Machine Learning Informed by Micro and Mesoscopic Statistical Physics Methods for Community Detection
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866910914007007232 |
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| author | Ran, Yijun Yi, Junfan Si, Wei Small, Michael Shang, Ke-ke |
| author_facet | Ran, Yijun Yi, Junfan Si, Wei Small, Michael Shang, Ke-ke |
| contents | Community detection plays a crucial role in understanding the structural organization of complex networks. Previous methods, particularly those from statistical physics, primarily focus on the analysis of mesoscopic network structures and often struggle to integrate fine-grained node similarities. To address this limitation, we propose a low-complexity framework that integrates machine learning to embed micro-level node-pair similarities into mesoscopic community structures. By leveraging ensemble learning models, our approach enhances both structural coherence and detection accuracy. Experimental evaluations on artificial and real-world networks demonstrate that our framework consistently outperforms conventional methods, achieving higher modularity and improved accuracy in NMI and ARI. Notably, when ground-truth labels are available, our approach yields the most accurate detection results, effectively recovering real-world community structures while minimizing misclassifications. To further explain our framework's performance, we analyze the correlation between node-pair similarity and evaluation metrics. The results reveal a strong and statistically significant correlation, underscoring the critical role of node-pair similarity in enhancing detection accuracy. Overall, our findings highlight the synergy between machine learning and statistical physics, demonstrating how machine learning techniques can enhance network analysis and uncover complex structural patterns. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_13538 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Machine Learning Informed by Micro and Mesoscopic Statistical Physics Methods for Community Detection Ran, Yijun Yi, Junfan Si, Wei Small, Michael Shang, Ke-ke Social and Information Networks Adaptation and Self-Organizing Systems Physics and Society Community detection plays a crucial role in understanding the structural organization of complex networks. Previous methods, particularly those from statistical physics, primarily focus on the analysis of mesoscopic network structures and often struggle to integrate fine-grained node similarities. To address this limitation, we propose a low-complexity framework that integrates machine learning to embed micro-level node-pair similarities into mesoscopic community structures. By leveraging ensemble learning models, our approach enhances both structural coherence and detection accuracy. Experimental evaluations on artificial and real-world networks demonstrate that our framework consistently outperforms conventional methods, achieving higher modularity and improved accuracy in NMI and ARI. Notably, when ground-truth labels are available, our approach yields the most accurate detection results, effectively recovering real-world community structures while minimizing misclassifications. To further explain our framework's performance, we analyze the correlation between node-pair similarity and evaluation metrics. The results reveal a strong and statistically significant correlation, underscoring the critical role of node-pair similarity in enhancing detection accuracy. Overall, our findings highlight the synergy between machine learning and statistical physics, demonstrating how machine learning techniques can enhance network analysis and uncover complex structural patterns. |
| title | Machine Learning Informed by Micro and Mesoscopic Statistical Physics Methods for Community Detection |
| topic | Social and Information Networks Adaptation and Self-Organizing Systems Physics and Society |
| url | https://arxiv.org/abs/2504.13538 |