Search Results for author: L. Zdeborová

Found 4 papers, 0 papers with code

Asymptotic generalization error of a single-layer graph convolutional network

no code implementations6 Feb 2024 O. Duranthon, L. Zdeborová

While graph convolutional networks show great practical promises, the theoretical understanding of their generalization properties as a function of the number of samples is still in its infancy compared to the more broadly studied case of supervised fully connected neural networks.

Optimal Inference in Contextual Stochastic Block Models

no code implementations6 Jun 2023 O. Duranthon, L. Zdeborová

We show that there can be a considerable gap between the accuracy reached by this algorithm and the performance of the GNN architectures proposed in the literature.

Community Detection Node Classification +1

Neural-prior stochastic block model

no code implementations17 Mar 2023 O. Duranthon, L. Zdeborová

The stochastic block model (SBM) is widely studied as a benchmark for graph clustering aka community detection.

Community Detection Graph Clustering +1

Modelling the influence of data structure on learning in neural networks

no code implementations25 Sep 2019 S. Goldt, M. Mézard, F. Krzakala, L. Zdeborová

Our analysis reveals two phenomena related to the dynamics of the networks and their ability to generalise that only appear when training on structured data sets.

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