Data privacy 34 Privacy 8 data privacy 7 Internet of things 6 Big data 5 Block-chain 5 Blockchain 5 Computer science 5 Privacy protection 5 Article 4 Artificial intelligence 4 Cloud computing 4 Cryptography 4 Digital storage 4 Federated learning 4 Information management 4 Learning systems 4 Privacy-preserving techniques 4 adult 4 human 4 privacy 4 Data mining 3 Data protection 3 Data transfer 3 Digital and information technologies: social and ethical aspects 3 Distributed ledger 3 Ethics and moral philosophy 3 Information systems 3 IoT 3 Mobile applications 3