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Scalable Graph Classification via Random Walk Fingerprints (Extended Abstract)

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Proceedings of the Thirty-Fourth International Joint Conference on Artificial Intelligence. Sister Conferences Best Papers. Pages 10912-10915.

https://doi.org/10.24963/ijcai.2025/1215

Abstract

We design a lightweight structural feature extraction technique for graph classification. It leverages node subsets and connection strength reflected by random-walk-based heuristics, presenting a scalable, unsupervised, and easily interpretable alternative. We provide theoretical insights into our technical design and establish a relation between the extracted structural features and the graph spectrum. We show our method achieves high levels of computational efficiency while maintaining robust classification accuracy.

Peiyan Li, Honglian Wang, and Christian Böhm. 2025. Scalable Graph Classification via Random Walk Fingerprints (Extended Abstract). In Proceedings of the Thirty-Fourth International Joint Conference on Artificial Intelligence, IJCAI-25. IJCAI, 10912–10915. https://doi.org/10.24963/ijcai.2025/1215
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