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EWGLA 2025- Early registration deadline
by Luisa Isabel Martinez Merino 12 May '25

12 May '25

Dear colleagues, This is a friendly reminder that the deadline for early registration for EWGLA 2025 is approaching: May 15. If you would like to participate, please follow the instructions in the Registration Section of the webpage. We look forward to welcoming you in September. Best regards, The EWGLA 2025 Organizing Team UCA Luisa Isabel Martinez Merino Departamento de Estadística e Investigación Operativa Profesora Ayudante Doctora Universidad de Cádiz luisa.martinez(a)uca.es [ mailto:luisa.martinez@uca.es ]

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Updates and Payment Information – EWGLA 2025
by Luisa Isabel Martinez Merino 07 May '25

07 May '25

Dear EWGLA Participants, We are pleased to inform you that a preliminary schedule, including key dates and times, is now available on the EWGLA 2025 website. Additionally, we would like to share important information for those who have not yet completed their registration. An online card payment option (TPV) is now available, specifically for participants who may incur extra bank fees when paying via traditional bank transfer. You can find detailed instructions on how to proceed with this payment method at: https://ewgla2025.uca.es/registration/ [ https://ewgla2025.uca.es/registration/ ]. Please note that this option is intended only for those affected by additional bank charges. If this does not apply to you, we kindly ask that you continue using the standard bank transfer method. Finally, a friendly reminder that the early registration deadline is May 15. We hope this facilitates your registration process, and we look forward to welcoming you in September. Best regards, The EWGLA 2025 Organizing Team

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Location related references May 2025 collection
by Frank Plastria 05 May '25

05 May '25

Dear fellow locater, Here is the May 2025 collection: 81 references about or related to location science, almost half brand new from this year, the other almost half from2020, as well as a few missing items from my previous collections for the years in between. There are still many hundreds to come before filling the gap I left since my retirement in 2013, so this monthly column started up again in July 2023 will be continued for quite a while (I hope). Working backwards at this pace the backlog might take another two or three years at least. And new ones keep flowing in at an incredible rate ... Cheers Frank Prof. Em. Frank Plastria BUTO, Vrije Universiteit Brussel frank.plastria(a)vub.be %%%%%%%%%%%%%%%%%%%%%%%%%%% [1] Roghayyeh Alizadeh and Mohammad Reza Akbari Jokar. Mathematical models and concepts for blockchain network design in supply chain. Computers & Industrial Engineering, 204:111118, June 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.111118> ] [2] Khalid Aljohani and Russell G. Thompson. A multi-criteria spatial evaluation framework to optimise the siting of freight consolidation facilities in inner-city areas. Transportation Research Part A: Policy and Practice, 138:51--69, August 2020. [ DOI<http://dx.doi.org/10.1016/j.tra.2020.05.020> ] [3] Giuseppe Ambrosio, Raffaele Cerulli, Domenico Serra, Carmine Sorgente, and Ugo Vaccaro. Exact and heuristic solution approaches for the cluster deletion problem on general graphs. Networks, 85(4):351--367, February 2025. [ DOI<http://dx.doi.org/10.1002/net.22267> ] [4] Eliseu J. Araújo, Antônio A. Chaves, and Luiz A.N. Lorena. A mathematical model for the coverage location problem with overlap control. Computers & Industrial Engineering, 146:106548, August 2020. [ DOI<http://dx.doi.org/10.1016/j.cie.2020.106548> ] [5] Okan Arslan, Ola Jabali, and Gilbert Laporte. A flexible, natural formulation for the network design problem with vulnerability constraints. INFORMS Journal on Computing, 32(1):120--134, January 2020. [ DOI<http://dx.doi.org/10.1287/ijoc.2018.0869> ] [6] Chunsong Bai, Liqi Zhang, and Jianjie Zhou. A note on the inverse connected p-median problem on block graphs. Advances in Pure Mathematics, 13(04):181--186, 2023. [ DOI<http://dx.doi.org/10.4236/apm.2023.134011> ] [7] Mouhamadou A. M. T. Baldé, Serigne Gueye, and Babacar M. Ndiaye. A greedy evolutionary hybridization algorithm for the optimal network and quadratic assignment problem. Operational Research, 21(3):1663--1690, February 2020. [ DOI<http://dx.doi.org/10.1007/s12351-020-00549-7> ] [8] Anne G. Balter, Cláudia Nunes, Diogo Pereira, and Peter M. Kort. Innovation and product positioning: When to add or replace. Omega, 136:103327, October 2025. [ DOI<http://dx.doi.org/10.1016/j.omega.2025.103327> ] [9] Gustavo Bergantiños, María Gómez-Rúa, Natividad Llorca, Manuel Pulido, and Joaquín Sánchez-Soriano. Allocating costs in set covering problems. European Journal of Operational Research, 284(3):1074--1087, August 2020. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.01.031> ] [10] Justin J. Boutilier and Timothy C. Y. Chan. Ambulance emergency response optimization in developing countries. Operations Research, 68(5):1315--1334, September 2020. [ DOI<http://dx.doi.org/10.1287/opre.2019.1969> ] [11] Leonardo Caggiani, Aleksandra Colovic, and Michele Ottomanelli. An equality-based model for bike-sharing stations location in bicycle-public transport multimodal mobility. Transportation Research Part A: Policy and Practice, 140:251--265, October 2020. [ DOI<http://dx.doi.org/10.1016/j.tra.2020.08.015> ] [12] Herminia I. Calvete, Carmen Galé, José A. Iranzo, José-Fernando Camacho-Vallejo, and Martha-Selene Casas-Ramírez. A matheuristic for solving the bilevel approach of the facility location problem with cardinality constraints and preferences. Computers & Operations Research, 124:105066, December 2020. [ DOI<http://dx.doi.org/10.1016/j.cor.2020.105066> ] [13] Mengyi Cui, Shaoxin Shen, and Fengtian Zheng. The impact of highway improvements on new firm location in underdeveloped regions: Evidence from China. Socio-Economic Planning Sciences, 99:102183, June 2025. [ DOI<http://dx.doi.org/10.1016/j.seps.2025.102183> ] [14] Samuel Deleplanque, Martine Labbé, Diego Ponce, and Justo Puerto. A branch-price-and-cut procedure for the discrete ordered median problem. INFORMS Journal on Computing, 32(3):582--599, July 2020. [ DOI<http://dx.doi.org/10.1287/ijoc.2019.0915> ] [15] Shaolin Ding and Quanhong Li. Optimization of the number and location of boreholes for gassy soil site investigation considering the statistical uncertainty. World Journal of Engineering and Technology, 12(04):895--913, 2024. [ DOI<http://dx.doi.org/10.4236/wjet.2024.124055> ] [16] Xiaosong Ding, Jun Ma, Xiuming Li, and Xi Chen. Improved randomized approaches to the location of a conservative hyperplane. Optimization Letters, 19(4):793--809, July 2024. [ DOI<http://dx.doi.org/10.1007/s11590-024-02136-7> ] [17] Fredrik Ekstedt, Raad Salman, and Peter Damaschke. Branch and bound for the fixed-shape unequal area facility layout problem. Computers & Industrial Engineering, 203:110987, May 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.110987> ] [18] Mohammad Firouz, Afshin Oroojlooy-Jadid, and Ardavan Asef-Vaziri. Dynamic unequal area facility layout design under stochastic material flow, re-arrangement cost, and change period. Computers & Industrial Engineering, 203:110971, May 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.110971> ] [19] Arash Gourtani, Tri-Dung Nguyen, and Huifu Xu. A distributionally robust optimization approach for two-stage facility location problems. EURO Journal on Computational Optimization, 8(2):141--172, June 2020. [ DOI<http://dx.doi.org/10.1007/s13675-020-00121-0> ] [20] Saber Ibrahim and Bassem Jarboui. A general variable neighborhood search approach based on a p-median model for cellular manufacturing problems. Optimization Letters, 16(1):137--151, November 2020. [ DOI<http://dx.doi.org/10.1007/s11590-020-01662-4> ] [21] Param Iyer and David Robb. Cold chain optimisation models: A systematic literature review. Computers & Industrial Engineering, 204:110972, June 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.110972> ] [22] Nan Jiang and Huizhen Zhang. Improved adaptive differential evolution algorithm for the un-capacitated facility location problem. Open Journal of Applied Sciences, 13(05):685--695, 2023. [ DOI<http://dx.doi.org/10.4236/ojapps.2023.135054> ] [23] Ahmed Abdelmoumene Kadri, Romain Perrouault, Mouna Kchaou Boujelben, and Céline Gicquel. A multi-stage stochastic integer programming approach for locating electric vehicle charging stations. Computers & Operations Research, 117:104888, May 2020. [ DOI<http://dx.doi.org/10.1016/j.cor.2020.104888> ] [24] Gokhan Karakose and İslam Diri. A path-free modelling approach for the traffic counting location problem. Computers & Industrial Engineering, 204:111079, June 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.111079> ] [25] Biswajit Kar and Mamata Jenamani. Modelling a capacitated location problem for designing multimodal vaccine distribution network using a novel health emergency susceptibility index. Computers & Operations Research, 180:107056, August 2025. [ DOI<http://dx.doi.org/10.1016/j.cor.2025.107056> ] [26] Özlem Karsu, İzzet Egemen Elver, and Tuna Arda Kınık. Finding robustly fair solutions in resource allocation. Omega, 131:103208, February 2025. [ DOI<http://dx.doi.org/10.1016/j.omega.2024.103208> ] [27] Onur Kaya and Dogus Ozkok. A blood bank network design problem with integrated facility location, inventory and routing decisions. Networks and Spatial Economics, 20(3):757--783, July 2020. [ DOI<http://dx.doi.org/10.1007/s11067-020-09500-x> ] [28] Nikolai Krivulin. Algebraic solution of minimax single-facility constrained location problems with Chebyshev and rectilinear distances. Journal of Logical and Algebraic Methods in Programming, 115:100578, October 2020. [ DOI<http://dx.doi.org/10.1016/j.jlamp.2020.100578> ] [29] N. K. Krivulin and M. A. Bryushinin. Solution of a two-facility location problem in a space with Chebyshev distance. Vestnik St. Petersburg University, Mathematics, 55(4):406--413, December 2022. [ DOI<http://dx.doi.org/10.1134/s1063454122040124> ] [30] Xiangyong Li and Y.P. Aneja. A branch-and-Benders-cut approach for the fault tolerant regenerator location problem. Computers & Operations Research, 115:104847, March 2020. [ DOI<http://dx.doi.org/10.1016/j.cor.2019.104847> ] [31] Yuanbo Li, Ziliang Jin, Jing Ma, Jiushenzi Luo, and Peixuan Li. Integrated location and operation for emergency road service: A machine learning-driven robust approach. Computers & Industrial Engineering, 203:111016, May 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.111016> ] [32] Gao-Xi Li, Yi Ren, and Peiru Yi. Sparse facility location and network design problems. Omega, 136:103319, October 2025. [ DOI<http://dx.doi.org/10.1016/j.omega.2025.103319> ] [33] Hao Lin and Cheng He. On fixed-parameter solvability of the minimax path location problem. Communications on Applied Mathematics and Computation, 5(4):1644--1654, January 2023. [ DOI<http://dx.doi.org/10.1007/s42967-022-00238-6> ] [34] Yunhua Liu, Ehsan Dehghani, Mohammad Saeed Jabalameli, Ali Diabat, and Chung-Cheng Lu. A coordinated location-inventory problem with supply disruptions: A two-phase queuing theory–optimization model approach. Computers & Industrial Engineering, 142:106326, April 2020. [ DOI<http://dx.doi.org/10.1016/j.cie.2020.106326> ] [35] Ming Liu, Zhongzheng Liu, Feng Chu, Feifeng Zheng, and Alexandre Dolgui. Dynamic structural adaptation for building viable supply chains under super disruption events. Transportation Research Part B: Methodological, 195:103190, May 2025. [ DOI<http://dx.doi.org/10.1016/j.trb.2025.103190> ] [36] Mengrui Liu, Nengmin Wang, Meng Zhang, and Weixuan Shi. Location-routing problem for customized product delivery considering assembly delay. Computers & Industrial Engineering, 204:111086, June 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.111086> ] [37] Mehdi Mahmoodjanloo, Reza Tavakkoli-Moghaddam, Armand Baboli, and Atefeh Jamiri. A multi-modal competitive hub location pricing problem with customer loyalty and elastic demand. Computers & Operations Research, 123:105048, November 2020. [ DOI<http://dx.doi.org/10.1016/j.cor.2020.105048> ] [38] Tien Mai and Andrea Lodi. A multicut outer-approximation approach for competitive facility location under random utilities. European Journal of Operational Research, 284(3):874--881, August 2020. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.01.020> ] [39] Alfredo Marín, Diego Ponce, and Justo Puerto. A fresh view on the discrete ordered median problem based on partial monotonicity. European Journal of Operational Research, 286(3):839--848, November 2020. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.04.023> ] [40] Lauren McNamara, Peter T. Vanberkel, David Petrie, and Alix J.E. Carter. An application and framework for evaluating emergency department networks using location analysis and geographic information systems. Computers & Industrial Engineering, 149:106766, November 2020. [ DOI<http://dx.doi.org/10.1016/j.cie.2020.106766> ] [41] Gonzalo Méndez-Vogel, Vladimir Marianov, and Armin Lüer-Villagra. Combining state-of-the-art row generation methods for the competitive facility location problem with multinomial logit choice rule. Omega, 136:103339, October 2025. [ DOI<http://dx.doi.org/10.1016/j.omega.2025.103339> ] [42] Daijiro Mizutani, Shunichi Fukuyama, and Koki Satsukawa. Optimal road facility spare parts location with continuum approximation. Transportation Research Part C: Emerging Technologies, 174:105109, May 2025. [ DOI<http://dx.doi.org/10.1016/j.trc.2025.105109> ] [43] Rola Younis Masoud Mohammed and Mohammad Asif Salam. Understanding the dynamics location of very large populations interacted with service points. Open Journal of Modelling and Simulation, 11(03):60--87, 2023. [ DOI<http://dx.doi.org/10.4236/ojmsi.2023.113005> ] [44] Alan T. Murray. Beyond location modeling and GIS: Integration and bridging. Computers & Operations Research, 180:107073, August 2025. [ DOI<http://dx.doi.org/10.1016/j.cor.2025.107073> ] [45] Ibrahim A. Nemer, Tarek R. Sheltami, and Ashraf S. Mahmoud. A game theoretic approach of deployment a multiple UAVs for optimal coverage. Transportation Research Part A: Policy and Practice, 140:215--230, October 2020. [ DOI<http://dx.doi.org/10.1016/j.tra.2020.08.004> ] [46] Kien Trung Nguyen and Wen Chean Teh. The uniform cost reverse 1-centdian location problem on tree networks with edge length reduction. Vietnam Journal of Mathematics, 51(2):345--361, October 2021. [ DOI<http://dx.doi.org/10.1007/s10013-021-00529-0> ] [47] Trung Kien Nguyen, Nguyen Thanh Hung, and Huong Nguyen-Thu. A linear time algorithm for the p-maxian problem on trees with distance constraint. Journal of Combinatorial Optimization, 40(4):1030--1043, September 2020. [ DOI<http://dx.doi.org/10.1007/s10878-020-00650-9> ] [48] Kien Trung Nguyen, Nguyen Thanh Hung, and Huong Nguyen-Thu. Unified approach to the inverse median location problem under the sum and the max objectives applying ordered median function. Optimization, 74(7):1723--1741, April 2024. [ DOI<http://dx.doi.org/10.1080/02331934.2024.2323688> ] [49] Mohammad Nikzamir and Vahid Baradaran. A healthcare logistic network considering stochastic emission of contamination: Bi-objective model and solution algorithm. Transportation Research Part E: Logistics and Transportation Review, 142:102060, October 2020. [ DOI<http://dx.doi.org/10.1016/j.tre.2020.102060> ] [50] Duygu Pamukcu, Melih Çelik, and Burcu Balçık. Integrating logistics planning and population sampling decisions for humanitarian needs assessment. Socio-Economic Planning Sciences, 99:102204, June 2025. [ DOI<http://dx.doi.org/10.1016/j.seps.2025.102204> ] [51] Mustapha Ratli, Dragan Urošević, Abdessamad Ait El Cadi, Jack Brimberg, Nenad Mladenović, and Raca Todosijević. An efficient heuristic for a hub location routing problem. Optimization Letters, 16(1):281--300, November 2020. [ DOI<http://dx.doi.org/10.1007/s11590-020-01675-z> ] [52] Sebastian A. Rodriguez, Rodrigo A. De la Fuente, and Maichel M. Aguayo. A facility location and equipment emplacement technique model with expected coverage for the location of fire stations in the Concepción province, Chile. Computers & Industrial Engineering, 147:106522, September 2020. [ DOI<http://dx.doi.org/10.1016/j.cie.2020.106522> ] [53] Marisol S. Romero‐Mancilla, Jaime Mora‐Vargas, and Angel Ruiz. A fix‐and‐optimize matheuristic to solve the location‐allocation of vaccination facilities: Case of Jalisco, Mexico. Networks, 85(4):382--395, February 2025. [ DOI<http://dx.doi.org/10.1002/net.22266> ] [54] Daniel Santos, Carlos Santos, Jonata Santos, Aloísio Filho, and Hugo Saba. The importance of the facility location techniques to assist companies in decision-making for the installation of logistics hub. Open Journal of Business and Management, 12(01):79--89, 2024. [ DOI<http://dx.doi.org/10.4236/ojbm.2024.121006> ] [55] Kamran Sarmadi and Mehdi Amiri-Aref. A distributionally robust optimisation with joint chance constraints approach for location-routing problem in urban search and rescue operations. Computers & Operations Research, 180:107051, August 2025. [ DOI<http://dx.doi.org/10.1016/j.cor.2025.107051> ] [56] Shahrooz Shahparvari, Araz Nasirian, Alireza Mohammadi, Sepideh Noori, and Prem Chhetri. A GIS-LP integrated approach for the logistics hub location problem. Computers & Industrial Engineering, 146:106488, August 2020. [ DOI<http://dx.doi.org/10.1016/j.cie.2020.106488> ] [57] Jan Stentoft, Ole Stegmann Mikkelsen, and Kent Adsbøll Wickstrøm. Reshoring manufacturing: the influence of industry 4.0, Covid-19, and made-in effects. Operations Management Research, 18(1):353--372, July 2024. [ DOI<http://dx.doi.org/10.1007/s12063-024-00504-1> ] [58] Keshuang Tang, Qiushan Zhang, Yumin Cao, Jiahao Liu, Junping Xiang, and Hong Zhu. A novel AVI sensor location model for individual vehicle path reconstruction on urban road networks. Transportation Research Part C: Emerging Technologies, 174:105103, May 2025. [ DOI<http://dx.doi.org/10.1016/j.trc.2025.105103> ] [59] Zhong-Zheng Tang, Chen-Hao Wang, Meng-Qi Zhang, and Ying-Chao Zhao. Strategyproof facility location with limited locations. Journal of the Operations Research Society of China, 11(3):553--567, January 2022. [ DOI<http://dx.doi.org/10.1007/s40305-021-00378-1> ] [60] S. Taymaz, C. Iyigun, Z.P. Bayindir, and N.P. Dellaert. A healthcare facility location problem for a multi-disease, multi-service environment under risk aversion. Socio-Economic Planning Sciences, 71:100755, September 2020. [ DOI<http://dx.doi.org/10.1016/j.seps.2019.100755> ] [61] Sahar Validi, Arijit Bhattacharya, and P. J. Byrne. An evaluation of three DoE-guided meta-heuristic-based solution methods for a three-echelon sustainable distribution network. Annals of Operations Research, 296(1–2):421--469, August 2020. [ DOI<http://dx.doi.org/10.1007/s10479-020-03746-x> ] [62] Truong Van Nguyen, Jie Zhang, Li Zhou, Meng Meng, and Yong He. A data-driven optimization of large-scale dry port location using the hybrid approach of data mining and complex network theory. Transportation Research Part E: Logistics and Transportation Review, 134:101816, February 2020. [ DOI<http://dx.doi.org/10.1016/j.tre.2019.11.010> ] [63] M. E. Vodyan, A. A. Panin, and A. V. Plyasunov. A study of the threshold stability of the bilevel problem of facility location and discriminatory pricing. Journal of Applied and Industrial Mathematics, 18(3):558--574, June 2024. [ DOI<http://dx.doi.org/10.1134/s1990478924030165> ] [64] Changjun Wang and Shutong Chen. A distributionally robust optimization for blood supply network considering disasters. Transportation Research Part E: Logistics and Transportation Review, 134:101840, February 2020. [ DOI<http://dx.doi.org/10.1016/j.tre.2020.101840> ] [65] Feng-Min Wang, Jia-Jia Wang, Na Li, Yan-Jun Jiang, and Shi-Cheng Li. A cost-sharing scheme for the k-level facility location game with penalties. Journal of the Operations Research Society of China, 10(1):173--182, June 2021. [ DOI<http://dx.doi.org/10.1007/s40305-021-00345-w> ] [66] Jian Wang, Yin Wang, and Mingzhu Yu. A multi-period ambulance location and allocation problem in the disaster. Journal of Combinatorial Optimization, 43(5):909--932, June 2020. [ DOI<http://dx.doi.org/10.1007/s10878-020-00610-3> ] [67] Yuexia Wang, Hongyan Ma, and Ying Liu. Sustainable food waste supply chain network design problem with government environmental oversight: Globalized robust bi-level model and exact algorithm. Socio-Economic Planning Sciences, 99:102205, June 2025. [ DOI<http://dx.doi.org/10.1016/j.seps.2025.102205> ] [68] Chenchen Wu, Donglei Du, and Yue Kang. An approximation algorithm for stochastic multi-level facility location problem with soft capacities. Journal of Combinatorial Optimization, 44(3):1680--1692, feb 2020. [ DOI<http://dx.doi.org/10.1007/s10878-020-00538-8> ] [69] Tai-Hsi Wu, Chun-Yuan Chen, Shi-Wei Huang, and Teng-To Yu. An integrated decision framework for landfill mining site selection using GIS, multi-criteria analysis, and optimization models. Socio-Economic Planning Sciences, 99:102220, June 2025. [ DOI<http://dx.doi.org/10.1016/j.seps.2025.102220> ] [70] Jiafei Wu, Puning Zhao, Chong Wang, and Zhe Liu. Robust federated learning under realistic corruption: An iterative filtering approach. IEEE Internet of Things Journal, 12(9):12948--12957, May 2025. [ DOI<http://dx.doi.org/10.1109/jiot.2024.3523293> ] [71] Hui Xiao, Xiaoqian Yu, Yanqiu Cao, Siying Yang, and Yu Ge. A taxicab strong coverage station location model based on big data of travel trajectory. OALib, 08(11):1--11, 2021. [ DOI<http://dx.doi.org/10.4236/oalib.1108163> ] [72] Ertan Yakici and Mumtaz Karatas. Ant colony optimization for solving large-scale bi-level network design problems. Computers & Industrial Engineering, 204:111077, June 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.111077> ] [73] Shangyao Yan, Jieh-Haur Chen, Shao-Heng Chang, and Hsi-Hsien Wei. Enhancing regional defense: barrier placement optimization along coasts. Operations Management Research, 18(1):257--268, October 2024. [ DOI<http://dx.doi.org/10.1007/s12063-024-00516-x> ] [74] Zijing Yang and Songsong Liu. Fairness-oriented multi-objective optimization of supply chain planning under uncertainties. Socio-Economic Planning Sciences, 99:102198, June 2025. [ DOI<http://dx.doi.org/10.1016/j.seps.2025.102198> ] [75] Lingxiao Yang and Jianfeng Zheng. Liner hub covering problem with elliptical coverage: Improving the cost performance of hub covering problems. Computers & Industrial Engineering, 203:110992, May 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.110992> ] [76] Shiva Zandkarimkhani, Hassan Mina, Mehdi Biuki, and Kannan Govindan. A chance constrained fuzzy goal programming approach for perishable pharmaceutical supply chain network design. Annals of Operations Research, 295(1):425--452, June 2020. [ DOI<http://dx.doi.org/10.1007/s10479-020-03677-7> ] [77] Li Zhang and Qiaoliang Li. Approximation algorithm for dynamic facility location problem. Journal of Combinatorial Optimization, 49(3), April 2025. [ DOI<http://dx.doi.org/10.1007/s10878-025-01282-7> ] [78] Peiyu Zhang, Yankui Liu, Guoqing Yang, and Guoqing Zhang. A multi-objective distributionally robust model for sustainable last mile relief network design problem. Annals of Operations Research, 309(2):689--730, October 2020. [ DOI<http://dx.doi.org/10.1007/s10479-020-03813-3> ] [79] Qianxue Zhang, Hongliang Li, Huili Pei, and Naiqi Liu. Construction of a new robust dual-channel supply chain network with forward logistics and reverse logistics. Computers & Industrial Engineering, 204:111075, June 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.111075> ] [80] Bin Zhou. A cautionary note on the application of GIS in spatial optimization modeling. Journal of Geographic Information System, 16(01):89--113, 2024. [ DOI<http://dx.doi.org/10.4236/jgis.2024.161007> ] [81] Zhongbao Zhou, Wenting Sun, Tiantian Ren, and Ximei Zeng. Facility location and capacity planning for sampling and testing processes under demand uncertainty. Computers & Industrial Engineering, 204:111094, June 2025. [ DOI<http://dx.doi.org/10.1016/j.cie.2025.111094> ]

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EWGLA2025 – Registration Payment Options and Deadline Extension
by Luisa Isabel Martinez Merino 29 Apr '25

29 Apr '25

Dear EWGLA Participants, This message is intended for those who have not yet completed their registration. In response to several requests, we are working with our university to enable payment via TPV (online card payment) for those who may face additional bank fees when paying by traditional transfer. Unfortunately, the process is taking longer than anticipated, and we have not yet received final confirmation that this option will be available. Therefore, we are extending the early registration deadline to 15 May. We will keep you informed and share any updates as soon as possible. Best regards, UCA Luisa Isabel Martinez Merino Departamento de Estadística e Investigación Operativa Profesora Ayudante Doctora Universidad de Cádiz luisa.martinez(a)uca.es [ mailto:luisa.martinez@uca.es ]

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EWGLA 2025 Registration deadlines
by Luisa Isabel Martinez Merino 22 Apr '25

22 Apr '25

Dear colleagues, We would like to remind you that early registration for EWGLA 2025 is open. Please remember the following important dates: Early registration deadline: April 30, 2025. Late registration deadline: June 30, 2025. Detailed information on the registration process can be found at https://ewgla2025.uca.es/registration/. Don't miss the opportunity to attend EWGLA 2025. We look forward to seeing you in Jerez! Best regards, EWGLA 2025 UCA Luisa Isabel Martinez Merino Departamento de Estadística e Investigación Operativa Profesora Ayudante Doctora Universidad de Cádiz luisa.martinez(a)uca.es [ mailto:luisa.martinez@uca.es ]

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Opportunity as Associate Professor in Decision Support Systems at Leeds University Business School
by Antonino Sgalambro 18 Apr '25

18 Apr '25

Dear Locators, I would like to draw your attention to an exciting opportunity at Leeds University Business School. https://jobs.leeds.ac.uk/vacancy.aspx?ref=BUSAT1002 Within the Analytics, Technology and Operations Department, we are looking to appoint a new Associate Professor in Decision Support Systems. This position is particularly well-suited for OR colleagues with an interest and a track record of world-class papers on real-world applications of Operational Research. I encourage all interested candidates to apply before 23 April. If you have any questions, please just feel free to get in touch. Best wishes, Antonino Prof Antonino Sgalambro (he/him) Head of Analytics, Technology and Operations Department Professor of Operational Research, PhD, SFHEA Analytics, Technology and Operations Department Leeds University Business School University of Leeds LS2 9JT *: +44(0)113 3435800 *: a.sgalambro(a)leeds.ac.uk<mailto:a.sgalambro@leeds.ac.uk> [signature_463102499]

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Sad news
by Vladimir Marianov Kluge 10 Apr '25

10 Apr '25

Dear colleagues and friends, With sadness, I write to inform you that our friend and colleague locator Mozart Menezes passed away a couple of days ago. He had been ill for some time. He will be missed deeply. All the Best, Vlad No sienta la obligaci?n de contestar este mail fuera de horario laboral.

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Sad news: Mozart Menezes
by Hatice ÇALIK 10 Apr '25

10 Apr '25

I regret to share the sad news of Mozart Menezes, a fellow locator and professor at NEOMA Business School in Paris (https://neoma-bs.com/professors/menezes-mozart-2/). My deepest condolences to his friends and colleagues. Hatice Discussions started 10 hours ago, Vladimir Marianov<https://connect.informs.org/profile?UserKey=f56df4c3-0bf9-4962-ab11-0cebe13…> (0 replies) Sad news<https://connect.informs.org/sola/discussion/sad-news-1#bmac66b51b-25db-4ec5…> [external link to thread view] <https://connect.informs.org/sola/discussion/sad-news-1#bmac66b51b-25db-4ec5…> 1. Dear colleagues and friends, With sadness, I... Vladimir Marianov 1. Sad news<https://connect.informs.org/sola/discussion/sad-news-1#bmac66b51b-25db-4ec5…> Reply All<https://connect.informs.org/sola/ourdiscussiongroup/postreply?MessageKey=ac…> [Vladimir Marianov]<https://connect.informs.org/profile?UserKey=f56df4c3-0bf9-4962-ab11-0cebe13…> Apr 8, 2025 1:51 PM Vladimir Marianov<https://connect.informs.org/profile?UserKey=f56df4c3-0bf9-4962-ab11-0cebe13…> Dear colleagues and friends, With sadness, I write to inform you that our friend and colleague locator Mozart Menezes has passed away today. He had been ill for some time. There will be a private ceremony in Paris, France. All the Best, Vlad ------------------------------ Vladimir Marianov Professor Emeritus Pontificia Universidad Catolica de Chile Las Condes ------------------------------

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Location related references collection April 2025
by Frank Plastria 05 Apr '25

05 Apr '25

Dear fellow locaters, Spring is here with a large collection englobing all new references I had englobing 2021 till now: 93 items. Take your time to enjoy. Cheers Frank Plastria Prof. Em. Frank Plastria BUTO, Vrije Universiteit Brussel frank.plastria(a)vub.be %%%%%%%%%%%%%%%%% [1] Lotte van Aken, Loe Schlicher, and Marco Slikker. Time-dependent Stackelberg protection location games. Operations Research Letters, 60:107278, May 2025. [ DOI<http://dx.doi.org/10.1016/j.orl.2025.107278> ] [2] Steffen J.S. Bakker, Jonas Martin, E. Ruben van Beesten, Ingvild Synnøve Brynildsen, Anette Sandvig, Marit Siqveland, and Antonia Golab. STraM: A strategic network design model for national freight transport decarbonization. Transportation Research Part E: Logistics and Transportation Review, 197:104076, May 2025. [ DOI<http://dx.doi.org/10.1016/j.tre.2025.104076> ] [3] Majid Banaeyan and Walter G. Kropatsch. Adapting a total vertex order to the geometry of a connected component. Pattern Recognition Letters, 190:8--14, April 2025. [ DOI<http://dx.doi.org/10.1016/j.patrec.2025.01.030> ] [4] John R. Birge and Levi DeValve. Inventory placement on a network. Operations Research Letters, 60:107240, May 2025. [ DOI<http://dx.doi.org/10.1016/j.orl.2025.107240> ] [5] Argyrios Deligkas, Mohammad Lotfi, and Alexandros A. Voudouris. Agent-constrained truthful facility location games. Journal of Combinatorial Optimization, 49(2), January 2025. [ DOI<http://dx.doi.org/10.1007/s10878-025-01258-7> ] [6] Luigi Di Puglia Pugliese, Francesca Guerriero, and Nathalie Mitton. Optimizing wireless sensor networks deployment with coverage and connectivity requirements. Annals of Operations Research, 346(3):1997--2008, January 2025. [ DOI<http://dx.doi.org/10.1007/s10479-025-06487-x> ] [7] Yucong Hu, Qingyang Liu, Sitong Li, and Weitiao Wu. Robust emergency logistics network design for pandemic emergencies under demand uncertainty. Transportation Research Part E: Logistics and Transportation Review, 196:103957, April 2025. [ DOI<http://dx.doi.org/10.1016/j.tre.2024.103957> ] [8] David Islip and Roy H. Kwon. Stochastic red-blue set covering: a decomposition approach. Journal of Global Optimization, 91(4):923--951, March 2025. [ DOI<http://dx.doi.org/10.1007/s10898-025-01472-x> ] [9] Nhat-Minh Le-Phan, Phuoc Doan Nguyen, Hyo-Sung Ahn, and Minh Hoang Trinh. Bearing-only solution for Fermat–Weber location problem: Generalized algorithms. Automatica, 176:112242, June 2025. [ DOI<http://dx.doi.org/10.1016/j.automatica.2025.112242> ] [10] Xiangyun Li, Desheng Dai, Jingwen Dong, and Kaili Hu. Research on the collaborative mechanism between site selection optimization model and control of green space planning under the background of urban renewal. Discover Sustainability, 6(1), April 2025. [ DOI<http://dx.doi.org/10.1007/s43621-025-01093-0> ] [11] Lan Luo, Xiangyong Li, and Yuxuan Zhao. A two-stage stochastic-robust model for supply chain network design problem under disruptions and endogenous demand uncertainty. Transportation Research Part E: Logistics and Transportation Review, 196:104013, April 2025. [ DOI<http://dx.doi.org/10.1016/j.tre.2025.104013> ] [12] Fengqiao Luo. A note on valid inequalities for a service center location problem with a type of decision-dependent customer demand. Annals of Operations Research, 346(3):2387--2400, January 2025. [ DOI<http://dx.doi.org/10.1007/s10479-025-06475-1> ] [13] Arya Sevgen Misiç, Mumtaz Karatas, and Abdullah Dasci. Optimal sizing and location of energy storage systems for transmission grids connected to wind farms. Omega, 134:103301, July 2025. [ DOI<http://dx.doi.org/10.1016/j.omega.2025.103301> ] [14] Mahdi Noorizadegan, Abbas Seifi, Hossein Esmaeeli, and Reza Zanjirani Farahani. Preemptive facility interdiction under damage uncertainty. Transportation Research Part E: Logistics and Transportation Review, 197:104081, May 2025. [ DOI<http://dx.doi.org/10.1016/j.tre.2025.104081> ] [15] Anika Pomes, Antonio Diglio, Stefan Nickel, and Francisco Saldanha-da Gama. Multi-stage stochastic districting: optimization models and solution algorithms. Annals of Operations Research, 346(3):2225--2251, January 2025. [ DOI<http://dx.doi.org/10.1007/s10479-024-06459-7> ] [16] Zhenjie Wang, Dezhi Zhang, Lóránt Tavasszy, and Stefano Fazi. The hierarchical multimodal hub location problem for cross-border logistics networks considering multiple capacity levels, congestion and economies of scale. Transportation Research Part E: Logistics and Transportation Review, 196:103972, April 2025. [ DOI<http://dx.doi.org/10.1016/j.tre.2025.103972> ] [17] Nonthaphat Wongwattanakij, Nattawut Phetmak, Chaiporn Jaikaeo, and Jittat Fakcharoenphol. An improved PTAS for covering targets with mobile sensors. Journal of Combinatorial Optimization, 49(2), January 2025. [ DOI<http://dx.doi.org/10.1007/s10878-024-01253-4> ] [18] Jiaxuan Wu, Xiaoqian Sun, Yifan Xu, Changmin Jiang, and Sebastian Wandelt. Hydrogen airport location selection and fleet assignment under policy considerations. Transportation Research Part E: Logistics and Transportation Review, 197:104078, May 2025. [ DOI<http://dx.doi.org/10.1016/j.tre.2025.104078> ] [19] Zvi Drezner. An improved algorithm for solving the Weber location problem. 4OR, 23(1):53--63, May 2024. [ DOI<http://dx.doi.org/10.1007/s10288-024-00565-9> ] [20] Sixia Li, Libang Ma, Qiya Huang, Xijuan Cui, Zhihang Zhu, and Yanling Zong. Accessibility and optimization of rural healthcare facilities from the perspective of the rural living circle. Applied Spatial Analysis and Policy, 18(1), October 2024. [ DOI<http://dx.doi.org/10.1007/s12061-024-09607-5> ] [21] Zhe Zhang, Zhi He, Yuan Yuan, and Xi Chen. Deep network capacitated covering location model: Spatial location-allocation optimization of community healthcare facilities in consideration of public health emergencies. Applied Spatial Analysis and Policy, 18(1), November 2024. [ DOI<http://dx.doi.org/10.1007/s12061-024-09619-1> ] [22] Yuanyuan Chen, Hongling Men, and Xinli Ke. Optimizing urban green space patterns to improve spatial equity using location-allocation model: A case study in Wuhan. Urban Forestry & Urban Greening, 84:127922, June 2023. [ DOI<http://dx.doi.org/10.1016/j.ufug.2023.127922> ] [23] Aliakbar Hasani, Majid Eskandarpour, and Dylan Jones. Health care network design with multiple objectives and stakeholders. Annals of Operations Research, 346(2):1027--1062, December 2023. [ DOI<http://dx.doi.org/10.1007/s10479-023-05731-6> ] [24] Fouad Maliki, Mehdi Souier, Mohammed Dahane, and Fouad Ben Abdelaziz. A multi-objective optimization model for a multi-period mobile facility location problem with environmental and disruption considerations. Annals of Operations Research, 346(2):1445--1470, September 2022. [ DOI<http://dx.doi.org/10.1007/s10479-022-04945-4> ] [25] Shiva Moslemi and Seyed Hamid Reza Pasandideh. A location-allocation model for quality-based blood supply chain under IER uncertainty. RAIRO - Operations Research, 55:S967--S998, 2021. [ DOI<http://dx.doi.org/10.1051/ro/2020035> ] [26] Lazar Mrkela and Zorica Stanimirović. A variable neighborhood search for the budget-constrained maximal covering location problem with customer preference ordering. Operational Research, 22(5):5913--5951, jun 2021. [ DOI<http://dx.doi.org/10.1007/s12351-021-00652-3> ] [27] Mamdouh Mubarak, Halit Üster, Khaled Abdelghany, and Mohammad Khodayar. Strategic network design and analysis for in-motion wireless charging of electric vehicles. Transportation Research Part E: Logistics and Transportation Review, 145:102179, January 2021. [ DOI<http://dx.doi.org/10.1016/j.tre.2020.102179> ] [28] Alan T. Murray. Contemporary optimization application through geographic information systems. Omega, 99:102176, March 2021. [ DOI<http://dx.doi.org/10.1016/j.omega.2019.102176> ] [29] S. Mutti, G. Nicola, M. Beschi, N. Pedrocchi, and L. Molinari Tosatti. Towards optimal task positioning in multi-robot cells, using nested meta-heuristic swarm algorithms. Robotics and Computer-Integrated Manufacturing, 71:102131, October 2021. [ DOI<http://dx.doi.org/10.1016/j.rcim.2021.102131> ] [30] Ali Nadizadeh. Formulation and a heuristic approach for the orienteering location-routing problem. RAIRO - Operations Research, 55:S2055--S2069, 2021. [ DOI<http://dx.doi.org/10.1051/ro/2020058> ] [31] Rahimeh Neamatian Monemi, Shahin Gelareh, Anass Nagih, Nelson Maculan, and Kassem Danach. Multi-period hub location problem with serial demands: A case study of humanitarian aids distribution in Lebanon. Transportation Research Part E: Logistics and Transportation Review, 149:102201, May 2021. [ DOI<http://dx.doi.org/10.1016/j.tre.2020.102201> ] [32] Daniel Negrotto and Irene Loiseau. A branch & cut algorithm for the prize-collecting capacitated location routing problem. TOP, 29(1):34--57, January 2021. [ DOI<http://dx.doi.org/10.1007/s11750-020-00590-x> ] [33] Wenjun Ni, Jia Shu, Miao Song, Dachuan Xu, and Kaike Zhang. A branch-and-price algorithm for facility location with general facility cost functions. INFORMS Journal on Computing, 33(1):86--104, January 2021. [ DOI<http://dx.doi.org/10.1287/ijoc.2019.0921> ] [34] Cihat Öztürk, Gülfem Tuzkaya, and Serol Bulkan. Centrality based solution approaches for median-type incomplete hub location problems. Computers & Industrial Engineering, 156:107275, June 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2021.107275> ] [35] Luttiely Santos Oliveira and Ricardo Luiz Machado. Application of optimization methods in the closed-loop supply chain: a literature review. Journal of Combinatorial Optimization, 41(2):357--400, January 2021. [ DOI<http://dx.doi.org/10.1007/s10878-020-00677-y> ] [36] Venkatesh Pandiri and Alok Singh. A simple hyper-heuristic approach for a variant of many-to-many hub location-routing problem. Journal of Heuristics, 27(5):791--868, June 2021. [ DOI<http://dx.doi.org/10.1007/s10732-021-09477-x> ] [37] Sophie N. Parragh, Fabien Tricoire, and Walter J. Gutjahr. A branch-and-Benders-cut algorithm for a bi-objective stochastic facility location problem. OR Spectrum, 44(2):419--459, March 2021. [ DOI<http://dx.doi.org/10.1007/s00291-020-00616-7> ] [38] Mohsen Parsafard and Xiaopeng Li. Sensor location design for interdicting mobile travelers with probabilistic space-time trajectories. Transportation Research Part C: Emerging Technologies, 132:103420, November 2021. [ DOI<http://dx.doi.org/10.1016/j.trc.2021.103420> ] [39] Subramanian Pazhani, Abraham Mendoza, Ramkumar Nambirajan, T.T. Narendran, K. Ganesh, and Elias Olivares-Benitez. Multi-period multi-product closed loop supply chain network design: A relaxation approach. Computers & Industrial Engineering, 155:107191, May 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2021.107191> ] [40] Filippo Pecci, Ivan Stoianov, and Avi Ostfeld. Relax-tighten-round algorithm for optimal placement and control of valves and chlorine boosters in water networks. European Journal of Operational Research, 295(2):690--698, December 2021. [ DOI<http://dx.doi.org/10.1016/j.ejor.2021.03.004> ] [41] Justo Puerto, Federica Ricca, and Andrea Scozzari. Locating a discrete subtree of minimum variance on trees: New strategies to tackle a very hard problem. Discrete Applied Mathematics, 289:78--92, January 2021. [ DOI<http://dx.doi.org/10.1016/j.dam.2020.09.015> ] [42] Yingli Ran, Xiaohui Huang, Zhao Zhang, and Ding-Zhu Du. Approximation algorithm for minimum partial multi-cover under a geometric setting. Optimization Letters, 16(2):667--680, May 2021. [ DOI<http://dx.doi.org/10.1007/s11590-021-01746-9> ] [43] Luiza Bernardes Real, Ivan Contreras, Jean-François Cordeau, Ricardo Saraiva de Camargo, and Gilberto de Miranda. Multimodal hub network design with flexible routes. Transportation Research Part E: Logistics and Transportation Review, 146:102188, February 2021. [ DOI<http://dx.doi.org/10.1016/j.tre.2020.102188> ] [44] Rym Regaieg, Mohamed Koubàa, Zacharie Ales, and Taoufik Aguili. Multi-objective optimization for VM placement in homogeneous and heterogeneous cloud service provider data centers. Computing, 103(6):1255--1279, February 2021. [ DOI<http://dx.doi.org/10.1007/s00607-021-00915-z> ] [45] Shabnam Rekabi, Ali Ghodratnama, and Amir Azaron. Designing pharmaceutical supply chain networks with perishable items considering congestion. Operational Research, 22(4):4159--4219, September 2021. [ DOI<http://dx.doi.org/10.1007/s12351-021-00674-x> ] [46] Roger Z. Ríos-Mercado, Ada M. Álvarez Socarrás, Andrés Castrillón, and Mario C. López-Locés. A location-allocation-improvement heuristic for districting with multiple-activity balancing constraints and p-median-based dispersion minimization. Computers & Operations Research, 126:105106, February 2021. [ DOI<http://dx.doi.org/10.1016/j.cor.2020.105106> ] [47] Sebastian A. Rodriguez, Rodrigo A. De la Fuente, and Maichel M. Aguayo. A simulation-optimization approach for the facility location and vehicle assignment problem for firefighters using a loosely coupled spatio-temporal arrival process. Computers & Industrial Engineering, 157:107242, July 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2021.107242> ] [48] Borzou Rostami, Nicolas Kämmerling, Joe Naoum-Sawaya, Christoph Buchheim, and Uwe Clausen. Stochastic single-allocation hub location. European Journal of Operational Research, 289(3):1087--1106, March 2021. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.07.051> ] [49] Paul Rubin and Monica Gentili. An exact method for locating counting sensors in flow observability problems. Transportation Research Part C: Emerging Technologies, 123:102855, February 2021. [ DOI<http://dx.doi.org/10.1016/j.trc.2020.102855> ] [50] Prasanta K. Sahu, Babak Mehran, Surya P. Mahapatra, and Satish Sharma. Spatial data analysis approach for network-wide consolidation of bus stop locations. Public Transport, 13(2):375--394, March 2021. [ DOI<http://dx.doi.org/10.1007/s12469-021-00266-0> ] [51] Ahmed Saif and Erick Delage. Data-driven distributionally robust capacitated facility location problem. European Journal of Operational Research, 291(3):995--1007, June 2021. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.09.026> ] [52] Mostafa Salari, Lina Kattan, William H.K. Lam, Mohammad Ansari Esfeh, and Hao Fu. Modeling the effect of sensor failure on the location of counting sensors for origin-destination (OD) estimation. Transportation Research Part C: Emerging Technologies, 132:103367, November 2021. [ DOI<http://dx.doi.org/10.1016/j.trc.2021.103367> ] [53] Jesús Sánchez-Oro, Ana D. López-Sánchez, and J. Manuel Colmenar. A multi-objective parallel variable neighborhood search for the bi-objective obnoxious p-median problem. Optimization Letters, 16(1):301--331, January 2021. [ DOI<http://dx.doi.org/10.1007/s11590-020-01690-0> ] [54] Ece Sanci and Mark S. Daskin. An integer L-shaped algorithm for the integrated location and network restoration problem in disaster relief. Transportation Research Part B: Methodological, 145:152--184, March 2021. [ DOI<http://dx.doi.org/10.1016/j.trb.2021.01.005> ] [55] Teresa Schnepper, Kathrin Klamroth, Justo Puerto, and Michael Stiglmayr. A local analysis to determine all optimal solutions of p-k-max location problems on networks. Discrete Applied Mathematics, 296:217--234, June 2021. [ DOI<http://dx.doi.org/10.1016/j.dam.2020.05.013> ] [56] Shahrooz Shahparvari, Hamed Soleimani, Kannan Govindan, Behrooz Bodaghi, Mahshid Taherian Fard, and Hamid Jafari. Closing the loop: Redesigning sustainable reverse logistics network in uncertain supply chains. Computers & Industrial Engineering, 157:107093, July 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2020.107093> ] [57] Xiaoting Shang, Kai Yang, Bin Jia, and Ziyou Gao. Distributionally robust cluster-based hierarchical hub location problem for the integration of urban and rural public transport system. Computers & Industrial Engineering, 155:107181, May 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2021.107181> ] [58] Minhua Shao, Congcong Xie, and Lijun Sun. Optimization of network sensor location for full link flow observability considering sensor measurement error. Transportation Research Part C: Emerging Technologies, 133:103460, December 2021. [ DOI<http://dx.doi.org/10.1016/j.trc.2021.103460> ] [59] Ankit Sharma, Amit Kohar, Suresh Kumar Jakhar, and Sonia. Profit maximizing hub location problem in the airline industry under coopetition. Computers & Industrial Engineering, 160:107563, October 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2021.107563> ] [60] Karmel S. Shehadeh and Ece Sanci. Distributionally robust facility location with bimodal random demand. Computers & Operations Research, 134:105257, October 2021. [ DOI<http://dx.doi.org/10.1016/j.cor.2021.105257> ] [61] Vladimir Shenmaier. Linear-size universal discretization of geometric center-based problems in fixed dimensions. Journal of Combinatorial Optimization, 43(3):528--542, August 2021. [ DOI<http://dx.doi.org/10.1007/s10878-021-00790-6> ] [62] Jia Shu, Wenya Lv, and Qing Na. Humanitarian relief supply network design: Expander graph based approach and a case study of 2013 flood in Northeast China. Transportation Research Part E: Logistics and Transportation Review, 146:102178, February 2021. [ DOI<http://dx.doi.org/10.1016/j.tre.2020.102178> ] [63] Allyson Silva, Leandro C. Coelho, and Maryam Darvish. Quadratic assignment problem variants: A survey and an effective parallel memetic iterated tabu search. European Journal of Operational Research, 292(3):1066--1084, August 2021. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.11.035> ] [64] Allyson Silva, Daniel Aloise, Leandro C. Coelho, and Caroline Rocha. Heuristics for the dynamic facility location problem with modular capacities. European Journal of Operational Research, 290(2):435--452, April 2021. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.08.018> ] [65] V.F. Stienen, J.C. Wagenaar, D. den Hertog, and H.A. Fleuren. Optimal depot locations for humanitarian logistics service providers using robust optimization. Omega, 104:102494, October 2021. [ DOI<http://dx.doi.org/10.1016/j.omega.2021.102494> ] [66] Mahyar Taheri-Bavil-Oliaei, Seyed Hessameddin Zegordi, and Reza Tavakkoli-Moghaddam. Bi-objective build-to-order supply chain network design under uncertainty and time-dependent demand: An automobile case study. Computers & Industrial Engineering, 154:107126, April 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2021.107126> ] [67] Liangyan Tao, Sifeng Liu, Naiming Xie, and Saad Ahmed Javed. Optimal position of supply chain delivery window with risk-averse suppliers: A CVaR optimization approach. International Journal of Production Economics, 232:107989, February 2021. [ DOI<http://dx.doi.org/10.1016/j.ijpe.2020.107989> ] [68] Javad Tayyebi and Ali Reza Sepasian. Reverse 1-centre problem on trees under convex piecewise-linear cost function. Optimization, 72(3):843--860, oct 2021. [ DOI<http://dx.doi.org/10.1080/02331934.2021.1995730> ] [69] Danilo Tedeschi and Marina Andretta. New exact algorithms for planar maximum covering location by ellipses problems. European Journal of Operational Research, 291(1):114--127, May 2021. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.09.029> ] [70] Erfan Babaee Tirkolaee, Parvin Abbasian, and Gerhard-Wilhelm Weber. Sustainable fuzzy multi-trip location-routing problem for medical waste management during the COVID-19 outbreak. Science of The Total Environment, 756:143607, feb 2021. [ DOI<http://dx.doi.org/10.1016/j.scitotenv.2020.143607> ] [71] Richa Tiwari, Sachin Jayaswal, and Ankur Sinha. Competitive hub location problem: Model and solution approaches. Transportation Research Part B: Methodological, 146:237--261, April 2021. [ DOI<http://dx.doi.org/10.1016/j.trb.2021.01.012> ] [72] Richa Tiwari, Sachin Jayaswal, and Ankur Sinha. Alternate solution approaches for competitive hub location problems. European Journal of Operational Research, 290(1):68--80, April 2021. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.07.018> ] [73] Rafael D. Tordecilla, Angel A. Juan, Jairo R. Montoya-Torres, Carlos L. Quintero-Araujo, and Javier Panadero. Simulation-optimization methods for designing and assessing resilient supply chain networks under uncertainty scenarios: A review. Simulation Modelling Practice and Theory, 106:102166, January 2021. [ DOI<http://dx.doi.org/10.1016/j.simpat.2020.102166> ] [74] Cong Quoc Tran, Mehdi Keyvan-Ekbatani, Dong Ngoduy, and David Watling. Stochasticity and environmental cost inclusion for electric vehicles fast-charging facility deployment. Transportation Research Part E: Logistics and Transportation Review, 154:102460, October 2021. [ DOI<http://dx.doi.org/10.1016/j.tre.2021.102460> ] [75] Hasan Hüseyin Turan, Sanath Darshana Kahagalage, Fatemeh Jalalvand, and Sondoss El Sawah. A multi-objective simulation–optimization for a joint problem of strategic facility location, workforce planning, and capacity allocation: A case study in the Royal Australian Navy. Expert Systems with Applications, 186:115751, December 2021. [ DOI<http://dx.doi.org/10.1016/j.eswa.2021.115751> ] [76] Renata Turkeš, Kenneth Sörensen, and Daniel Palhazi Cuervo. A matheuristic for the stochastic facility location problem. Journal of Heuristics, 27(4):649--694, February 2021. [ DOI<http://dx.doi.org/10.1007/s10732-021-09468-y> ] [77] I. L. Vasilyev and A. V. Ushakov. Discrete facility location in machine learning. Journal of Applied and Industrial Mathematics, 15(4):686--710, November 2021. [ DOI<http://dx.doi.org/10.1134/s1990478921040128> ] [78] Amit Kumar Vatsa and Sachin Jayaswal. Capacitated multi-period maximal covering location problem with server uncertainty. European Journal of Operational Research, 289(3):1107--1126, March 2021. [ DOI<http://dx.doi.org/10.1016/j.ejor.2020.07.061> ] [79] Miguel E. Vázquez-Méndez, Gerardo Casal, Alberte Castro, and Duarte Santamarina. Optimization of an urban railway bypass. a case study in A Coruña-Lugo line, Northwest of Spain. Computers & Industrial Engineering, 151:106935, January 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2020.106935> ] [80] Marilis Bahr Karam Venceslau, Helder Manoel Venceslau, Renan Vicente Pinto, Gustavo Dias, and Nelson Maculan. A new penalty/stochastic approach to an application of the covering problem: The gamma knife treatment. RAIRO - Operations Research, 55:S787--S810, 2021. [ DOI<http://dx.doi.org/10.1051/ro/2020016> ] [81] Antonio J. Moreno Verdejo, Abraham López Viveros, and Rafael Ramirez Uclés. Statistical significance of the median of a set of points on the plane. 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Network design for maximizing service satisfaction of suppliers and customers under limited budget for industry innovator fourth-party logistics. Computers & Industrial Engineering, 158:107404, August 2021. [ DOI<http://dx.doi.org/10.1016/j.cie.2021.107404> ] [86] Hua Wang, Qiang Meng, Jing Wang, and De Zhao. An electric-vehicle corridor model in a dense city with applications to charging location and traffic management. Transportation Research Part B: Methodological, 149:79--99, July 2021. [ DOI<http://dx.doi.org/10.1016/j.trb.2021.04.015> ] [87] Jing Wang, Jianping Cai, Xiaohang Yue, and Nallan C. Suresh. Pre-positioning and real-time disaster response operations: Optimization with mobile phone location data. Transportation Research Part E: Logistics and Transportation Review, 150:102344, June 2021. [ DOI<http://dx.doi.org/10.1016/j.tre.2021.102344> ] [88] Sheng-Chuan Wang and Ta-Cheng Chen. 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EWGLA 2025: Early registration
by EWGLA2025 01 Apr '25

01 Apr '25

Dear colleagues, We are pleased to announce that early registration for EWGLA 2025 is now open. Please remember the following important dates: Early registration deadline: April 30, 2025. Late registration deadline: June 30, 2025. Detailed information on the registration process can be found at https://ewgla2025.uca.es/registration/ [ https://ewgla2025.uca.es/registration ]. Don't miss the opportunity to attend EWGLA 2025. We look forward to seeing you in Jerez! Best regards, EWGLA 2025 Universidad de Cádiz [ http://www.uca.es/ ] The 30th EWGLA Organizing Committee Web [ https://ewgla2025.uca.es/ ]Twitter [ https://x.com/ewgla2025 ]

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