Search Results for author: Clement Vignac

Found 5 papers, 5 papers with code

Sparse Training of Discrete Diffusion Models for Graph Generation

1 code implementation3 Nov 2023 Yiming Qin, Clement Vignac, Pascal Frossard

Generative graph models struggle to scale due to the need to predict the existence or type of edges between all node pairs.

Denoising Graph Generation

MiDi: Mixed Graph and 3D Denoising Diffusion for Molecule Generation

1 code implementation17 Feb 2023 Clement Vignac, Nagham Osman, Laura Toni, Pascal Frossard

This work introduces MiDi, a novel diffusion model for jointly generating molecular graphs and their corresponding 3D arrangement of atoms.

Denoising

DiGress: Discrete Denoising diffusion for graph generation

2 code implementations29 Sep 2022 Clement Vignac, Igor Krawczuk, Antoine Siraudin, Bohan Wang, Volkan Cevher, Pascal Frossard

This work introduces DiGress, a discrete denoising diffusion model for generating graphs with categorical node and edge attributes.

Denoising Edge Classification +1

Top-N: Equivariant set and graph generation without exchangeability

1 code implementation ICLR 2022 Clement Vignac, Pascal Frossard

This work addresses one-shot set and graph generation, and, more specifically, the parametrization of probabilistic decoders that map a vector-shaped prior to a distribution over sets or graphs.

Drug Discovery Generative Adversarial Network +4

Building powerful and equivariant graph neural networks with structural message-passing

1 code implementation NeurIPS 2020 Clement Vignac, Andreas Loukas, Pascal Frossard

We address this problem and propose a powerful and equivariant message-passing framework based on two ideas: first, we propagate a one-hot encoding of the nodes, in addition to the features, in order to learn a local context matrix around each node.

Graph Regression Inductive Bias

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