An enhancement of task scheduling in cloud computing based on imperialist competitive algorithm and firefly algorithm. - Seyedeh Monireh Ggasemnezhad Kashikolaei; Ali Asghar Rahmani Hosseinabadi; Behzad Saemi; Morteza Babazadeh Shareh; Arun Kumar Sangaiah; Gui-Bin Bian (J. Supercomput., 2020)