and heuristic approach which takes advantage of Integer Linear Programming (ILP) techniques and heuristic search to improve the quality of the solutions. Extensive computational tests on the standard benchmark instances and on a new set of large sized...

We develop an integer linear programming technique for solving two variants of the standard vehicle routing problem. Given an initial feasible solution to be possibly improved, the method follows a destruct-and-repair paradigm, where the given...

Variable Neighborhood Search scheme, the algorithm incorporates an Integer Linear Programming based improvement method which is applied whenever the heuristic algorithm is not able to improve the quality of the current solution. Extensive computational...

, four objectives should be optimized where we used the Lp-metric method to aggregate them into a single objective. An integer linear programming model and two metaheuristic algorithms, i.e. memetic and scatter search, have been developed for the studied...

. We present a heuristic improvement procedure for OVRP based on Integer Linear Programming (ILP) techniques. Given an initial feasible solution

to be possibly improved, the method follows a destruct-and-repair paradigm, where the given solution...

of the Variable Neighborhood Search approach, the algorithm incorporates an Integer Linear Programming based improvement method which is applied whenever the heuristic procedure is not able to enhance the quality of the current solution. Extensive computational...

This paper studies a fortnightly university course timetabling problem. In this research, the Industrial Engineering Department of Ferdowsi University of Mashhad (Iran) is considered as the case study for investigation. An integer linear programming...

Integer Linear Programming (MILP) is used to minimize the total energy dispatch cost in 24 hours of a day. Numerical examples show that the proposed joint auction model can clear energy and ancillary services bids simultaneously while minimizing the total...

Optimal constrained power scheduling in Electricity market

including fixed cost and overtime cost). We develop an integer linear programming model for this scheduling problem. The developed model is a four dimensional assignment problem that determines the weekly schedule (day, surgeon, operating room, and type...