1 code implementation • 1 Feb 2024 • Joana Tirana, Dimitra Tsigkari, George Iosifidis, Dimitris Chatzopoulos
We propose a solution method based on the decomposition of the problem by leveraging its inherent symmetry, and a second one that is fully scalable.
1 code implementation • 31 Jan 2024 • Joana Tirana, Spyros Lalis, Dimitris Chatzopoulos
Moreover, the task of training ML models with a vast number of parameters demands computing and memory resources beyond the capabilities of small devices, such as mobile and Internet of Things (IoT) devices.
no code implementations • 28 Jun 2023 • Mattia Giovanni Campana, Dimitris Chatzopoulos, Franca Delmastro, Pan Hui
The framework has been used by 3 voluntary users for two weeks, generating a dataset with more than 36K samples and 1331 features.
1 code implementation • 6 Jan 2021 • Christodoulos Pappas, Dimitris Chatzopoulos, Spyros Lalis, Manolis Vavalis
The proliferation of resourceful mobile devices that store rich, multidimensional and privacy-sensitive user data motivate the design of federated learning (FL), a machine-learning (ML) paradigm that enables mobile devices to produce an ML model without sharing their data.
1 code implementation • 9 Nov 2020 • Kamalesh Palanisamy, Vivek Khimani, Moin Hussain Moti, Dimitris Chatzopoulos
In this work, we highlight the theoretical and technical challenges that need to be resolved to develop a functional framework that trains ML models in mobile devices without transferring raw data to a server.
no code implementations • 10 Jun 2019 • Moin Hussain Moti, Dimitris Chatzopoulos, Pan Hui, Sujit Gujar
FaRM uses \textit{(i)} a \emph{report strength score} to remove the risk of random pairing with dishonest reporters, \textit{(ii)} a \emph{consistency score} to measure an agent's history of accurate reports and distinguish valuable reports, \textit{(iii)} a \emph{reliability score} to estimate the probability of an agent to collude with nearby agents and prevents agents from getting swayed, and \textit{(iv)} a \emph{location robustness score} to filter agents who try to participate without being present in the considered setting.