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Link directions are essential to the functionality of networks and their prediction is helpful towards a better knowledge of directed networks from incomplete real-world data. We study the problem of predicting the directions of some links…

物理与社会 · 物理学 2013-07-16 Fangjian Guo , Zimo Yang , Tao Zhou

The safety and robustness of the network have attracted the attention of people from all walks of life, and the damage of several key nodes will lead to extremely serious consequences. In this paper, we proposed the clustering H-index…

物理与社会 · 物理学 2020-03-10 Pengli Lu , Chen Dong

The $k$-core decomposition in a graph is a fundamental problem for social network analysis. The problem of $k$-core decomposition is to calculate the core number for every node in a graph. Previous studies mainly focus on $k$-core…

数据结构与算法 · 计算机科学 2012-07-20 Rong-Hua Li , Jeffrey Xu Yu

Our goal is to quickly find top $k$ lists of nodes with the largest degrees in large complex networks. If the adjacency list of the network is known (not often the case in complex networks), a deterministic algorithm to find a node with the…

数据结构与算法 · 计算机科学 2012-02-16 Konstantin Avrachenkov , Nelly Litvak , Marina Sokol , Don Towsley

In real world complex networks, the importance of a node depends on two important parameters: 1. characteristics of the node, and 2. the context of the given application. The current literature contains several centrality measures that have…

社会与信息网络 · 计算机科学 2017-11-01 Akrati Saxena , S. R. S. Iyengar

Node influence metrics have been applied to many applications, including ranking web pages on internet, or locations on spatial networks. PageRank is a popular and effective algorithm for estimating node influence. However, conventional…

社会与信息网络 · 计算机科学 2021-04-07 Qiwei Ma , Zhaoya Gong

Identifying critical nodes and links in graphs is a crucial task. These nodes/links typically represent critical elements/communication links that play a key role in a system's performance. However, a majority of the methods available in…

社会与信息网络 · 计算机科学 2022-05-31 Sai Munikoti , Laya Das , Balasubramaniam Natarajan

Influence maximization problem involves selecting a subset of seed nodes within a social network to maximize information spread under a given diffusion model, so how to identify the important nodes is the problem to be considered in this…

社会与信息网络 · 计算机科学 2024-11-25 Qi Cao , Yurong Song , Min Li , Ruqi Li , Hongbo Qu , Guo-Ping Jiang , Jinye Xiong

The concept of k-core in complex networks plays a key role in many applications, e.g., understanding the global structure, or identifying central/critical nodes, of a network. A malicious attacker with jamming ability can exploit the…

社会与信息网络 · 计算机科学 2021-12-01 Bo Zhou , Yuqian Lv , Jinhuan Wang , Jian Zhang , Qi Xuan

Graph Neural Networks (GNNs) for prediction tasks like node classification or edge prediction have received increasing attention in recent machine learning from graphically structured data. However, a large quantity of labeled graphs is…

机器学习 · 计算机科学 2021-11-22 Yuexin Wu , Yichong Xu , Aarti Singh , Yiming Yang , Artur Dubrawski

The different approaches developed to analyze the structure of complex networks have generated a large number of studies. In the field of social networks at least, studies mainly address the detection and analysis of communities. In this…

社会与信息网络 · 计算机科学 2020-06-11 Djellabi Mehdi , Jouve Bertrand , Amblard Frédéric

In recent years numerous attempts to understand the human brain were undertaken from a network point of view. A network framework takes into account the relationships between the different parts of the system and enables to examine how…

神经元与认知 · 定量生物学 2018-03-13 Nir Lahav , Baruch Ksherim , Eti Ben-Simon , Adi Maron-Katz , Reuven Cohen , Shlomo Havlin

Identifying a set of influential spreaders in complex networks plays a crucial role in effective information spreading. A simple strategy is to choose top-$r$ ranked nodes as spreaders according to influence ranking method such as PageRank,…

社会与信息网络 · 计算机科学 2016-07-19 Jian-Xiong Zhang , Duan-Bing Chen , Qiang Dong , Zhi-Dan Zhao

The problem of assigning centrality values to nodes and edges in graphs has been widely investigated during last years. Recently, a novel measure of node centrality has been proposed, called k-path centrality index, which is based on the…

社会与信息网络 · 计算机科学 2013-03-08 Pasquale De Meo , Emilio Ferrara , Giacomo Fiumara , Angela Ricciardello

How to evaluate the importance of nodes is essential in research of complex network. There are many methods proposed for solving this problem, but they still have room to be improved. In this paper, a new approach called local volume…

社会与信息网络 · 计算机科学 2022-03-28 Hanwen Li , Qiuyan Shang , Fangzheng Duan , Yong Deng

If a piece of information is released from a media site, can it spread, in 1 month, to a million web pages? This influence estimation problem is very challenging since both the time-sensitive nature of the problem and the issue of…

社会与信息网络 · 计算机科学 2013-11-18 Nan Du , Le Song , Manuel Gomez Rodriguez , Hongyuan Zha

The network of networks(NON) research is focused on studying the properties of n interdependent networks which is ubiquitous in the real world. Identifying the influential nodes in the network of networks is theoretical and practical…

社会与信息网络 · 计算机科学 2015-01-26 Meizhu Li , Qi Zhang , Qi Liu , Yong Deng

Identifying emerging influential or popular node/item in future on network is a current interest of the researchers. Most of previous works focus on identifying leaders in time evolving networks on the basis of network structure or node's…

社会与信息网络 · 计算机科学 2016-09-07 Khushnood Abbas , Mingsheng Shang , Cai Shi-Min , Xiaoyu Shi

A class of random graph models is considered, combining features of exponential-family models and latent structure models, with the goal of retaining the strengths of both of them while reducing the weaknesses of each of them. An open…

统计计算 · 统计学 2020-07-21 Sergii Babkin , Jonathan Stewart , Xiaochen Long , Michael Schweinberger

Predicting links in complex networks has been one of the essential topics within the realm of data mining and science discovery over the past few years. This problem remains an attempt to identify future, deleted, and redundant links using…

社会与信息网络 · 计算机科学 2021-05-21 Kamal Berahmand , Elahe Nasiri , Saman Forouzandeh , Yuefeng Li