The nurse-scheduling is a common problem in hospitals. The problem requires a timetable considering hospital regulations and nurses' demands and preferences. This study proposes an integrated Lexicographic goal programming and dynamic satisfaction function model for solving nurse-scheduling...

Problem definition: Intraproject learning in project scheduling is concerned with the use of learning among the similar tasks in the project to improve the overall performance of the project schedule. Under intraproject learning, knowledge gained from completing some tasks in a project is used...

Online retailers utilize lateral transshipment to meet the immediate shortage of demand at one location from surplus at another location within their retailing network. One option to reduce such potentially expensive transshipment is to hold additional safety stock at each location. We...

We establish the computational complexity of the problem of minimizing makespan in a flowshop, where each jobs requires a pallet the entire time, from the start of its first operation until the completion of the last operation. We prove that the problem is NP-hard in the strong sense for m =2...