Federico Errica
Federico Errica
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Tractable Probabilistic Graph Representation Learning with Graph-Induced Sum-Product Networks
We propose a probabilistic model that bridges graph machine learning and sum-product networks to tractably answer probabilistic queries. Our Graph-induced Sum-Product Network can solve unsupervised and supervised graph tasks and it is especially effective in modeling the missing data distribution as well as exploiting unlabeled data in a scarce supervision scenario.
Federico Errica
,
Mathias Niepert
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On Class Distributions Induced by Nearest Neighbor Graphs for Node Classification of Tabular Data
In this paper I try to address the following question: “Is it really worth to build a k-Nearest Neighbor graph from tabular data and then apply deep graph nets on top of it to classify each sample in the table?
Federico Errica
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Hidden Markov Models for Temporal Graph Representation Learning
Who said HMMs cannot be adapted for graph-structured data? In this work, we extend CGMM to the temporal domain, and we report performances close to other popular neural models with a probabilistic graph embedding model!
Federico Errica
,
Alessio Gravina
,
Davide Bacciu
,
Alessio Micheli
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DOI
Investigating the Interplay between Features and Structures in Graph Learning
We investigate the quality of quantitative measures that assess the utility of a graph structure for node classification tasks.
Daniele Castellana
,
Federico Errica
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The Infinite Contextual Graph Markov Model
Combining Deep Graph Networks with Bayesian nonparametric techniques to unsupervised learning of node/graph representations while automatizing the choice of the hyper-parameters during training.
Daniele Castellana
,
Federico Errica
,
Davide Bacciu
,
Alessio Micheli
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Robust Malware Classification via Deep Graph Networks on Call Graph Topologies
Federico Errica
,
Giacomo Iadarola
,
Fabio Martinelli
,
Francesco Mercaldo
,
Alessio Micheli
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Graph Mixture Density Networks
Combining Deep Graph Networks with Mixture Density Networks to model multimodal output distributions conditioned on arbitrary input graphs.
Federico Errica
,
Davide Bacciu
,
Alessio Micheli
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Concept Matching for Low-Resource Classification
Federico Errica
,
Fabrizio Silvestri
,
Bora Edizel
,
Ludovic Denoyer
,
Fabio Petroni
,
Vassilis Plachouras
,
Sebastian Riedel
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DOI
Modeling Edge Features with Deep Bayesian Graph Networks
Daniele Atzeni
,
Davide Bacciu
,
Federico Errica
,
Alessio Micheli
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DOI
Theoretically Expressive and Edge-aware Graph Learning
Federico Errica
,
Davide Bacciu
,
Alessio Micheli
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