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Iulia Duta

5 accepted papers

2026

Sheaves Reloaded: A Direction Awakening

ICLR 2026poster

Sheaf Neural Networks (SNNs) are a powerful algebraic-topology generalization of Graph Neural Networks (GNNs), and have been shown to significantly improve our ability to model complex relational data. While the GNN literature proved that incorporating directionality can substantially boost performa…

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2021

Discovering Dynamic Salient Regions for Spatio-Temporal Graph Neural Networks

NeurIPS 2021poster

Graph Neural Networks are perfectly suited to capture latent interactions between various entities in the spatio-temporal domain (e.g. videos). However, when an explicit structure is not available, it is not obvious what atomic elements should be represented as nodes. Current works generally use pre…