Ho-momorphic encryptions Homomorphic-encryptions 4 Privacy 3 Privacy-preserving techniques 3 homomorphic encryption 3 privacy 3 Activity monitoring 2 Cryptography 2 Differential privacies 2 Driver activity monitoring 2 Federated learning 2 Homomorphic encryption 2 Learning frameworks 2 Open-source 2 Open-source federated learning framework 2 Privacy preserving 2 Privacy protection 2 Secure multi-party computation 2 Smartphones 2 differential privacy 2 driver activity monitoring 2 federated learning 2 open-source federated learning frameworks 2 secure multi-party computations 2 'current 1 Big data 1 Biomedical Research 1 Clustering algorithms 1 Complexity theory 1 Computer Security 1