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Author

Samuel Cognolato

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#machine learning Preprint Oct 2026

Logic-Guided Graph Denoising Diffusion Models

Graph diffusion models are competitive approaches for generating complex graph-structured data. However, when such distributions have strict structural constraints, diffusion models may fail to capture them exactly, resulting in the generation of invalid graphs. In this paper, we propose a method for grounding graph di...

Samuel Cognolato, Luciano Serafini, Alessandro Sperduti et al. · 0 citations
#machine learning Preprint Aug 2026

Generation of High-Level Concepts in 3D Scene Graphs via Autoregressive Diffusion

This work proposes a unified autoregressive diffusion-based graph generative model that jointly learns structure and features, constructing complete 3DSGs bottom-up from observed vertical planes across arbitrary hierarchy depths, and proposes an adaptation of the Fused Gromov--Wasserstein distance for principled graph-...

J. A. Millan-Romera, Samuel Cognolato, Holger Voos et al. · 0 citations

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