Results 11 to 20 of about 39,028 (158)
An Analysis of Centrality’s Features as a New Measure for Network Analysis, Risk Measurement & Portfolio Selection [PDF]
تحقیقات مالی, 2021 Objective: In network theory, centrality is a measure to estimate importance and influence of a special node to the whole network structure. The aim of this research is to investigate the characteristics of stock centrality and its reliability in risk ...
Saeed Fallahpour, Ali Ghahramani
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Graph Theory Approach to COVID-19 Transmission by Municipalities and Age Groups
Mathematical and Computational Applications, 2022 The COVID-19 pandemic remains a global problem that affects the health of millions of people and the world economy. Identifying how the movement of people between regions of the world, countries, and municipalities and how the close contact between ...
Pedro Machado +4 more
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Centrality measures in networks
Social Choice and Welfare, 2023 We show that prominent centrality measures in network analysis are all based on additively separable and linear treatments of statistics that capture a node's position in the network. This enables us to provide a taxonomy of centrality measures that distills them to varying on two dimensions: (i) which information they make use of about nodes ...
Bloch, Francis +2 more
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P-centrality: An Improvement for Information Diffusion Maximization in Weighted Social Networks [PDF]
Computer and Knowledge Engineering, 2023 Online social networks (OSNs) such as Facebook, Twitter, Instagram, etc. have attracted many users all around the world. Based on the centrality concept, many methods are proposed in order to find influential users in an online social network.
Najva Hafizi +5 more
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Interplay Between Hierarchy and Centrality in Complex Networks
IEEE Access, 2020 Hierarchy and centrality are two popular notions used to characterize the importance of entities in complex systems. Indeed, many complex systems exhibit a natural hierarchical structure, and centrality is a fundamental characteristic allowing to ...
Stephany Rajeh +3 more
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A COMPARISON OF CENTRALITY MEASURES IN SUSTAINABLE DEVELOPMENT GOALS
Barekeng, 2020 The Millennium Development Goals (MDGs), which began in 2000 with 8 goal points, have not been able to solve the global problems. The MDGs were developed into Sustainable Development Goals (SDGs) in 2015 with 17 targeted goal points achieved in 2030 ...
Sena Ariesandy +2 more
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Dynamic centrality measures for cattle trade networks
Applied Network Science, 2021 We study network centrality measures that take into account the specific structure of networks with time-stamped edges. In particular, we explore how such measures can be used to identify nodes most relevant for the spread of epidemics on directed ...
Patrick Hoscheit +2 more
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Bipolar-Valued Fuzzy Social Network and Centrality Measures
Discrete Dynamics in Nature and Society, 2022 The concept of bipolar-valued fuzzy relationships and their role in modeling bipolar-valued fuzzy social networks (BVFSN) are discussed. The goal of this study is to represent the bipolarity and fuzziness that are always present in the relationship ...
Sakshi Dev Pandey +3 more
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Centrality Learning: Auralization and Route Fitting
Entropy, 2023 Developing a tailor-made centrality measure for a given task requires domain- and network-analysis expertise, as well as time and effort. Thus, automatically learning arbitrary centrality measures for providing ground-truth node scores is an important ...
Xin Li, Liav Bachar, Rami Puzis
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Redundancy of Centrality Measures in Financial Market Infrastructures
Latin American Journal of Central Banking, 2023 The concept of centrality is widely used to monitor systems with a network structure because it allows identifying their most influential participants. This monitoring task can be difficult if the number of system participants is considerably large or if
Constanza Martínez-Ventura +2 more
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