Search Results for author: Lorenzo Valerio

Found 13 papers, 2 papers with code

Initialisation and Topology Effects in Decentralised Federated Learning

1 code implementation23 Mar 2024 Arash Badie-Modiri, Chiara Boldrini, Lorenzo Valerio, János Kertész, Márton Karsai

Fully decentralised federated learning enables collaborative training of individual machine learning models on distributed devices on a network while keeping the training data localised.

Federated Learning

Impact of network topology on the performance of Decentralized Federated Learning

no code implementations28 Feb 2024 Luigi Palmieri, Chiara Boldrini, Lorenzo Valerio, Andrea Passarella, Marco Conti

We highlight the challenges in transferring knowledge from peripheral to central nodes, attributed to a dilution effect during model aggregation.

Clustering Federated Learning

Coordination-free Decentralised Federated Learning on Complex Networks: Overcoming Heterogeneity

no code implementations7 Dec 2023 Lorenzo Valerio, Chiara Boldrini, Andrea Passarella, János Kertész, Márton Karsai, Gerardo Iñiguez

Federated Learning (FL) is a well-known framework for successfully performing a learning task in an edge computing scenario where the devices involved have limited resources and incomplete data representation.

Edge-computing Federated Learning

The effect of network topologies on fully decentralized learning: a preliminary investigation

no code implementations29 Jul 2023 Luigi Palmieri, Lorenzo Valerio, Chiara Boldrini, Andrea Passarella

Specifically, we highlight the different roles in this process of more or less connected nodes (hubs and leaves), as well as that of macroscopic network properties (primarily, degree distribution and modularity).

Anomaly Detection through Unsupervised Federated Learning

1 code implementation9 Sep 2022 Mirko Nardi, Lorenzo Valerio, Andrea Passarella

Experiments show that our method is robust, and it can detect communities consistent with the ideal partitioning in which groups of clients having the same inlier patterns are known.

Anomaly Detection Federated Learning

Federated Semi-Supervised Classification of Multimedia Flows for 3D Networks

no code implementations1 May 2022 Saira Bano, Achilles Machumilane, Lorenzo Valerio, Pietro Cassarà, Alberto Gotta

The federated gateways of 3D network help to enhance the global knowledge of network traffic to improve the accuracy of anomaly and intrusion detection and service identification of a new traffic flow.

Anomaly Detection feature selection +3

Cellular traffic offloading via Opportunistic Networking with Reinforcement Learning

no code implementations1 Oct 2021 Lorenzo Valerio, Raffaele Bruno, Andrea Passarella

We show that our system based on Reinforcement Learning is able to automatically learn a very efficient strategy to reduce the traffic on the cellular network, without relying on any additional context information about the opportunistic network.

Q-Learning reinforcement-learning +1

A communication efficient distributed learning framework for smart environments

no code implementations27 Sep 2021 Lorenzo Valerio, Andrea Passarella, Marco Conti

In the specific case analysed in the paper, we focus on a learning task, considering two distributed learning algorithms.

Activity Recognition

Energy efficient distributed analytics at the edge of the network for IoT environments

no code implementations23 Sep 2021 Lorenzo Valerio, Marco Conti, Andrea Passarella

We analyse the performance of different configurations of the distributed learning framework, in terms of (i) accuracy obtained in the learning task and (ii) energy spent to send data between the involved nodes.

Transfer Learning

Federated Feature Selection for Cyber-Physical Systems of Systems

no code implementations IEEE Transactions on Vehicular Technology 2022 Pietro Cassarà, Alberto Gotta, Lorenzo Valerio

In this work, we address such a problem by proposing a federated feature selection algorithm where all the AVs collaborate to filter out, iteratively, the redundant or irrelevant attributes in a distributed manner, without any exchange of raw data.

Autonomous Vehicles feature selection

Optimising cost vs accuracy of decentralised analytics in fog computing environments

no code implementations9 Dec 2020 Lorenzo Valerio, Andrea Passarella, Marco Conti

Decentralising AI tasks on several cooperative devices means identifying the optimal set of locations or Collection Points (CP for short) to use, in the continuum between full centralisation (i. e., all data on a single device) and full decentralisation (i. e., data on source locations).

Dynamic Hard Pruning of Neural Networks at the Edge of the Internet

no code implementations17 Nov 2020 Lorenzo Valerio, Franco Maria Nardini, Andrea Passarella, Raffaele Perego

Results show that DynHP compresses a NN up to $10$ times without significant performance drops (up to $3. 5\%$ additional error w. r. t.

Edge-computing

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