Operations research in the 21st century: XXI Latin-Iberoamerican Conference on Operations Research, CLAIO 2022.

Juan G. Villegas Juan Guillermo Villegas Universidad de Antioquia, Medellín, Colombia https://orcid.org/0000-0002-2940-571X https://www.wikidata.org/entity/Q58215789

Valeria Leoni Javier Marenco Eduardo Moreno 0001 Juan G. Villegas Paula Zabala Operations research in the 21st century: XXI Latin-Iberoamerican Conference on Operations Research, CLAIO 2022. 2026 March 531-532 358 Ann. Oper. Res. 2 https://doi.org/10.1007/s10479-026-07106-z db/journals/anor/anor358.html#LeoniMMVZ26 streams/journals/anor

Juan Pablo Fernández-Gutiérrez Juan G. Villegas José-Fernando Camacho-Vallejo A simple and effective exact method for the medianoid problem with multipurpose trips. 851-897 2026 March 93 Comput. Optim. Appl. 2 https://doi.org/10.1007/s10589-025-00731-7 db/journals/coap/coap93.html#FernandezGutierrezVC26 streams/journals/coap

José-Fernando Camacho-Vallejo Carlos Corpus Juan G. Villegas Metaheuristics for bilevel optimization: A comprehensive review. 106410 2024 January 161 Comput. Oper. Res. https://doi.org/10.1016/j.cor.2023.106410 db/journals/cor/cor161.html#CamachoVallejoCV24

Alejandro Arenas-Vasco Eduwin J. Aguirre-Gonzalez Camila Camacho Juan G. Villegas Among Us as an Operations Research Problem. 282-284 2024 24 INFORMS Trans. Educ. 3 https://doi.org/10.1287/ited.2022.0029 db/journals/ited/ited24.html#Arenas-VascoACV24

Sahori Polino José-Fernando Camacho-Vallejo Juan G. Villegas A facility location problem for extracurricular workshop planning: bi-level model and metaheuristics. 4025-4067 2024 November 31 Int. Trans. Oper. Res. 6 https://doi.org/10.1111/itor.13368 db/journals/itor/itor31.html#PolinoCV24

Juan G. Villegas Jorge E. Mendoza Celso C. Ribeiro Rubén Ruiz Andrés L. Medaglia Preface to the Special Issue on Developments in Metaheuristics. 653-654 2023 30 Int. Trans. Oper. Res. 2 https://doi.org/10.1111/itor.13188 db/journals/itor/itor30.html#VillegasMRRM23

Sebastián Román Andrés M. Villegas Juan Guillermo Villegas An evolutionary strategy for multiobjective reinsurance optimization. 1661-1677 2018 69 J. Oper. Res. Soc. 10 https://doi.org/10.1057/s41274-017-0210-y db/journals/jors/jors69.html#RomanVV18

Sebastian Cortés Elena Valentina Gutiérrez Juan D. Palacio Juan G. Villegas Districting Decisions in Home Health Care Services: Modeling and Case Study. 73-84 2018 WEA (2) https://doi.org/10.1007/978-3-030-00353-1_7 conf/wea2/2018-2 db/conf/wea2/wea2018-2.html#CortesGPV18 Juan Carlos Figueroa-García Juan G. Villegas Juan Rafael Orozco-Arroyave Pablo Andrés Maya Duque Applied Computer Sciences in Engineering - 5th Workshop on Engineering Applications, WEA 2018, Medellín, Colombia, October 17-19, 2018, Proceedings, Part II WEA (2) Springer 2018 Communications in Computer and Information Science 916 978-3-030-00352-4 978-3-030-00353-1 https://doi.org/10.1007/978-3-030-00353-1 db/conf/wea2/wea2018-2.html Eduwin J. Aguirre-Gonzalez Juan G. Villegas A Two-Phase Heuristic for the Collection of Waste Animal Tissue in a Colombian Rendering Company. 511-521 2017 WEA https://doi.org/10.1007/978-3-319-66963-2_45 conf/wea2/2017 db/conf/wea2/wea2017.html#Aguirre-Gonzalez17

Jorge E. Mendoza Louis-Martin Rousseau Juan G. Villegas A hybrid metaheuristic for the vehicle routing problem with stochastic demand and duration constraints. 539-566 2016 22 J. Heuristics 4 https://doi.org/10.1007/s10732-015-9281-6 db/journals/heuristics/heuristics22.html#MendozaRV16

Juan E. Muriel-Villegas Karla C. Alvarez-Uribe Carmen Elena Patiño Rodriguez Juan G. Villegas Analysis of transportation networks subject to natural hazards - Insights from a Colombian case. 151-165 2016 152 Reliab. Eng. Syst. Saf. https://doi.org/10.1016/j.ress.2016.03.006 db/journals/ress/ress152.html#Muriel-Villegas16

José-Manuel Belenguer Enrique Benavent Antonio Martínez Christian Prins Caroline Prodhon Juan G. Villegas A Branch-and-Cut Algorithm for the Single Truck and Trailer Routing Problem with Satellite Depots. 735-749 2016 50 Transp. Sci. 2 https://doi.org/10.1287/trsc.2014.0571 db/journals/transci/transci50.html#BelenguerBMPPV16

Alejandro Cadavid Tobón Pablo Andrés Maya Duque Juan Guillermo Villegas Robust Flight' Scheduling in a Colombian Domestic Airline. 156-161 2015 ICORES conf/icores/2015 db/conf/icores/icores2015.html#TobonDV15

Juan G. Villegas Christian Prins Caroline Prodhon Andrés L. Medaglia Nubia Velasco A matheuristic for the truck and trailer routing problem. 231-244 2013 230 Eur. J. Oper. Res. 2 https://doi.org/10.1016/j.ejor.2013.04.026 https://www.wikidata.org/entity/Q58171626 db/journals/eor/eor230.html#VillegasPPMV13

Jorge E. Mendoza Juan G. Villegas A multi-space sampling heuristic for the vehicle routing problem with stochastic demands. 1503-1516 2013 7 Optim. Lett. 7 https://doi.org/10.1007/s11590-012-0555-8 db/journals/ol/ol7.html#MendozaV13

Juan G. Villegas Vehicle routing problems with trailers. 317-318 2012 10 4OR 3 https://doi.org/10.1007/s10288-011-0186-4 db/journals/4or/4or10.html#Villegas12

Juan G. Villegas Christian Prins Caroline Prodhon Andrés L. Medaglia Nubia Velasco A GRASP with evolutionary path relinking for the truck and trailer routing problem. 1319-1334 2011 38 Comput. Oper. Res. 9 https://doi.org/10.1016/j.cor.2010.11.011 https://www.wikidata.org/entity/Q58171650 db/journals/cor/cor38.html#VillegasPPMV11

Juan G. Villegas Christian Prins Caroline Prodhon Andrés L. Medaglia Nubia Velasco GRASP/VND and multi-start evolutionary local search for the single truck and trailer routing problem with satellite depots. 780-794 2010 23 Eng. Appl. Artif. Intell. 5 https://doi.org/10.1016/j.engappai.2010.01.013 https://www.wikidata.org/entity/Q58171658 db/journals/eaai/eaai23.html#VillegasPPMV10

Andrés L. Medaglia Juan G. Villegas Diana M. Rodríguez-Coca Hybrid biobjective evolutionary algorithms for the design of a hospital waste management network. 153-176 2009 15 J. Heuristics 2 https://doi.org/10.1007/s10732-008-9070-6 https://www.wikidata.org/entity/Q58760109 db/journals/heuristics/heuristics15.html#MedagliaVR09

Juan G. Villegas Fernando Palacios Andrés L. Medaglia Solution methods for the bi-objective (cost-coverage) unconstrained facility location problem with an illustrative example. 109-141 2006 147 Ann. Oper. Res. 1 https://doi.org/10.1007/s10479-006-0061-4 https://www.wikidata.org/entity/Q58760169 db/journals/anor/anor147.html#VillegasPM06

Eduwin J. Aguirre-Gonzalez Karla C. Alvarez-Uribe Alejandro Arenas-Vasco José-Manuel Belenguer Enrique Benavent Camila Camacho José-Fernando Camacho-Vallejo Carlos Corpus Sebastian Cortés Juan Pablo Fernández-Gutiérrez Juan Carlos Figueroa GarcíaJuan Carlos Figueroa-García Elena Valentina Gutiérrez Valeria A. LeoniValeria Leoni Javier Marenco Antonio Martínez Pablo A. MayaPablo Andrés Maya Duque Andrés L. Medaglia Jorge E. Mendoza Eduardo Moreno 0001 Juan E. Muriel-Villegas Juan Rafael Orozco-Arroyave Juan D. Palacio Fernando Palacios Sahori Polino Christian Prins Caroline Prodhon Celso C. Ribeiro Carmen Elena Patiño Rodriguez Diana M. Rodríguez-Coca Sebastián Román Louis-Martin Rousseau Rubén Ruiz Alejandro Cadavid Tobón Nubia Velasco Andrés M. Villegas Paula Zabala