Computers & Operations Research

Article	Citations
A multi-algorithm approach for operational human resources workload balancing in a last mile urban delivery system	450
A Graph Reinforcement Learning Framework for Neural Adaptive Large Neighbourhood Search	146
Novel mathematical formulations for parallel-batching processing machine scheduling problems	119
Optimizing price, order quantity, and backordering level using a nonlinear holding cost and a power demand pattern	112
Editorial Board	99
Editorial Board	85
Addendum to “FPBH: A feasibility pump based heuristic for multi-objective mixed integer linear programming” [Comput. Oper. Res. 112 (2019) 104760]	83
Arc routing with trip-balancing and attractiveness measures — A waste collection case study	79
Using machine learning to identify hidden constraints in vehicle routing problems	75
Logic-based Benders decomposition with a partial assignment acceleration technique for avionics scheduling	74
Effective constructive heuristics for distributed no-wait flexible flow shop scheduling problem	71
ILS-based algorithms for the profit maximizing uncapacitated hub network design problem with multiple allocation	64
VNSMAS: A constraint-based portfolio profit maximization	61
Integrated packing and routing: A model and its solutions	59
Multi-objective shipment consolidation and dispatching problem	58
A slope scaling heuristic for the multi-period strategic planning of carbon capture and storage	56
Collaborative optimization of last-train timetables for metro network to increase service time for passengers	55
Hybrid genetic search for the traveling salesman problem with hybrid electric vehicle and time windows	52
On some lower bounds for the permutation flowshop problem	52
An investigation of nature inspired algorithms on a particular vehicle routing problem in the presence of shift assignment	51
Time window optimization for attended home service delivery under multiple sources of uncertainties	51
Offline approximate value iteration for dynamic solutions to the multivehicle routing problem with stochastic demand	50
Home healthcare staff dimensioning problem for temporary caregivers: A matheuristic solution approach	50
A proactive aircraft recovery approach based on airport spatiotemporal network supply and demand coordination	50
A logic-based Benders decomposition solution approach for two covering problems that consider the underlying transportation	50

Sequential customers’ decisions in facility location with comparison-shopping	49
Digital twin-enabled dynamic scheduling with preventive maintenance using a double-layer Q-learning algorithm	49
Reducing disease spread through optimization: Limiting mixture of the population is more important than limiting group sizes	47
Stochastic production routing problem for perishable products: Modeling and a solution algorithm	47
Branch-and-price algorithms for large-scale mission-oriented maintenance planning problems	47
Decentralized online integer programming problems with a coupling cardinality constraint	46
Q-learning based hyper-heuristic with clustering strategy for combinatorial optimization: A case study on permutation flow-shop scheduling problem	46
Stochastic inventory routing with dynamic demands and intra-day depletion	44
Manufacturing rescheduling after crisis or disaster-caused supply chain disruption	44
Approximate Condorcet Partitioning: Solving large-scale rank aggregation problems	44
Coordinating visit interval and safety stock decisions in a two-level supply chain with shelf-life considerations	43
MILP-based local search procedures for minimizing total tardiness in the No-idle Permutation Flowshop Problem	43
Logic-based Benders decomposition for bi-objective parallel machine selection and job scheduling with release dates and resource consumption	41
Intra-facility equity in discrete and continuous p-facility locati	40
A genetic algorithm to solve the production lot-sizing problem with capacity adjustment	39
Selection hyper-heuristics for the multi and many-objective quadratic assignment problem	39
Scheduling jobs with shared additional operations on parallel identical machines	38
High quality timetables for Italian schools	38
Parallel branch-and-price algorithms for the single machine total weighted tardiness scheduling problem with sequence-dependent setup times	38
Models and algorithms for configuring and testing prototype cars	38
A risk index model for uncertain portfolio selection with background risk	37
Exact algorithms for a parallel machine scheduling problem with workforce and contiguity constraints	37
Two-stage multi-neighborhood simulated annealing for uncapacitated examination timetabling	37
A graph theoretic approach to non-anticipativity constraint generation in multistage stochastic programs with incomplete scenario sets	37
The pollution-routing problem with speed optimization and uneven topography	37
Feature and functional form selection in additive models via mixed-integer optimization	36
An efficient optimisation procedure for the Workforce Scheduling and Routing Problem: Lagrangian relaxation and iterated local search	36
Efficient arc-flow formulations for makespan minimisation on parallel machines with a common server	36
Editorial Board	36
Batch processing machine scheduling problems using a self-adaptive approach based on dynamic programming	35
An ALNS metaheuristic for the family multiple traveling salesman problem	35
Hybrid-biased genetic algorithm for packing unequal rectangles into a fixed-size circle	34
A threshold search based memetic algorithm for the disjunctively constrained knapsack problem	34
Benders decomposition applied to profit maximizing hub location problem with incomplete hub network	34
Revisiting the development trajectory of parallel machine scheduling	34
Managing hospital inpatient beds under clustered overflow configuration	33
A reinforcement learning guided hybrid evolutionary algorithm for the latency location routing problem	33
Metaheuristics for the bi-objective resource-constrained project scheduling problem with time-dependent resource costs: An experimental comparison	33
Project scheduling cost optimization based on resource transfer costs and robustness	33
The integrated on-demand bus routing problem: Combining on-demand buses with a high-frequency fixed line public transport network	32
A variable neighborhood search-based algorithm with adaptive local search for the Vehicle Routing Problem with Time Windows and multi-depots aiming for vehicle fleet reduction	31
A hub-and-spoke network design for relocating emergency service vehicles	31
A multi-objective linear programming model for scheduling part families and designing a group layout in cellular manufacturing systems	30
A hybrid metaheuristic for smart waste collection problems with workload concerns	30
Collaborative optimization of routing and storage strategy of multi-period multimodal transport in an uncertain environment	30
A strategic oscillation simheuristic for the Time Capacitated Arc Routing Problem with stochastic demands	30
Minimizing the makespan on two parallel machines with a common server in charge of loading and unloading operations	30
An exact two-phase approach to re-optimize tours in home care planning	29
Editorial Board	29
Heterogeneous fleet management for one-way electric carsharing system with optional orders, vehicle relocation and on-demand recharging	29

A heuristic approach for the integrated production–transportation problem with process flexibility	29
Optimal sequencing using a scheduling heuristic	29
Branch-and-refine for solving time-expanded MILP formulations	29
Rectangle packing with a recursive Pilot Method	28
Symmetric projection group approach for promoting homogeneity in the analytic hierarchy process	28
Optimization of a stochastic joint replenishment inventory system with service level constraints	28
Optimal area polygonization problems: Exact solutions through geometric duality	28
Editorial Board	28
Data-driven project portfolio selection: Decision-dependent stochastic programming formulations with reliability and time to market requirements	28
Location and routing of armed Unmanned Aerial Vehicles and carrier platforms against mobile targets	27
Compact integer linear programming formulations for the temporal bin packing problem with fire-ups	27
Optimisation of steel rolling schedule based on evolutionary multi-tasking transfer algorithm	27
Fleet and charging infrastructure decisions for fast-charging city electric bus service	27
Editorial Board	27
A fast algorithm for quadratic resource allocation problems with nested constraints	27
Improving energy aware nanosatellite task scheduling by a branch-cut-and-price algorithm	27
On serial and parallel evaluation functions for Job Sequencing and Tool Switching problems	27
Multi-objective flexible job shop scheduling based on feature information optimization algorithm	27
Lexicographic optimization-based approaches to learning a representative model for multi-criteria sorting with non-monotonic criteria	26
Exact and approximate heuristics for the rectilinear Weber location problem with a line barrier	26
A hybrid genetic algorithm based on a two-level hypervolume contribution measure selection strategy for bi-objective flexible job shop problem	26
An implementor-adversary approach for uncertain and time-correlated service times in the nurse-to-patient assignment problem	26
Multistage adaptive robust optimization for the hydrothermal scheduling problem	26
Closed-loop supply chain network design with price-greenness-sensitive demand: A distributionally robust chance-constrained optimization approach	25
Editorial Board	25
Multistage adaptive distributionally robust optimization for the medical supplies distribution problem with uncertain demand in humanitarian aid	25
Data-driven integrated home service staffing and capacity planning: Stochastic optimization approaches	25
Benders decomposition algorithms for minimizing the spread of harmful contagions in networks	25
Efficient iterative optimization to real-time train regulation in urban rail transit networks combined with Benders decomposition method	25
Solving the 1-median problem on a network with continuous demand and demand surplus	25
Revenue optimization in energy networks involving self-scheduled demand and a smart grid	25
Scheduling identical serial-batching machines in the engine manufacturing supply chain by an integrated variable neighborhood search algorithm	25
A feature correlation reinforce clustering and evolutionary algorithm for the green bike-sharing reposition problem	25
Heuristic and metaheuristic procedures for the buffer sizing problem in parallel assembly lines balancing problem with multi-line workstations and different cycle times	24
Heuristic and metaheuristic procedures for the Parallel Assembly Lines Balancing Problem with multi-line workstations and buffer sizing	24
Robustness evaluation of trust and reputation systems using a deep reinforcement learning approach	24
A hybrid algorithm for the Vehicle Routing Problem with AND/OR Precedence Constraints and time windows	24
Robust optimization for lot-sizing problems under yield uncertainty	23
Off-line approximate dynamic programming for the vehicle routing problem with a highly variable customer basis and stochastic demands	23
An improved genetic algorithm for the integrated satellite imaging and data transmission scheduling problem	23
Two-echelon collaborative routing problem with heterogeneous crowd-shippers	23
Automatic generation of algorithms for robust optimisation problems using Grammar-Guided Genetic Programming	23
Multi- and many-objective path-relinking: A taxonomy and decomposition approach	23
An improved decomposition-based heuristic for truck platooning	22
Collaborative vehicle-drone distribution network optimization for perishable products in the epidemic situation	22
New method for solving Ivanov regularization-based support vector machine learning	22
A branch-cut-and-price approach for the two-echelon vehicle routing problem with drones	22
The container premarshalling problem under limited crane time: A constraint programming approach	22
Model and metaheuristic for human–robot collaboration assembly line worker assignment and balancing problem	22
The ethical shortlisting problem	22
Location and two-echelon inventory network design with economies and diseconomies of scale in facility operating costs	22
Editorial Board	22
A decomposition approach for the stochastic asset protection problem	22
Robust optimization for the electric vehicle pickup and delivery problem with time windows and uncertain demands	21
Flexible electricity market clearing zones	21
Solving the Capacitated Dispersion Problem with variable neighborhood search approaches: From basic to skewed VNS	21
Epsilon Oscillation Algorithm for the bi-objective green identical parallel machine scheduling problem	21
The aquaculture service vessel routing problem with time dependent travel times and synchronization constraints	21
Vehicle routing problem for omnichannel retailing including multiple types of time windows and products	21
The exam location problem: Mathematical formulations and variants	21
A new composite heuristic to minimize the total tardiness for the single machine scheduling problem with variable and flexible maintenance	21
Minimum cost consensus model considering dual behavior preference	21
Integer programming approaches to the multiple team formation problem	21
Simultaneous predictive maintenance and inventory policy in a continuously monitoring system using simulation optimization	21
Heuristic algorithm for nested Markov decision process: Solution quality and computational complexity	21
A numerical optimization approach for pricing components in customer defined bundles in a B2B market	21
Fair allocation of personal protective equipment to health centers during early phases of a pandemic	21
Approximation algorithms for job scheduling with block-type conflict graphs	21
Railway disruption management: Designing bus bridging services under uncertainty	20
A comparison of alternative models for solving a non-linear single plant Hydro Unit Commitment problem	20
A modified variable neighborhood search algorithm for dynamic lot-sizing with supplier selection under varying delivery time quotation	20
The Impact of Partial Production Capacity Sharing via Production as a Service	20
A hybrid genetic algorithm for the min–max Multiple Traveling Salesman Problem	20
Automatic design of constructive heuristics for a reconfigurable distributed flowshop group scheduling problem	20
Benders decomposition for the large-scale probabilistic set covering problem	20
Editorial Board	20
Erratum to “Benders decomposition for a period-aggregated resource leveling problem with variable job duration” [Comput. Oper. Res. 132 (2021) 105258]	20
The low-carbon vehicle routing problem with dynamic speed on steep roads	20
A robust ordered weighted averaging loss model for portfolio optimization	20
Benders decomposition for a period-aggregated resource leveling problem with variable job duration	20

Editorial Board	20
A MaxSAT approach for solving a new Dynamic Discretization Discovery model for train rescheduling problems	19
Chance constrained unit commitment approximation under stochastic wind energy	19
Newton-based approach to solving K-SVCR and Twin-KSVC multi-class classification in the primal space	19
Strip based compact formulation for two-dimensional guillotine cutting problems	19
An efficient iterated local search for the minimum quasi-clique partitioning problem	19
Faster Maximum Feasible Subsystem solutions for dense constraint matrices	19
A constraint programming-based iterated greedy algorithm for the open shop with sequence-dependent processing times and makespan minimization	19
The continuous delayed distribution problem	19
Hub location problem considering spoke links with incentive-dependent capacities	18
UAV routing for reconnaissance mission: A multi-objective orienteering problem with time-dependent prizes and multiple connections	18
An algorithm for the microaggregation problem using column generation	18
Towards green manufacturing: Co-optimizing capacity expansion planning of production and renewable energy generation with endogenous uncertainty	18
The vehicle routing problem with drones and drone speed selection	18
Minimizing passenger waiting time in the multi-route bus fleet allocation problem through distributionally robust optimization and reinforcement learning	18
Multistage robust discrete optimization via quantified integer programming	18
A simheuristic algorithm for the portfolio optimization problem with random returns and noisy covariances	18
A graph-based constraint programming approach for the integrated process planning and scheduling problem	18
A branch-and-bound algorithm for the proactive resource-constrained project scheduling problem with a robustness maximization objective	18
Dock assignment and truck scheduling problem; consideration of multiple scenarios with resource allocation constraints	18
Designing a portfolio-based closed-loop supply chain network for dairy products with a financial approach: Accelerated Benders decomposition algorithm	18
A multi-tiered vehicle routing problem with global cross-docking	18
The effect of different mathematical formulations on a matheuristic algorithm for the production routing problem	18
Reducing the feasible solution space of resource-constrained project instances	18
Multi-period hub location problem considering polynomial time-dependent demand	18
Dynamic parcel pick-up routing problem with prioritized customers and constrained capacity via lower-bound-based rollout approach	18
A survey of adaptive large neighborhood search algorithms and applications	18
A family of hybrid conjugate gradient method with restart procedure for unconstrained optimizations and image restorations	17
Stochastic mixed-integer programming for a spare parts inventory management problem	17
Perishable inventory control with backlogging penalties: A mixed-integer linear programming model via two-step approximation	17
A Large Neighbourhood Search Algorithm for Solving Container Loading Problems	17
Interval scheduling with economies of scale	17
An improved MOEA/D for multi-objective flexible job shop scheduling by considering efficiency and cost	17
Balancing U-type assembly lines with human–robot collaboration	17
Verifying new instances of the multidemand multidimensional knapsack problem with instance space analysis	17
A branch-and-cut-and-price algorithm for shared mobility considering customer satisfaction	17
A reduced variable neighborhood search for the just in time job shop scheduling problem with sequence dependent setup times	17
Two-echelon supply chain network design with trade credit	17
Reentrant open shop scheduling problem with time lags and no-wait constraints	17
Integrated lot sizing and blending problems	17
Editorial Board	17
Exact method to optimize the total electricity cost in two-machine permutation flow shop scheduling problem under Time-of-use tariff	17
A relax-and-fix and fix-and-optimize algorithm for a Maritime Inventory Routing Problem	17
A unified exact approach for Clustered and Generalized Vehicle Routing Problems	16
The Ordered Median Tree Location Problem	16
An exact algorithm for the preemptive single machine scheduling of equal-length jobs	16
A combinatorial optimization approach to scenario filtering in portfolio selection	16
The static ridesharing routing problem with flexible locations: A Norwegian case study	16
Solving binary-constrained mixed complementarity problems using continuous reformulations	16
Project scheduling to minimize the makespan under flexible resource profiles and marginal diminishing returns of the resource	16
Improving the efficiency of patient diagnostic specimen collection with the aid of a multi-modal routing algorithm	16
Adaptive large neighborhood search for drayage routing problems involving longer combination vehicles	16
A discrete-event simulation model for the Bitcoin blockchain network with strategic miners and mining pool managers	16
Solution algorithms for dock scheduling and truck sequencing in cross-docks: A neural branch-and-price and a metaheuristic	16
Online optimisation for ambulance routing in disaster response with partial or no information on victim conditions	16
Robust MILP formulations for the two-stage weighted vertex p-cente	16
A new mixed integer programming approach for inverse correspondence analysis	16
Shore hydrogen deployment problem in green ports	16
Distributionally robust chance-constrained kernel-based support vector machine	16
Stochastic resource leveling in projects with flexible structures	15
An iteratively doubling binary search for the two-dimensional irregular multiple-size bin packing problem raised in the steel industry	15
A variable neighborhood search for parcel delivery by vehicle with drone cycles	15
Using VRPSolver to efficiently solve the Differential Harvest Problem	15
A fuzzy correlation based heuristic for Dual-mode integrated Location routing problem	15
Self-adaptive randomized constructive heuristics for the multi-item capacitated lot sizing problem	15
A two-stage integer programming model considering transaction equivalence for privacy preservation	15
A comparative cost assessment of coalescing epidemic control strategies in heterogeneous social-contact networks	15
Dynamic community partitioning for e-commerce last mile delivery with time window constraints	15
A column generation-based algorithm for midterm nurse scheduling with specialized constraints, preference considerations, and overtime	15
Adjusting the order crossover operator for capacitated vehicle routing problems	15
Optimal fleet deployment for electric vehicle sharing systems with the consideration of demand uncertainty	15
An accelerated Benders decomposition method for distributionally robust sustainable medical waste location and transportation problem	15
Minimizing the sum of completion times on a single machine with health index and flexible maintenance operations	15
Integrating order picking and vehicle routing decisions in a dynamic e-commerce setting	15
Assembly planning by disjunctive programming and geometrical reasoning	15
Disruption recovery for the pickup and delivery problem with time windows—A scenario-based approach for online food delivery	15
A value function-based approach for robust surgery planning	15
Routing and scheduling of platform supply vessels in offshore oil and gas logistics	15
A systematic review of permutation flow shop scheduling with due-date-related objectives	15
Shelter location–allocation problem for disaster evacuation planning: A simulation optimization approach	14
Mixed integer programming approaches to partial disassembly line balancing and sequencing problem	14
Integrated optimization of pilot and pilot carrier routing in seaports	14
A computational study on ant colony optimization for the traveling salesman problem with dynamic demands	14
Reinforcement learning-enhanced variable neighborhood search strategies for the k	14
Computing representations using hypervolume scalarizations	14
Portfolio optimisation: Bridging the gap between theory and practice	14
Distributionally robust single machine scheduling with release and due dates over Wasserstein balls	14
Planning and design of intermodal hub networks: A literature review	14
Scattered storage assignment: Mathematical model and valid inequalities to optimize the intra-order item distances	14
Satellite Scheduling Problems: A survey of applications in Earth and outer space observation	14
N-NEH+ algorithm for solving permutation flow shop problems	14
Can efficiency evaluation be applied to power plant operation improvement? A combined method with modified weighted russell directional distance model and pattern matching	14
A double-oracle, logic-based Benders decomposition approach to solve the K	14
Big data efficiency analysis: Improved algorithms for data envelopment analysis involving large datasets	14
One-dimensional stock cutting resilient against singular random defects	14