B. Aadil, A. Wakrime, L. Kzaz, and A. Sekkaki. 2016 International Conference on Electrical and Information Technologies (ICEIT), page 42-48. (May 2016)
Z. El Akkaoui, E. Zimànyi, J. Mazón, and J. Trujillo. Proceedings of the ACM 14th International Workshop on Data Warehousing and OLAP, page 45--52. New York, NY, USA, ACM, (2011)
I. Nogueira, M. Romdhane, and J. Darmont. Proceedings of the 22Nd International Database Engineering & Applications Symposium, page 253--261. New York, NY, USA, ACM, (2018)