Author

Raúl Mondragón

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Preprint Aug 2026

Scalable dynamic community detection on temporal graphs using graph neural networks

This work formulate dynamic community detection over observed node-time instances, where each node-time instance in the temporal interaction stream is assigned a cluster label and proposes a diffusion-guided contrastive learning framework that uses a local temporal diffusion affinity matrix to construct positive and ne...

Pei-Jie Zhong, Raul J. Mondragón, Richard G. Clegg · 0 citations

Jul 2026

A model for generating temporal networks with dynamic community structure guided by mutual information

A generative model for temporal networks that jointly controls community evolution and dynamic node sets and is used as a benchmark to study the impact of the rate at which nodes join/leave the network on the performance of dynamic community detection algorithms.

Pei-Jie Zhong, Raul J. Mondragón, Richard G. Clegg · arXiv.org · 0 citations