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Triangle Betweenness Centrality in Weighted Directed Networks
- memexlee@mju.ac.kr
Abstract
This study aims to develop novel centrality measures applicable to networks that include both directional and weighted information, such as interlibrary loan networks and logistics transportation networks. While weighted PageRank has traditionally been used in such cases, experimental results reveal that it yields similar outcomes to neighborhood centrality, which measures local centrality. However, triangle betweenness centrality (TBC), despite assessing global centrality in weighted networks, does not consider link directions. To address these limitations, we propose two modified versions of the existing TBC measure: TBC-T for trust networks and TBC-F for flow networks. Applying these measures to two interlibrary loan networks, we find that TBC-T considers only the weights of inlinks, while TBC-F incorporates both inlink and outlink weights. These newly developed measures are expected to be useful for measuring node global centrality in weighted directed networks.
- keywords
- weighted directed networks, centrality measure, weighted networks, directed networks, triangle betweenness centrality, global centrality
- Submission Date
- 2024-08-29
- Revised Date
- 2024-09-17
- Accepted Date
- 2024-09-17
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