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  4. HeNCler: Node Clustering in Heterophilous Graphs via Learned Asymmetric Similarity
 
conference paper

HeNCler: Node Clustering in Heterophilous Graphs via Learned Asymmetric Similarity

Achten, Sonny
•
Op de Beeck, Zander
•
Tonin, Francesco  
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Senn, Walter
•
Sanguineti, Marcello
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2026
Artificial Neural Networks and Machine Learning. ICANN 2025 International Workshops and Special Sessions. 34th International Conference on Artificial Neural Networks, Kaunas, Lithuania, September 9–12, 2025, Proceedings, Part V
34th International Conference on Artificial Neural Networks

Clustering nodes in heterophilous graphs is challenging as traditional methods assume that effective clustering is characterized by high intra-cluster and low inter-cluster connectivity. To address this, we introduce HeNCler—a novel approach for Heterophilous Node Clustering. HeNCler learns a similarity graph by optimizing a clustering-specific objective based on weighted kernel singular value decomposition Our approach enables spectral clustering on an asymmetric similarity graph, providing flexibility for both directed and undirected graphs. By solving the primal problem directly, our method overcomes the computational difficulties of traditional adjacency partitioning-based approaches. Experimental results show that HeNCler significantly improves node clustering performance in heterophilous graph settings, highlighting the advantage of its asymmetric graph-learning framework.

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Type
conference paper
DOI
10.1007/978-3-032-04552-2_8
Scopus ID

2-s2.0-105018307873

Author(s)
Achten, Sonny

KU Leuven

Op de Beeck, Zander

KU Leuven

Tonin, Francesco  

École Polytechnique Fédérale de Lausanne

Cevher, Volkan  orcid-logo

École Polytechnique Fédérale de Lausanne

Suykens, Johan A.K.

KU Leuven

Editors
Senn, Walter
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Sanguineti, Marcello
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Saudargiene, Ausra
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Tetko, Igor V.
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Villa, Alessandro E. P.
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Jirsa, Viktor
•
Bengio, Yoshua
Date Issued

2026

Publisher

Springer Science and Business Media Deutschland GmbH

Published in
Artificial Neural Networks and Machine Learning. ICANN 2025 International Workshops and Special Sessions. 34th International Conference on Artificial Neural Networks, Kaunas, Lithuania, September 9–12, 2025, Proceedings, Part V
DOI of the book
https://doi.org/10.1007/978-3-032-04552-2
ISBN of the book

978-3-032-04551-5

978-3-032-04552-2

Series title/Series vol.

Lecture Notes in Computer Science; 16072 LNCS

ISSN (of the series)

1611-3349

0302-9743

Start page

55

End page

68

Subjects

Clustering

•

Heterophily

•

Kernel SVD

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LIONS  
Event nameEvent acronymEvent placeEvent date
34th International Conference on Artificial Neural Networks

Kaunas, Lithuania

2025-09-09 - 2025-09-12

FunderFunding(s)Grant NumberGrant URL

Hasler Foundation

Flemish Government

European Union’s Horizon 2020 research and innovation program

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Available on Infoscience
October 20, 2025
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/255098
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