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author:

Yao, H.-Y. (Yao, H.-Y..) [1] | Zhang, C.-Y. (Zhang, C.-Y..) [2] | Yao, Z.-L. (Yao, Z.-L..) [3] | Chen, C.L.P. (Chen, C.L.P..) [4] | Hu, J. (Hu, J..) [5]

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Abstract:

Graph representation learning has recently garnered significant attention due to its wide applications in graph analysis tasks. It is well-known that real-world networks are dynamic, with edges and nodes evolving over time. This presents unique challenges that are distinct from those of static networks. However, most graph representation learning methods are either designed for static graphs, or address only partial challenges associated with dynamic graphs. They overlook the intricate interplay between topology and temporality in the evolution of dynamic graphs and the complexity of sequence modeling. Therefore, we propose a new dynamic graph representation learning model, called as R-GraphSAGE, which takes comprehensive considerations for embedding dynamic graphs. By incorporating a recurrent structure into GraphSAGE, the proposed R-GraphSAGE explores structural and temporal patterns integrally to capture more fine-grained evolving patterns of dynamic graphs. Additionally, it offers a lightweight architecture to decrease the computational costs for handling snapshot sequences, achieving a balance between performance and complexity. Moreover, it can inductively process the addition of new nodes and adapt to the situations without labels and node attributes. The performance of the proposed R-GraphSAGE is evaluated across various downstream tasks with both synthetic and real-world networks. The experimental results demonstrate that it outperforms state-of-the-art baselines by a significant margin in most cases. © 2024 Elsevier Ltd

Keyword:

Dynamic networks Graph representation learning Inductive learning Recurrent graph neural networks Unsupervised learning

Community:

  • [ 1 ] [Yao H.-Y.]College of Computer and Data Science, Fuzhou University, Fuzhou, China
  • [ 2 ] [Zhang C.-Y.]College of Computer and Data Science, Fuzhou University, Fuzhou, China
  • [ 3 ] [Yao Z.-L.]College of Computer and Data Science, Fuzhou University, Fuzhou, China
  • [ 4 ] [Chen C.L.P.]School of Computer Science and Engineering, South China University of Technology, Guangzhou, China
  • [ 5 ] [Hu J.]College of Computer and Data Science, Fuzhou University, Fuzhou, China

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Source :

Pattern Recognition

ISSN: 0031-3203

Year: 2024

Volume: 154

7 . 5 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 1

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