Search Results for author: Francesco Della Santa

Found 5 papers, 3 papers with code

Edge-Wise Graph-Instructed Neural Networks

no code implementations12 Sep 2024 Francesco Della Santa, Antonio Mastropietro, Sandra Pieraccini, Francesco Vaccarino

The problem of multi-task regression over graph nodes has been recently approached through Graph-Instructed Neural Network (GINN), which is a promising architecture belonging to the subset of message-passing graph neural networks.

GradINN: Gradient Informed Neural Network

no code implementations3 Sep 2024 Filippo Aglietti, Francesco Della Santa, Andrea Piano, Virginia Aglietti

We propose Gradient Informed Neural Networks (GradINNs), a methodology inspired by Physics Informed Neural Networks (PINNs) that can be used to efficiently approximate a wide range of physical systems for which the underlying governing equations are completely unknown or cannot be defined, a condition that is often met in complex engineering problems.

Sparse Implementation of Versatile Graph-Informed Layers

1 code implementation20 Mar 2024 Francesco Della Santa

Recently, Graph-Informed (GI) layers were introduced to address regression tasks on graph nodes, extending their applicability beyond classic GNNs.

Computational Efficiency

Graph-Informed Neural Networks for Sparse Grid-Based Discontinuity Detectors

2 code implementations24 Jan 2024 Francesco Della Santa, Sandra Pieraccini

In this paper, we present a novel approach for detecting the discontinuity interfaces of a discontinuous function.

Alternate Training of Shared and Task-Specific Parameters for Multi-Task Neural Networks

1 code implementation26 Dec 2023 Stefania Bellavia, Francesco Della Santa, Alessandra Papini

The proposed alternate training method updates shared and task-specific weights alternately, exploiting the multi-head architecture of the model.

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