Search Results for author: Alessio Gravina

Found 4 papers, 3 papers with code

Tackling Graph Oversquashing by Global and Local Non-Dissipativity

no code implementations2 May 2024 Alessio Gravina, Moshe Eliasof, Claudio Gallicchio, Davide Bacciu, Carola-Bibiane Schönlieb

A common problem in Message-Passing Neural Networks is oversquashing -- the limited ability to facilitate effective information flow between distant nodes.

Temporal Graph ODEs for Irregularly-Sampled Time Series

1 code implementation30 Apr 2024 Alessio Gravina, Daniele Zambon, Davide Bacciu, Cesare Alippi

Modern graph representation learning works mostly under the assumption of dealing with regularly sampled temporal graph snapshots, which is far from realistic, e. g., social networks and physical systems are characterized by continuous dynamics and sporadic observations.

Graph Representation Learning Time Series

Deep learning for dynamic graphs: models and benchmarks

1 code implementation12 Jul 2023 Alessio Gravina, Davide Bacciu

Recent progress in research on Deep Graph Networks (DGNs) has led to a maturation of the domain of learning on graphs.

Model Selection Representation Learning

Anti-Symmetric DGN: a stable architecture for Deep Graph Networks

1 code implementation18 Oct 2022 Alessio Gravina, Davide Bacciu, Claudio Gallicchio

Deep Graph Networks (DGNs) currently dominate the research landscape of learning from graphs, due to their efficiency and ability to implement an adaptive message-passing scheme between the nodes.

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