Search Results for author: Claudio Gallicchio

Found 25 papers, 7 papers with code

Edge of stability echo state networks

no code implementations5 Aug 2023 Andrea Ceni, Claudio Gallicchio

With the goal of bringing together the fading memory property and the ability to retain as much memory as possible, in this paper we introduce a new ESN architecture, called the Edge of Stability Echo State Network (ES$^2$N).

Anti-Symmetric DGN: a stable architecture for Deep Graph Networks

1 code implementation18 Oct 2022 Alessio Gravina, Davide Bacciu, Claudio Gallicchio

Deep Graph Networks (DGNs) currently dominate the research landscape of learning from graphs, due to their efficiency and ability to implement an adaptive message-passing scheme between the nodes.

Continual Learning for Human State Monitoring

1 code implementation29 Jun 2022 Federico Matteoni, Andrea Cossu, Claudio Gallicchio, Vincenzo Lomonaco, Davide Bacciu

Continual Learning (CL) on time series data represents a promising but under-studied avenue for real-world applications.

Continual Learning Time Series +1

Federated Adaptation of Reservoirs via Intrinsic Plasticity

no code implementations25 May 2022 Valerio De Caro, Claudio Gallicchio, Davide Bacciu

We propose a novel algorithm for performing federated learning with Echo State Networks (ESNs) in a client-server scenario.

Federated Learning

Deep Features for CBIR with Scarce Data using Hebbian Learning

no code implementations18 May 2022 Gabriele Lagani, Davide Bacciu, Claudio Gallicchio, Fabrizio Falchi, Claudio Gennaro, Giuseppe Amato

Features extracted from Deep Neural Networks (DNNs) have proven to be very effective in the context of Content Based Image Retrieval (CBIR).

Content-Based Image Retrieval Retrieval +1

Euler State Networks: Non-dissipative Reservoir Computing

1 code implementation17 Mar 2022 Claudio Gallicchio

Inspired by the numerical solution of ordinary differential equations, in this paper we propose a novel Reservoir Computing (RC) model, called the Euler State Network (EuSN).

Memorization Time Series +2

AI-as-a-Service Toolkit for Human-Centered Intelligence in Autonomous Driving

no code implementations3 Feb 2022 Valerio De Caro, Saira Bano, Achilles Machumilane, Alberto Gotta, Pietro Cassará, Antonio Carta, Rudy Semola, Christos Sardianos, Christos Chronis, Iraklis Varlamis, Konstantinos Tserpes, Vincenzo Lomonaco, Claudio Gallicchio, Davide Bacciu

This paper presents a proof-of-concept implementation of the AI-as-a-Service toolkit developed within the H2020 TEACHING project and designed to implement an autonomous driving personalization system according to the output of an automatic driver's stress recognition algorithm, both of them realizing a Cyber-Physical System of Systems.

Autonomous Driving reinforcement-learning +1

Continual Learning with Echo State Networks

1 code implementation17 May 2021 Andrea Cossu, Davide Bacciu, Antonio Carta, Claudio Gallicchio, Vincenzo Lomonaco

Continual Learning (CL) refers to a learning setup where data is non stationary and the model has to learn without forgetting existing knowledge.

Continual Learning

Phase Transition Adaptation

1 code implementation20 Apr 2021 Claudio Gallicchio, Alessio Micheli, Luca Silvestri

Artificial Recurrent Neural Networks are a powerful information processing abstraction, and Reservoir Computing provides an efficient strategy to build robust implementations by projecting external inputs into high dimensional dynamical system trajectories.

Sparsity in Reservoir Computing Neural Networks

no code implementations4 Jun 2020 Claudio Gallicchio

Our results point out that sparsity, in particular in input-reservoir connections, has a major role in developing internal temporal representations that have a longer short-term memory of past inputs and a higher dimension.

Ring Reservoir Neural Networks for Graphs

no code implementations11 May 2020 Claudio Gallicchio, Alessio Micheli

Machine Learning for graphs is nowadays a research topic of consolidated relevance.

Graph Classification

Deep Randomized Neural Networks

no code implementations27 Feb 2020 Claudio Gallicchio, Simone Scardapane

For both, we focus specifically on recent results in the domain of deep randomized systems, and (for recurrent models) their application to structured domains.

Fast and Deep Graph Neural Networks

no code implementations20 Nov 2019 Claudio Gallicchio, Alessio Micheli

We address the efficiency issue for the construction of a deep graph neural network (GNN).

Reservoir Topology in Deep Echo State Networks

no code implementations24 Sep 2019 Claudio Gallicchio, Alessio Micheli

Deep Echo State Networks (DeepESNs) recently extended the applicability of Reservoir Computing (RC) methods towards the field of deep learning.

Embeddings and Representation Learning for Structured Data

no code implementations15 May 2019 Benjamin Paaßen, Claudio Gallicchio, Alessio Micheli, Alessandro Sperduti

Performing machine learning on structured data is complicated by the fact that such data does not have vectorial form.

BIG-bench Machine Learning Metric Learning +1

Richness of Deep Echo State Network Dynamics

no code implementations12 Mar 2019 Claudio Gallicchio, Alessio Micheli

Reservoir Computing (RC) is a popular methodology for the efficient design of Recurrent Neural Networks (RNNs).

Chasing the Echo State Property

no code implementations27 Nov 2018 Claudio Gallicchio

Reservoir Computing (RC) provides an efficient way for designing dynamical recurrent neural models.

Tree Edit Distance Learning via Adaptive Symbol Embeddings

no code implementations ICML 2018 Benjamin Paaßen, Claudio Gallicchio, Alessio Micheli, Barbara Hammer

Metric learning has the aim to improve classification accuracy by learning a distance measure which brings data points from the same class closer together and pushes data points from different classes further apart.

Metric Learning

Deep Echo State Networks for Diagnosis of Parkinson's Disease

no code implementations19 Feb 2018 Claudio Gallicchio, Alessio Micheli, Luca Pedrelli

In this paper, we introduce a novel approach for diagnosis of Parkinson's Disease (PD) based on deep Echo State Networks (ESNs).

Time Series Time Series Analysis

Short-term Memory of Deep RNN

no code implementations2 Feb 2018 Claudio Gallicchio

The extension of deep learning towards temporal data processing is gaining an increasing research interest.

Deep Echo State Network (DeepESN): A Brief Survey

4 code implementations12 Dec 2017 Claudio Gallicchio, Alessio Micheli

The study of deep recurrent neural networks (RNNs) and, in particular, of deep Reservoir Computing (RC) is gaining an increasing research attention in the neural networks community.

Hierarchical Temporal Representation in Linear Reservoir Computing

no code implementations16 May 2017 Claudio Gallicchio, Alessio Micheli, Luca Pedrelli

Recently, studies on deep Reservoir Computing (RC) highlighted the role of layering in deep recurrent neural networks (RNNs).

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