Exact and heuristic approaches to solve the Internet shopping optimization problem with delivery costs
Lopez-Loces, Mario C., Musial, Jedrzej, Pecero, Johnatan E., Fraire-Huacuja, Hector J., Blazewicz, Jacek, Bouvry, Pascal
Online and Semi–Online Scheduling on Two Hierarchical Machines with a Common Due Date to Maximize the Total Early Work
Xiao, Man, Liu, Xiaoqiao, Li, Weidong, Chen, Xin, Sterna, Malgorzata, Blazewicz, Jacek