Computers & Operations Research

Article	Citations
A multi-algorithm approach for operational human resources workload balancing in a last mile urban delivery system	459
A Graph Reinforcement Learning Framework for Neural Adaptive Large Neighbourhood Search	157
Novel mathematical formulations for parallel-batching processing machine scheduling problems	122
Editorial Board	122
Addendum to “FPBH: A feasibility pump based heuristic for multi-objective mixed integer linear programming” [Comput. Oper. Res. 112 (2019) 104760]	104
Sequential customers’ decisions in facility location with comparison-shopping	89
Branch-and-price algorithms for large-scale mission-oriented maintenance planning problems	85
A logic-based Benders decomposition solution approach for two covering problems that consider the underlying transportation	78
Arc routing with trip-balancing and attractiveness measures — A waste collection case study	76
Using machine learning to identify hidden constraints in vehicle routing problems	72
Logic-based Benders decomposition with a partial assignment acceleration technique for avionics scheduling	67
VNSMAS: A constraint-based portfolio profit maximization	63
Integrated packing and routing: A model and its solutions	62
Multi-objective shipment consolidation and dispatching problem	61
Collaborative optimization of last-train timetables for metro network to increase service time for passengers	60
A slope scaling heuristic for the multi-period strategic planning of carbon capture and storage	60
Hybrid genetic search for the traveling salesman problem with hybrid electric vehicle and time windows	54
On some lower bounds for the permutation flowshop problem	53
An investigation of nature inspired algorithms on a particular vehicle routing problem in the presence of shift assignment	52
Time window optimization for attended home service delivery under multiple sources of uncertainties	52
Home healthcare staff dimensioning problem for temporary caregivers: A matheuristic solution approach	51
Offline approximate value iteration for dynamic solutions to the multivehicle routing problem with stochastic demand	51
Reducing disease spread through optimization: Limiting mixture of the population is more important than limiting group sizes	51
Stochastic production routing problem for perishable products: Modeling and a solution algorithm	50
ILS-based algorithms for the profit maximizing uncapacitated hub network design problem with multiple allocation	50

Optimizing price, order quantity, and backordering level using a nonlinear holding cost and a power demand pattern	50
Digital twin-enabled dynamic scheduling with preventive maintenance using a double-layer Q-learning algorithm	50
Effective constructive heuristics for distributed no-wait flexible flow shop scheduling problem	48
A proactive aircraft recovery approach based on airport spatiotemporal network supply and demand coordination	48
Decentralized online integer programming problems with a coupling cardinality constraint	48
Approximate Condorcet Partitioning: Solving large-scale rank aggregation problems	47
Stochastic inventory routing with dynamic demands and intra-day depletion	47
MILP-based local search procedures for minimizing total tardiness in the No-idle Permutation Flowshop Problem	46
Optimizing strategic and operational decisions of car sharing systems under demand uncertainty and substitution	45
Intra-facility equity in discrete and continuous p-facility locati	44
A genetic algorithm to solve the production lot-sizing problem with capacity adjustment	43
Models and algorithms for configuring and testing prototype cars	42
Scheduling jobs with shared additional operations on parallel identical machines	42
A graph theoretic approach to non-anticipativity constraint generation in multistage stochastic programs with incomplete scenario sets	40
High quality timetables for Italian schools	40
Exact algorithms for a parallel machine scheduling problem with workforce and contiguity constraints	39
The integrated on-demand bus routing problem: Combining on-demand buses with a high-frequency fixed line public transport network	39
Two-stage multi-neighborhood simulated annealing for uncapacitated examination timetabling	39
Selection hyper-heuristics for the multi and many-objective quadratic assignment problem	39
Manufacturing rescheduling after crisis or disaster-caused supply chain disruption	38
Minimizing the makespan on two parallel machines with a common server in charge of loading and unloading operations	38
Q-learning based hyper-heuristic with clustering strategy for combinatorial optimization: A case study on permutation flow-shop scheduling problem	38
Metaheuristics for the bi-objective resource-constrained project scheduling problem with time-dependent resource costs: An experimental comparison	37
An efficient optimisation procedure for the Workforce Scheduling and Routing Problem: Lagrangian relaxation and iterated local search	37
Efficient arc-flow formulations for makespan minimisation on parallel machines with a common server	37
Editorial Board	37
Feature and functional form selection in additive models via mixed-integer optimization	37
Hybrid-biased genetic algorithm for packing unequal rectangles into a fixed-size circle	36
An ALNS metaheuristic for the family multiple traveling salesman problem	36
Batch processing machine scheduling problems using a self-adaptive approach based on dynamic programming	36
Revisiting the development trajectory of parallel machine scheduling	35
A threshold search based memetic algorithm for the disjunctively constrained knapsack problem	35
Managing hospital inpatient beds under clustered overflow configuration	34
The pollution-routing problem with speed optimization and uneven topography	34
Coordinating visit interval and safety stock decisions in a two-level supply chain with shelf-life considerations	34
Project scheduling cost optimization based on resource transfer costs and robustness	34
Parallel branch-and-price algorithms for the single machine total weighted tardiness scheduling problem with sequence-dependent setup times	33
A reinforcement learning guided hybrid evolutionary algorithm for the latency location routing problem	33
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	33
A risk index model for uncertain portfolio selection with background risk	33
Benders decomposition applied to profit maximizing hub location problem with incomplete hub network	32
Collaborative optimization of routing and storage strategy of multi-period multimodal transport in an uncertain environment	31
A hybrid metaheuristic for smart waste collection problems with workload concerns	31
A hub-and-spoke network design for relocating emergency service vehicles	31
Logic-based Benders decomposition for bi-objective parallel machine selection and job scheduling with release dates and resource consumption	31
A multi-objective linear programming model for scheduling part families and designing a group layout in cellular manufacturing systems	31
Heterogeneous fleet management for one-way electric carsharing system with optional orders, vehicle relocation and on-demand recharging	30
Editorial Board	30
A strategic oscillation simheuristic for the Time Capacitated Arc Routing Problem with stochastic demands	30
Optimal sequencing using a scheduling heuristic	30

Branch-and-refine for solving time-expanded MILP formulations	30
Symmetric projection group approach for promoting homogeneity in the analytic hierarchy process	29
Editorial Board	29
Optimal area polygonization problems: Exact solutions through geometric duality	29
Optimization of a stochastic joint replenishment inventory system with service level constraints	29
Rectangle packing with a recursive Pilot Method	29
Multistage adaptive robust optimization for the hydrothermal scheduling problem	28
A fast algorithm for quadratic resource allocation problems with nested constraints	28
Improving energy aware nanosatellite task scheduling by a branch-cut-and-price algorithm	28
Editorial Board	28
Compact integer linear programming formulations for the temporal bin packing problem with fire-ups	28
On serial and parallel evaluation functions for Job Sequencing and Tool Switching problems	28
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	27
Location and routing of armed Unmanned Aerial Vehicles and carrier platforms against mobile targets	27
A hybrid genetic algorithm based on a two-level hypervolume contribution measure selection strategy for bi-objective flexible job shop problem	27
A heuristic approach for the integrated production–transportation problem with process flexibility	27
Optimisation of steel rolling schedule based on evolutionary multi-tasking transfer algorithm	27
An exact two-phase approach to re-optimize tours in home care planning	27
Data-driven project portfolio selection: Decision-dependent stochastic programming formulations with reliability and time to market requirements	26
Editorial Board	26
An implementor-adversary approach for uncertain and time-correlated service times in the nurse-to-patient assignment problem	26
Revenue optimization in energy networks involving self-scheduled demand and a smart grid	26
Fleet and charging infrastructure decisions for fast-charging city electric bus service	26
Exact and approximate heuristics for the rectilinear Weber location problem with a line barrier	26
Multistage adaptive distributionally robust optimization for the medical supplies distribution problem with uncertain demand in humanitarian aid	25
Off-line approximate dynamic programming for the vehicle routing problem with a highly variable customer basis and stochastic demands	25
Efficient iterative optimization to real-time train regulation in urban rail transit networks combined with Benders decomposition method	25
Multi- and many-objective path-relinking: A taxonomy and decomposition approach	25
Benders decomposition algorithms for minimizing the spread of harmful contagions in networks	25
A note on “Self-adaptive General Variable Neighborhood Search algorithm for parallel machine scheduling with unrelated servers”	25
A hybrid approach using ant colony optimisation for integrated scheduling of production and transportation tasks within flexible manufacturing systems	25
Collaborative vehicle-drone distribution network optimization for perishable products in the epidemic situation	24
An improved decomposition-based heuristic for truck platooning	24
Solving the 1-median problem on a network with continuous demand and demand surplus	23
Two-echelon collaborative routing problem with heterogeneous crowd-shippers	23
The container premarshalling problem under limited crane time: A constraint programming approach	23
Closed-loop supply chain network design with price-greenness-sensitive demand: A distributionally robust chance-constrained optimization approach	23
Robustness evaluation of trust and reputation systems using a deep reinforcement learning approach	23
Scheduling identical serial-batching machines in the engine manufacturing supply chain by an integrated variable neighborhood search algorithm	23
A feature correlation reinforce clustering and evolutionary algorithm for the green bike-sharing reposition problem	23
Data-driven integrated home service staffing and capacity planning: Stochastic optimization approaches	23
Heuristic and metaheuristic procedures for the buffer sizing problem in parallel assembly lines balancing problem with multi-line workstations and different cycle times	23
Robust optimization for lot-sizing problems under yield uncertainty	23
Automatic generation of algorithms for robust optimisation problems using Grammar-Guided Genetic Programming	23
Editorial Board	22
New method for solving Ivanov regularization-based support vector machine learning	22
The ethical shortlisting problem	22
An improved genetic algorithm for the integrated satellite imaging and data transmission scheduling problem	22
Model and metaheuristic for human–robot collaboration assembly line worker assignment and balancing problem	22
Minimum cost consensus model considering dual behavior preference	22
A hybrid algorithm for the Vehicle Routing Problem with AND/OR Precedence Constraints and time windows	22
Heuristic and metaheuristic procedures for the Parallel Assembly Lines Balancing Problem with multi-line workstations and buffer sizing	22
A decomposition approach for the stochastic asset protection problem	22
A hybrid genetic algorithm for the min–max Multiple Traveling Salesman Problem	22
Location and two-echelon inventory network design with economies and diseconomies of scale in facility operating costs	22
Solving the Capacitated Dispersion Problem with variable neighborhood search approaches: From basic to skewed VNS	21
The exam location problem: Mathematical formulations and variants	21
Epsilon Oscillation Algorithm for the bi-objective green identical parallel machine scheduling problem	21
A comparison of alternative models for solving a non-linear single plant Hydro Unit Commitment problem	21
A numerical optimization approach for pricing components in customer defined bundles in a B2B market	21
A robust ordered weighted averaging loss model for portfolio optimization	21
Fair allocation of personal protective equipment to health centers during early phases of a pandemic	21
A causal framework for stochastic local search optimization algorithms	21
Simultaneous predictive maintenance and inventory policy in a continuously monitoring system using simulation optimization	21
A novel mathematical modeling approach for integrating a periodic vehicle routing problem and cross-docking system	21
A new composite heuristic to minimize the total tardiness for the single machine scheduling problem with variable and flexible maintenance	21
Flexible electricity market clearing zones	21
Automatic design of constructive heuristics for a reconfigurable distributed flowshop group scheduling problem	21
A branch-cut-and-price approach for the two-echelon vehicle routing problem with drones	21
Heuristic algorithm for nested Markov decision process: Solution quality and computational complexity	21
The aquaculture service vessel routing problem with time dependent travel times and synchronization constraints	20
The low-carbon vehicle routing problem with dynamic speed on steep roads	20
Vehicle routing problem for omnichannel retailing including multiple types of time windows and products	20
Integer programming approaches to the multiple team formation problem	20
Benders decomposition for the large-scale probabilistic set covering problem	20
Approximation algorithms for job scheduling with block-type conflict graphs	20
Robust optimization for the electric vehicle pickup and delivery problem with time windows and uncertain demands	20
Erratum to “Benders decomposition for a period-aggregated resource leveling problem with variable job duration” [Comput. Oper. Res. 132 (2021) 105258]	20
The continuous delayed distribution problem	19

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