Results 21 to 30 of about 39,028 (158)

Sampling on networks: estimating spectral centrality measures and their impact in evaluating other relevant network measures

open access: yesApplied Network Science, 2020
We perform an extensive analysis of how sampling impacts the estimate of several relevant network measures. In particular, we focus on how a sampling strategy optimized to recover a particular spectral centrality measure impacts other topological ...
Nicolò Ruggeri, Caterina De Bacco
doaj   +1 more source

Flowthrough Centrality: A Stable Node Centrality Measure

open access: yesJournal of Data Science, 2022
This paper introduces flowthrough centrality, a node centrality measure determined from the hierarchical maximum concurrent flow problem (HMCFP). Based upon the extent to which a node is acting as a hub within a network, this centrality measure is defined to be the fraction of the flow passing through the node to the total flow capacity of the node ...
Charles F. Mann   +3 more
openaire   +1 more source

Measuring node centrality when local and global measures overlap

open access: yesPhysical Review E, 2022
Centrality metrics aim to identify the most relevant nodes in a network. In literature, a broad set of metrics exists, either measuring local or global centrality characteristics. Nevertheless, when networks exhibit a high spectral gap, the usual global centrality measures typically do not add significant information with respect to the degree, i.e ...
Lorenzo Costantini   +3 more
openaire   +4 more sources

How do centrality measures help to predict similarity patterns in molecular chemical structural graphs?

open access: yesArtificial Intelligence Chemistry, 2023
The proposed work uses centrality measures based heuristic method to improve the efficiency of the solution for the similarity search problem in molecular chemical graphs by effectively identifying central candidate or representative candidate nodes ...
Nirmala Parisutham
doaj   +1 more source

Correlation between student collaboration network centrality and academic performance

open access: yesPhysical Review Physics Education Research, 2018
We compute nodal centrality measures on the collaboration networks of students enrolled in three upper-division physics courses, usually taken sequentially, at the Colorado School of Mines.
David L. Vargas   +5 more
doaj   +1 more source

An Experimental Study on Centrality Measures Using Clustering

open access: yesComputers, 2021
Graphs can be found in almost every part of modern life: social networks, road networks, biology, and so on. Finding the most important node is a vital issue.
Péter Marjai   +2 more
doaj   +1 more source

EIGENVECTOR-BASED CENTRALITY MEASURES FOR TEMPORAL NETWORKS. [PDF]

open access: yesMultiscale Model Simul, 2017
Taylor D   +4 more
europepmc   +2 more sources

What do centrality measures measure in psychological networks? [PDF]

open access: yesJournal of Abnormal Psychology, 2019
ISSN:0021 ...
Laura F. Bringmann   +7 more
openaire   +5 more sources

Centrality Measures in Directed Fuzzy Social Networks

open access: yesFuzzy Information and Engineering, 2015
The centrality of actors has been a key issue in undirected fuzzy social network (UFSN) analysis. For undirected fuzzy social networks (UFSNs) where edges are just a present or absent undirected fuzzy relation with no more information attached. There has
Ren-Jie Hu   +3 more
doaj   +1 more source

Map equation centrality: community-aware centrality based on the map equation

open access: yesApplied Network Science, 2022
To measure node importance, network scientists employ centrality scores that typically take a microscopic or macroscopic perspective, relying on node features or global network structure. However, traditional centrality measures such as degree centrality,
Christopher Blöcker   +2 more
doaj   +1 more source

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