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Stefano Fiorini

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#machine learning Preprint Oct 2026

PANDA: Prior-guided Attentional Dual-path Architecture

Hypergraph Neural Networks (HNNs), designed to model higher-order relations beyond pairwise interactions, typically rely either on fixed structural weights or on normalised attention. Fixed weights can propagate misleading information in heterophilic settings, while normalisation makes attention coefficients competitiv...

Rishabh Jain, Federico Belotti, Stefano Coniglio et al. · 0 citations
Preprint Aug 2026

Benchmarking Sheaf Neural Networks for Inductive Tasks

This work addresses the first systematic benchmark of the sheaf design space through evaluating three diffusion mechanisms (neural sheaf diffusion, sheaf attention, and sheaf attention with Graph Attention Network v2), three restriction-map parameterizations, three stalk dimensions, and six modern GNN architectural com...

Stefano Fiorini, Edoardo Coppola, Pietro Liò · 0 citations

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