Privacy Security 4 privacy 4 Federated learning 3 Privacy-preserving techniques 3 Activity monitoring 2 Computer Security 2 Confidentiality 2 Differential privacies 2 Driver activity monitoring 2 Ho-momorphic encryptions 2 Homomorphic-encryptions 2 Humans 2 Learning frameworks 2 Open-source 2 Open-source federated learning framework 2 STP 2 Secure multi-party computation 2 Smartphones 2 Trust 2 computer security 2 differential privacy 2 driver activity monitoring 2 federated learning 2 homomorphic encryption 2 human 2 open-source federated learning frameworks 2 secure multi-party computations 2 AMT 1 Algorithms 1