Subscription or Fee Access
Adaptation of the GRASP Algorithm to Solve a Multiobjective Problem Using the Pareto Concept
This paper introduces a probabilistic adaptation of the algorithm GRASP (Greedy Randomize Adaptive Search Procedure), in the solution of a bi-objective transportation problem. The purpose of the paper is to minimize the cost of storing and sending products, and maximize the client satisfying level by the existence of some nodes (warehouses) in a network that not only receive but also distribute products. A scenario was created to test an exhaustive searching algorithm with networks of 200, 400 and 600 nodes, to determine the three warehouses that optimize the objectives mentioned before. The proposed algorithm was evaluated with the same scenario observing a better performance in terms of execution time, and qualitative and quantitative solutions closed to the one obtained by the exhaustive searching algorithm. Novelties in this paper are first the adaptation of the GRASP algorithm in a bi-objective problem using the Pareto optimization criteria, and second to apply the proposed algorithm not in the process of searching paths as usually have been used but to optimize others criteria.
GRASP algorithm, multiobjective problem, transportation and storage problem, Pareto optimization criteria, exhaustive searching algorithm.
Disclaimer/Regarding indexing issue:
We have provided the online access of all issues and papers to the indexing agencies (as given on journal web site). It’s depend on indexing agencies when, how and what manner they can index or not. Hence, we like to inform that on the basis of earlier indexing, we can’t predict the today or future indexing policy of third party (i.e. indexing agencies) as they have right to discontinue any journal at any time without prior information to the journal. So, please neither sends any question nor expects any answer from us on the behalf of third party i.e. indexing agencies.Hence, we will not issue any certificate or letter for indexing issue. Our role is just to provide the online access to them. So we do properly this and one can visit indexing agencies website to get the authentic information.