Scheduling the Brazilian OR conference.

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dc.contributor.authorCorreia, Rubens
dc.contributor.authorSubramanian, Anand
dc.contributor.authorBulhões, Teobaldo
dc.contributor.authorPenna, Puca Huachi Vaz
dc.date.accessioned2023-07-24T20:37:11Z
dc.date.available2023-07-24T20:37:11Z
dc.date.issued2022pt_BR
dc.description.abstractIn this paper, we propose an efficient matheuristic approach for solving the problem of scheduling the Brazilian OR conference. The event has traditionally around 300 presentations across a period of 3 to 4 days, and building a schedule for the technical sessions is an ardu- ous task. The developed algorithm integrates the concepts of iterated local search and simulated annealing with two mathematical programming-based procedures. The idea is to group the presentations via a clustering procedure, and handle the side constraints in a subproblem via an integer programming formulation. A set partitioning procedure is applied at the end of the algorithm to find the optimal combination of clusters found during the search. We first assess the performance of the method by comparing our results with those attained by other algorithms from the literature on two existing sets of artificial instances derived from two other conferences. Next, we executed our approach on real-life instances derived from different SBPO editions, and compared the solutions with the manual solutions, when available, or with upper bounds (we solve a maximisation problem) found by an exact algorithm from the literature. The results obtained show that the matheuristic is capable of achieving high quality solutions both on the artificial and real-life instances.pt_BR
dc.identifier.citationCORREIA, R. et al. Scheduling the Brazilian OR conference. Journal of the Operational Research Society, v. 73, n. 7, p. 1487-1498, 2022. Disponível em: <https://www.tandfonline.com/doi/full/10.1080/01605682.2021.1915194>. Acesso em: 06 jul. 2023.pt_BR
dc.identifier.doihttps://doi.org/10.1080/01605682.2021.1915194pt_BR
dc.identifier.issn1476-9360
dc.identifier.urihttp://www.repositorio.ufop.br/jspui/handle/123456789/17050
dc.identifier.uri2https://www.tandfonline.com/doi/full/10.1080/01605682.2021.1915194pt_BR
dc.language.isoen_USpt_BR
dc.rightsrestritopt_BR
dc.subjectCombinatorial optimisationpt_BR
dc.subjectMetaheuristicspt_BR
dc.subjectPractice of ORpt_BR
dc.subjectDecision support systemspt_BR
dc.titleScheduling the Brazilian OR conference.pt_BR
dc.typeArtigo publicado em periodicopt_BR
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