Amine Rahmani received a licence degree in computer Science from the Computer Science department of Dr. Tahar Moulay University of Saida-Algeria, received the Master diploma in Network, System and Security Informatics from Djillali Liabes University. Now Amine RAHMANI is a phd student in Web and Knowledge Engineering in Dr. Tahar Moulay University. His research interests include Big Data, Privacy Preserving, Informatics Security, Data Mining, Cloud Computing, Big Data analytics, Access Control, and Cryptography.