1 code implementation • 27 Dec 2023 • Federico Errica, Henrik Christiansen, Viktor Zaverkin, Takashi Maruyama, Mathias Niepert, Francesco Alesiani
Long-range interactions are essential for the correct description of complex systems in many scientific fields.
no code implementations • 3 Dec 2023 • Viktor Zaverkin, David Holzmüller, Henrik Christiansen, Federico Errica, Francesco Alesiani, Makoto Takamoto, Mathias Niepert, Johannes Kästner
Existing biased and unbiased MD simulations, however, are prone to miss either rare events or extrapolative regions -- areas of the configurational space where unreliable predictions are made.
no code implementations • 24 Sep 2023 • Henrik Christiansen, Federico Errica, Francesco Alesiani
In the case of alanine dipeptide, by tuning the only free parameter of our loss definition, we find a good correspondence between it and the autocorrelation times, resulting in a $>100$ fold speed up in optimization of simulation parameters compared to a grid-search.
1 code implementation • 18 Aug 2023 • Daniele Castellana, Federico Errica
Our findings reveal that previously defined metrics are not adequate when we relax the above assumption.
1 code implementation • 17 Aug 2023 • Daniele Atzeni, Federico Errica, Davide Bacciu, Alessio Micheli
We propose an extension of the Contextual Graph Markov Model, a deep and probabilistic machine learning model for graphs, to model the distribution of edge features.
2 code implementations • 17 May 2023 • Federico Errica, Mathias Niepert
We introduce Graph-Induced Sum-Product Networks (GSPNs), a new probabilistic framework for graph representation learning that can tractably answer probabilistic queries.
no code implementations • 24 Feb 2022 • Federico Errica
In this thesis, we take a different route and develop a Bayesian Deep Learning framework for graph learning.
no code implementations • 29 Sep 2021 • Daniele Castellana, Federico Errica, Davide Bacciu, Alessio Micheli
The Contextual Graph Markov Model is a deep, unsupervised, and probabilistic model for graphs that is trained incrementally on a layer-by-layer basis.
1 code implementation • 22 Mar 2021 • Antonio Carta, Andrea Cossu, Federico Errica, Davide Bacciu
In this work, we study the phenomenon of catastrophic forgetting in the graph representation learning scenario.
1 code implementation • 5 Dec 2020 • Federico Errica, Davide Bacciu, Alessio Micheli
We introduce the Graph Mixture Density Networks, a new family of machine learning models that can fit multimodal output distributions conditioned on graphs of arbitrary topology.
no code implementations • 14 Jul 2020 • Federico Errica, Marco Giulini, Davide Bacciu, Roberto Menichetti, Alessio Micheli, Raffaello Potestio
The method relies on deep graph networks, which provide extreme flexibility in the input format.
1 code implementation • 1 Jun 2020 • Federico Errica, Ludovic Denoyer, Bora Edizel, Fabio Petroni, Vassilis Plachouras, Fabrizio Silvestri, Sebastian Riedel
We propose a model to tackle classification tasks in the presence of very little training data.
no code implementations • 24 Jan 2020 • Federico Errica, Davide Bacciu, Alessio Micheli
We propose a new Graph Neural Network that combines recent advancements in the field.
2 code implementations • 29 Dec 2019 • Davide Bacciu, Federico Errica, Alessio Micheli, Marco Podda
The adaptive processing of graph data is a long-standing research topic which has been lately consolidated as a theme of major interest in the deep learning community.
4 code implementations • ICLR 2020 • Federico Errica, Marco Podda, Davide Bacciu, Alessio Micheli
We believe that this work can contribute to the development of the graph learning field, by providing a much needed grounding for rigorous evaluations of graph classification models.
Ranked #1 on Graph Classification on REDDIT-MULTI-5k
no code implementations • 25 Sep 2019 • Federico Errica, Fabrizio Silvestri, Bora Edizel, Sebastian Riedel, Ludovic Denoyer, Vassilis Plachouras
We propose a model to tackle classification tasks in the presence of very little training data.
1 code implementation • ICML 2018 • Davide Bacciu, Federico Errica, Alessio Micheli
We introduce the Contextual Graph Markov Model, an approach combining ideas from generative models and neural networks for the processing of graph data.
no code implementations • SEMEVAL 2017 • Giuseppe Attardi, Antonio Carta, Federico Errica, Andrea Madotto, Ludovica Pannitto
In this paper we present ThReeNN, a model for Community Question Answering, Task 3, of SemEval-2017.