no code implementations • 23 Aug 2023 • Alvise De Biasio, Nicolò Navarin, Dietmar Jannach
In this work, we survey the existing literature on what we call Economic Recommender Systems based on a systematic review approach that helped us identify 133 relevant papers.
1 code implementation • 19 May 2023 • Davide Rigoni, Nicolò Navarin, Alessandro Sperduti
Identifying molecules that exhibit some pre-specified properties is a difficult problem to solve.
no code implementations • 26 Jul 2022 • Riccardo Galanti, Massimiliano de Leoni, Merylin Monaro, Nicolò Navarin, Alan Marazzi, Brigida Di Stasi, Stéphanie Maldera
However, process stakeholders need to be provided with an explanation of the reasons why a given process execution is predicted to behave in a certain way.
no code implementations • 5 Mar 2022 • Riccardo Galanti, Massimiliano de Leoni, Nicolò Navarin, Alan Marazzi
The results are compared with a naive approach that overlooks the object interactions, thus illustrating the benefits of their use on the prediction quality.
no code implementations • 10 Jun 2021 • Luca Pasa, Nicolò Navarin, Wolfgang Erb, Alessandro Sperduti
Many neural networks for graphs are based on the graph convolution operator, proposed more than a decade ago.
no code implementations • 1 Jan 2021 • Luca Pasa, Nicolò Navarin, Alessandro Sperduti
In this paper, we propose a different strategy, considering a single graph convolution layer that independently exploits neighbouring nodes at different topological distances, generating decoupled representations for each of them.
1 code implementation • 1 Sep 2020 • Davide Rigoni, Nicolò Navarin, Alessandro Sperduti
In recent years, deep generative models for graphs have been used to generate new molecules.
1 code implementation • 20 Aug 2020 • Davide Rigoni, Nicolò Navarin, Alessandro Sperduti
In recent years the scientific community has devoted much effort in the development of deep learning models for the generation of new molecules with desirable properties (i. e. drugs).
1 code implementation • 4 Aug 2020 • Riccardo Galanti, Bernat Coma-Puig, Massimiliano de Leoni, Josep Carmona, Nicolò Navarin
Predictive Business Process Monitoring is becoming an essential aid for organizations, providing online operational support of their processes.
1 code implementation • 23 Nov 2018 • Dinh Van Tran, Nicolò Navarin, Alessandro Sperduti
Recently, many researchers have been focusing on the definition of neural networks for graphs.
no code implementations • 16 Nov 2018 • Nicolò Navarin, Dinh V. Tran, Alessandro Sperduti
Many machine learning techniques have been proposed in the last few years to process data represented in graph-structured form.
1 code implementation • 10 Nov 2017 • Nicolò Navarin, Beatrice Vincenzi, Mirko Polato, Alessandro Sperduti
Predicting the completion time of business process instances would be a very helpful aid when managing processes under service level agreement constraints.
no code implementations • 22 Sep 2015 • Giovanni Da San Martino, Nicolò Navarin, Alessandro Sperduti
In this paper we present a novel graph kernel framework inspired the by the Weisfeiler-Lehman (WL) isomorphism tests.
no code implementations • 3 Sep 2015 • Giovanni Da San Martino, Nicolò Navarin, Alessandro Sperduti
While existing kernel methods are effective techniques for dealing with graphs having discrete node labels, their adaptation to non-discrete or continuous node attributes has been limited, mainly for computational issues.
no code implementations • 13 Jul 2015 • Giovanni Da San Martino, Nicolò Navarin, Alessandro Sperduti
In this paper, we show how the Ordered Decomposition DAGs (ODD) kernel framework, a framework that allows the definition of graph kernels from tree kernels, allows to easily define new state-of-the-art graph kernels.
no code implementations • 8 Jul 2015 • Giovanni Da San Martino, Nicolò Navarin, Alessandro Sperduti
It turns out that, when strict memory budget constraints have to be enforced, working in feature space, given the current state of the art on graph kernels, is more than a viable alternative to dual approaches, both in terms of speed and classification performance.
no code implementations • 8 Jul 2015 • Nicolò Navarin, Alessandro Sperduti, Riccardo Tesselli
Different kernels consider different types of substructures.