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Bridges in social networks: current status and challenges
Jeongseon Kim1,2, Soohwan Jeong1, Jungeun Kim3
1Department of Computer Science and Engineering, Chungnam National University, Daejeon, Republic of Korea.
Peerj. Computer Science
|September 24, 2025
Summary
Bridges in social networks are classified as structural, maintaining connectivity, or functional, enabling information flow. This framework clarifies bridge roles for better network design and analysis.
Area of Science:
- Social Network Analysis
- Graph Theory
- Information Science
Background:
- Bridges are crucial for connectivity and information flow in social networks.
- Existing research lacks a systematic classification of bridge roles across diverse network types.
Purpose of the Study:
- To introduce a novel classification of bridges into structural and functional types.
- To provide a framework for understanding the distinct roles of bridges in social networks.
Main Methods:
- Comprehensive literature review.
- Classification of existing studies based on the proposed bridge typology.
- Analysis of bridge functions within various network structures.
Main Results:
- Structural bridges were identified as key to preventing network fragmentation and maintaining overall connectivity.
- Functional bridges were characterized by their role in facilitating information dissemination between distinct communities.
- The study successfully categorized diverse bridge functions within the proposed structural-functional framework.
Conclusions:
- The proposed classification offers a clear distinction between structural and functional bridges.
- Understanding these roles is vital for optimizing network design and analysis strategies.
- This framework enhances the study of network connectivity and information diffusion.
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