计算机科学 2022-12-06 Rinat Aynulin , Pavel Chebotarev

Community structure is one of the most important features of complex networks. Modularity-based methods for community detection typically rely on heuristic algorithms to optimize a specific community quality function. Such methods are…

物理与社会 · 物理学 2022-09-02 Kun Gao , Xuezao Ren , Lei Zhou , Junfang Zhu

One of the most influential results in neural network theory is the universal approximation theorem [1, 2, 3] which states that continuous functions can be approximated to within arbitrary accuracy by single-hidden-layer feedforward neural…

机器学习 · 计算机科学 2021-12-16 Clemens Hutter , Recep Gül , Helmut Bölcskei

Nearest neighbor (NN) matching as a tool to align data sampled from different groups is both conceptually natural and practically well-used. In a landmark paper, Abadie and Imbens (2006) provided the first large-sample analysis of NN…

统计理论 · 数学 2021-12-28 Zhexiao Lin , Peng Ding , Fang Han

Community detection is a fundamental problem in computational sciences with extensive applications in various fields. The most commonly used methods are the algorithms designed to maximize modularity over different partitions of the network…

社会与信息网络 · 计算机科学 2023-06-27 Samin Aref , Mahdi Mostajabdaveh , Hriday Chheda

Complex real-world networks commonly reveal characteristic groups of nodes like communities and modules. These are of value in various applications, especially in the case of large social and information networks. However, while numerous…

社会与信息网络 · 计算机科学 2013-12-30 Lovro Šubelj , Marko Bajec

Uncovering the community structure exhibited by real networks is a crucial step towards an understanding of complex systems that goes beyond the local organization of their constituents. Many algorithms have been proposed so far, but none…

物理与社会 · 物理学 2010-09-17 Andrea Lancichinetti , Santo Fortunato
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