Title
Exploring Further Advantages in an Alternative Formulation for the Set Covering Problem
Date Issued
01 January 2020
Access level
open access
Resource Type
journal article
Author(s)
Lanza-Gutierrez J.M.
Caballe N.C.
Crawford B.
Gomez-Pulido J.A.
Paredes F.
Singh D.
Pontificia Universidad Católica de Valparaíso
Publisher(s)
Hindawi Limited
Abstract
The set covering problem (SCP) is an NP-complete optimization problem, fitting with many problems in engineering. The traditional SCP formulation does not directly address both solution unsatisfiability and set redundancy aspects. As a result, the solving methods have to control these aspects to avoid getting unfeasible and nonoptimized in cost solutions. In the last years, an alternative SCP formulation was proposed, directly covering both aspects. This alternative formulation received limited attention because managing both aspects is considered straightforward at this time. This paper questions whether there is some advantage in the alternative formulation, beyond addressing the two issues. Thus, two studies based on a metaheuristic approach are proposed to identify if there is any concept in the alternative formulation, which could be considered for enhancing a solving method considering the traditional SCP formulation. As a result, the authors conclude that there are concepts from the alternative formulation, which could be applied for guiding the search process and for designing heuristic feasibilit\y operators. Thus, such concepts could be recommended for designing state-of-the-art algorithms addressing the traditional SCP formulation.
Volume
2020
Language
English
OCDE Knowledge area
Ingeniería mecánica Matemáticas aplicadas
Scopus EID
2-s2.0-85090945023
Source
Mathematical Problems in Engineering
ISSN of the container
1024123X
Sources of information: Directorio de Producción Científica Scopus