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Vicinal Vertex Allocation for Matrix Factorization in Networks
DOI:10.1109/TCYB.2021.3051606.png)
摘要
En 中文
In this article, we present a novel matrix-factorization-based model, labeled here as Vicinal vertex allocated matrix factorization (VVAMo), for uncovering clusters in network data. Different from the past related efforts of network clustering, which consider the edge structure, vertex features, or both in their design, the proposed model includes the additional detail on vertex inclinations with respect to topology and features into the learning. In particular, by taking the latent preferences between vicinal vertices into consideration, VVAMo is then able to uncover network clusters composed of proximal vertices that share analogous inclinations, and correspondingly high structural and feature correlations. To ensure such clusters are effectively uncovered, we propose a unified likelihood function for VVAMo and derive an alternating algorithm for optimizing the proposed function. Subsequently, we provide the theoretical analysis of VVAMo, including the convergence proof and computational complexity analysis. To investigate the effectiveness of the proposed model, a comprehensive empirical study of VVAMo is conducted using extensive commonly used realistic network datasets. The results obtained show that VVAMo attained superior performances over existing classical and state-of-the-art approaches.
Keyword:
Computational modeling
Correlation
Data models
Task analysis
Probabilistic logic
Network topology
Adaptation models
Community detection
complex network
graph clustering
network clustering
probabilistic matrix factorization
vicinal vertex-allocated matrix factorization (VVAMo)
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期刊
IF:
10.5
论文数:
1.1W
被引数:
5.0W
机构
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