International Transactions in Operational Research最新文献

Clustering nodes in Internet of Things environments with time and energy constraints: a multiobjective optimization formulation for the gateway placement problem in LoRaWAN® networks 具有时间和能量约束的物联网环境中的节点聚类：LoRaWAN®网络中网关放置问题的多目标优化公式

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2025-07-31 DOI: 10.1111/itor.70078

Javier Marenco, Matias Micheletto, Rodrigo Santos

{"title":"Clustering nodes in Internet of Things environments with time and energy constraints: a multiobjective optimization formulation for the gateway placement problem in LoRaWAN® networks","authors":"Javier Marenco, Matias Micheletto, Rodrigo Santos","doi":"10.1111/itor.70078","DOIUrl":"https://doi.org/10.1111/itor.70078","url":null,"abstract":"The Internet of Things (IoT) has become the leading technology to support smart environments, with a growing set of applications being devised to provide intelligence in different scenarios. Precision agriculture, Industry 4.0, sustainable smart cities, and smart homes are just some of the more active areas in which the IoT is gaining space. The use of hierarchical networks in which the last mile is used to interconnect end-devices with gateways in charge of routing messages to and from the Internet is the most accepted network architecture. When messages have time constraints and nodes operate on batteries, the network organization should consider the cost of gateways, the total energy demand, the bandwidth utilization, and the satisfaction of time constraints. Planning the operation of such a network gives rise to a multi-objective optimization problem, which is considered in this work. This paper presents three main contributions: (i) a proof of the NP-hardness of this problem, (ii) an integer linear programming formulation for this problem, and (iii) a greedy heuristic and a multi-objective genetic framework for this problem. An extensive computational experimentation is presented, including an analysis of the Pareto front, a comparison between the proposed methods, and a performance evaluation of the greedy heuristic for large instances. According to our computational experiments, the greedy heuristic is able to approximate the Pareto front with small running times and memory footprints.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"1097-1137"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149206065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Online direct-to-consumer channel introducing and ordering strategies of fresh supply chain considering disruption risks and yield constraints 考虑中断风险和收益约束的生鲜供应链在线直销渠道引入及订购策略

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2026-04-21 DOI: 10.1111/itor.70195

Yibao Wang, Bin Dan, Ting Lei, Zhenjiang Chen, Yu Ding

{"title":"Online direct-to-consumer channel introducing and ordering strategies of fresh supply chain considering disruption risks and yield constraints","authors":"Yibao Wang, Bin Dan, Ting Lei, Zhenjiang Chen, Yu Ding","doi":"10.1111/itor.70195","DOIUrl":"https://doi.org/10.1111/itor.70195","url":null,"abstract":"The rise of online direct-to-consumer (DTC) channels expands fresh producers’ distribution networks while intensifying competition with traditional retail channels. Meteorological disasters threaten the DTC channel's reliability, dynamically reshaping the coopetition between fresh producers and retailers. This study develops a theoretical framework to examine strategic interactions within a fresh supply chain, comparing a traditional monopoly model with an integrated distribution system that incorporates both DTC and traditional retail channels. Disruption risks and yield constraints faced by producers are considered. The findings suggest producers should introduce DTC channels during yield contraction but exercise caution in surplus periods. Despite disruption risks, DTC channels pressure retailers to accept higher wholesale prices and increase orders, enhancing the sales revenue of fresh produce with limited yield. However, rising disruption probabilities incentivize retailers to reduce order quantities strategically, leading to a higher risk of stagnation for fresh produce.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"1212-1244"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149206109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Heuristic approaches for a new variant of the team orienteering problem 团队定向问题新变体的启发式方法

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2026-07-20 DOI: 10.1111/itor.70221

Alberto Guastalla, Roberto Aringhieri, Pierre Hosteins

引用次数: 0

Evaluation of drone system for thinning operations–a case study in Sweden 无人机系统在减薄作业中的评估——以瑞典为例

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2026-02-05 DOI: 10.1111/itor.70168

Mikael Rönnqvist, Patrik Flisberg, Gert Andersson, Petrus Jönsson

{"title":"Evaluation of drone system for thinning operations–a case study in Sweden","authors":"Mikael Rönnqvist, Patrik Flisberg, Gert Andersson, Petrus Jönsson","doi":"10.1111/itor.70168","DOIUrl":"https://doi.org/10.1111/itor.70168","url":null,"abstract":"Thinning operations in forestry typically involve a two-machine system (TMS) with a harvester and a forwarder. Its productivity in different forest conditions is well documented. To date, drones have been used for data collection and surveillance but not as an alternative to a TMS. Drone systems are now being developed for thinning operations for removal of smaller trees, but little is known about their productivity and configuration. Two important advantages of drone systems are reduced soil damage and CO2 emissions. We propose an evaluation approach that describes drone systems in detail and enables a direct comparison with a standard TMS. This approach is then tested on a large case study comprising 1171 harvest areas with diverse characteristics with regard to, for example, flying and forwarding distance, wetness, and steepness defined through detailed digital terrain models. We perform sensitivity analyses on a set of drone system configurations regarding the number of drones, battery system, system parameters, automation level, CO2 tax level, and soil damage cost. The results show that the drone system requires less energy, but with no automation and only four drones in a system, the TMS system is more competitive in virtually all harvest areas. However, with eight drones in a system and a higher automation level, the drone system is competitive in up to 50% of the harvest areas. This figure increases if a CO2 tax and a cost related to soil damage are included.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"760-790"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/itor.70168","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149205293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impacts of a global energy crisis on supply chain performance, ripple effects, and viability 全球能源危机对供应链绩效、连锁反应和可行性的影响

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2026-05-20 DOI: 10.1111/itor.70209

Dmitry Ivanov

{"title":"Impacts of a global energy crisis on supply chain performance, ripple effects, and viability","authors":"Dmitry Ivanov","doi":"10.1111/itor.70209","DOIUrl":"https://doi.org/10.1111/itor.70209","url":null,"abstract":"We simulate impacts of a global energy crisis on supply chains (SCs). First, we articulate the specific features that frame a global energy crisis as a unique type of SC large-scale systemic shocks characterized by a long-term disruption existence, disruption propagations (i.e., the ripple effect), a combination of immediate and delayed effects, cross-industry ripple effects, and mutual interrelations of SC and economic impacts. Second, we demonstrate how simulation-based methodology can be used to examine and predict the impacts of global energy crises on SC performance using the example of the Strait of Hormuz blockage and anyLogistix software. The major observation from the simulation experiments is that global energy crisis impacts resemble the COVID-19 pandemic patterns and ripple effects in 2020–2022 with reduced logistics capacities, delivery delays, and production shutdowns, supplemented by inflation effects observed in tariff turbulences in 2025. Other important factors influencing the shock impacts and propagation mechanisms are the duration of the energy crisis and SC viability. We observe that viable SCs with greater variety in production, supply, logistics, and energy structures are better able to absorb shocks. The outcomes of this research can be used by decision-makers to predict the operational and long-term impacts of global energy crises on SCs and to develop viability strategies. Our models are readily available to be used in practice for SC stress testing. They offer recommendations on proactively building adaptability and reconfiguring in response to disruptions to survive in a world without a reliable energy supply, incorporating large-scale systemic shocks into operational models.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"738-759"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/itor.70209","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149206170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Bridging the implementation gap in MCABC inventory management: from a taxonomy to practical archetypes 弥合MCABC库存管理中的实现差距：从分类法到实际原型

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2025-08-05 DOI: 10.1111/itor.70083

Lukas Grützner, Michael H. Breitner

{"title":"Bridging the implementation gap in MCABC inventory management: from a taxonomy to practical archetypes","authors":"Lukas Grützner, Michael H. Breitner","doi":"10.1111/itor.70083","DOIUrl":"https://doi.org/10.1111/itor.70083","url":null,"abstract":"Despite increasing demands for resilient and sustainable supply chains, inventory management often relies on outdated single-criterion analyses. While multi-criteria ABC (MCABC) analyses provide a theoretically mature assessment of resilience-sustainability-benefit trade-offs in inventory, their adoption remains limited due to fragmented methodologies, lack of standardization, and unclear design guidance. This study addresses this gap by developing a taxonomy of eight dimensions and 25 characteristics to structure the MCABC analysis design space. Using a dataset of 108 configurations, cluster analysis identifies six recurring archetypes that serve as implementation-ready templates for inventory analysis. Archetype 2: artificial intelligence (AI)+-driven cluster minimalist enables rapid, cost-focused inventory structuring with minimal data and no expert input. In contrast, Archetype 1: AI+-driven complex ranker uses expert-weighted multi-criteria analysis to support holistic and sustainability oriented inventory strategies. The taxonomy and archetypes provide a unified framework for researchers to theorize inventory design trade-offs and for practitioners to apply scalable blueprints for mature inventory analyses.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"1172-1211"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/itor.70083","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149205292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimization of structural assembly scheduling in the aeronautics industry 航空工业结构装配调度优化

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2026-06-02 DOI: 10.1111/itor.70214

Bruno Jensen Virginio da Silva, Mateus Martin, Reinaldo Morabito, Vitoria Pureza

{"title":"Optimization of structural assembly scheduling in the aeronautics industry","authors":"Bruno Jensen Virginio da Silva, Mateus Martin, Reinaldo Morabito, Vitoria Pureza","doi":"10.1111/itor.70214","DOIUrl":"https://doi.org/10.1111/itor.70214","url":null,"abstract":"In the aeronautical industry, structural assembly refers to the stage in which parts, subassemblies, and main aircraft structures are fitted together, forming aerostructures. Aircraft structural assembly requires many complex activities to be performed over an intricate precedence network and is subject to interactions among the various production resources, which makes planning and scheduling challenging to be carried out without the support of adequate analytical tools. In this paper, we propose optimization approaches based on integer linear programming (ILP) and constraint programming (CP) models designed to support scheduling decisions in aircraft structural assembly, explicitly integrating shift-based workforce planning by deciding the number of workers by type assigned to each work shift over the planning horizon. The computational experiments, conducted with real data collected in a case study at a Brazilian aeronautical company, reveal that the proposed ILP and CP models, along with general-purpose solvers, are effective in solving realistic-sized instances. The results of both approaches show the potential to generate optimized solutions for aeronautical structural assembly scheduling in practice.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"822-846"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/itor.70214","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149205424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An effective and efficient matheuristic for the electric vehicle routing problem with capacitated recharging stations 带充电站的电动汽车路径问题的一种有效的数学求解方法

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2025-09-23 DOI: 10.1111/itor.70104

Maurizio Bruglieri, Daniele Ferone, Paola Festa, Ornella Pisacane

{"title":"An effective and efficient matheuristic for the electric vehicle routing problem with capacitated recharging stations","authors":"Maurizio Bruglieri, Daniele Ferone, Paola Festa, Ornella Pisacane","doi":"10.1111/itor.70104","DOIUrl":"https://doi.org/10.1111/itor.70104","url":null,"abstract":"In this paper, we address the problem of routing a fleet of electric vehicles (EVs) to serve a set of customers, geographically distributed, within their time windows. We assume that EVs may also be recharged en route, and the amount of energy recharged at a recharging station (RS) is a decision variable itself, that is, partial recharges are allowed. We also assume that each RS has a limited number of chargers, and, therefore, possible overlaps at RSs among EVs have to be properly managed. We formulate the resulting electric vehicle routing problem with time windows and capacitated recharging stations (EVRPTW-CRS) through mixed integer linear programming (MILP). Given the hardness of the EVRPTW-CRS, we design a MILP-based adaptive large neighborhood search. A result comparison with the state-of-the-art exact algorithm shows both the effectiveness and the efficiency of the proposed matheuristic, on a set of benchmark instances, considering both a linear and a piecewise-linear recharging function. An extensive sensitivity analysis on possible variation of some critical parameters is also carried out.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"889-913"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/itor.70104","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149205972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing second-price auctions for parcel exchanges in last-mile logistics 评估最后一英里物流中包裹交换的第二价格拍卖

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2026-06-19 DOI: 10.1111/itor.70222

Christian Truden, Margaretha Gansterer

{"title":"Assessing second-price auctions for parcel exchanges in last-mile logistics","authors":"Christian Truden, Margaretha Gansterer","doi":"10.1111/itor.70222","DOIUrl":"https://doi.org/10.1111/itor.70222","url":null,"abstract":"The rapid growth of e-commerce has led to multiple carriers operating in the same regions, creating opportunities for collaboration. However, logistics companies typically operate independently, leading to inefficiencies. Horizontal cooperation, where carriers share resources and infrastructure, can improve efficiency and reduce costs. This study explores the requirements for a parcel exchange framework through a game-theoretic lens. We focus on auction-based mechanisms to facilitate horizontal cooperation, optimize exchanges, and minimize delivery costs and emissions. Our approach prioritizes ensuring that carriers report accurate marginal delivery costs while maintaining business privacy. First, we define the key properties of an exchange mechanism for redistributing parcels among carriers. Our analysis reveals a conflict between incentive compatibility and budget balance when non-free disposal is enforced. Among the mechanisms considered, the Vickrey–Clarke–Groves (VCG) mechanism is the most suitable, though it tends to overpay carriers. The rationale for using VCG is that we consider incentive compatibility and allocation of all parcels more important than budget balance to ensure long-term participation of carriers and delivery fulfillment. In a computational study, we analyze a VCG-based parcel exchange under realistic settings. The experiment considers several parcel carriers within a region with heterogeneous market shares. In the simulated auctions, carriers compute marginal costs for the parcels, and the winner determination problem is solved via a linear program. A random parcel assignment serves as proxy for noncooperative behavior. The results demonstrate that second-price premium reward payments are typically moderate and that second-price compensation for allocated parcels remains superior to noncooperative last-mile parcel logistics.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"1040-1071"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/itor.70222","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149206164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The hub location and pricing problem under a tree topology: a bilevel formulation and a co-evolutionary algorithm 树拓扑下的集线器定位与定价问题：一种双层公式与协同进化算法

IF 3.5 4区管理学

International Transactions in Operational Research Pub Date : 2026-10-17 Epub Date: 2026-06-25 DOI: 10.1111/itor.70224

Víctor Blanco, José-Fernando Camacho-Vallejo, Carlos Corpus

{"title":"The hub location and pricing problem under a tree topology: a bilevel formulation and a co-evolutionary algorithm","authors":"Víctor Blanco, José-Fernando Camacho-Vallejo, Carlos Corpus","doi":"10.1111/itor.70224","DOIUrl":"https://doi.org/10.1111/itor.70224","url":null,"abstract":"This paper introduces the bilevel tree-of-hubs location and pricing problem, a multiple-allocation hub location problem in which both the design and pricing of a tree-shaped hub backbone network are determined. Two types of decision-makers are considered: a leader, who defines the network structure and sets usage prices, and a follower, who selects the optimal way to use the network for shipping commodities. The leader aims to maximize profit, while the follower seeks to minimize transportation costs. A bilevel optimization formulation is proposed and reformulated into a single-level equivalent model. To solve it efficiently, we develop a Co-Evolutionary Algorithm (Co-EA) and test it on three well-known datasets adapted to our problem. The novelty of the proposed Co-EA lies in the interaction between its co-evolving populations: rather than representing leader and follower solutions separately, each population is associated with a subset of the leader's decision variables. For each leader decision, the follower's optimal response is computed, ensuring bilevel feasibility. Extensive computational experiments demonstrate the effectiveness of the proposed Co-EA compared with general-purpose solvers applied to the reformulated model. The best Co-EA solutions are also used as warm-starts for the exact solver, confirming the quality of the heuristic results. Finally, managerial insights are derived regarding how the number of hubs affects the backbone network configuration. The paper concludes with directions for future research on bilevel hub location and pricing models.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"34 2","pages":"847-888"},"PeriodicalIF":3.5,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149206115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0