TY - Front. Comput. Sci. A1 - Meysam VAKILI, Neda JAHANGIRI, Mohsen SHARIFI T1 - Cloud service selection using cloud service brokers: approaches and challenges Y1 - 2019-06-15 JF - Frontiers of Computer Science JO - Front. Comput. Sci. SP - 599 EP - 617 VL - 13 IS - 3 UR - https://journal.hep.com.cn/fcs N1 - 10.1007/s11704-017-6124-7 ER -