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IEEE Access
Article . 2025 . Peer-reviewed
License: CC BY
Data sources: Crossref
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IEEE Access
Article . 2025
Data sources: DOAJ
https://doi.org/10.2139/ssrn.4...
Article . 2024 . Peer-reviewed
Data sources: Crossref
DBLP
Article . 2025
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Learnable Diffusion Distances for Link Prediction

Authors: Ahmed Begga; Miguel Angel Lozano; Francisco Escolano;

Learnable Diffusion Distances for Link Prediction

Abstract

In this paper, we address the problem of link prediction (LP) in Graph Neural Networks (GNNs) by learning approximated diffusion distances. Since diffusion distances have a spectral interpretation, we learn the smallest eigenvectors of the normalized Laplacian using the training edges. The resulting “empirical eigenfunctions” are reactive both to the Dirichlet loss that finds the eigenvectors and to the prediction loss. This allows us to chase the spectrum of the network in addition to provide competitive results in many LP benchmarks without precomputing subgraphs or subgraphs sketches (e.g., SEAL, WalkPooling, and ELPH/BUDDY). In addition, we provide a scalable approach for large graphs, where we do not rely on the matrix of diffusion distances.

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Keywords

neural network graphs, Electrical engineering. Electronics. Nuclear engineering, diffusion distances, Complex network, link prediction, TK1-9971

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold