Federated learning Privacy-preserving techniques 8 Learning systems 4 Differential privacies 3 Privacy 3 Privacy preserving 3 Secure multi-party computation 3 federated learning 3 privacy 3 Activity monitoring 2 Communication cost 2 Data privacy 2 Driver activity monitoring 2 Ho-momorphic encryptions 2 Homomorphic-encryptions 2 Learning frameworks 2 Open-source 2 Open-source federated learning framework 2 Smartphones 2 User devices 2 differential privacy 2 driver activity monitoring 2 homomorphic encryption 2 open-source federated learning frameworks 2 secure multi-party computations 2 3D printers 1 Additives 1 Adversarial server 1 Aggregates 1 Artificial intelligence 1