Research trends in combinatorial optimization

JM Weinand, K Sörensen… - International …, 2022 - Wiley Online Library
Real‐world problems are becoming highly complex and therefore have to be solved with
combinatorial optimization (CO) techniques. Motivated by the strong increase in publications …

Trajectory optimization for drone logistics delivery via attention-based pointer network

F Kong, J Li, B Jiang, H Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Drone logistics delivery is a potential booster to redefine the logistics system efficiency,
which has been a new special hot research field. Among that, how to optimize drone …

A hyper-heuristic approach based upon a hidden Markov model for the multi-stage nurse rostering problem

A Kheiri, A Gretsista, E Keedwell, G Lulli… - Computers & operations …, 2021 - Elsevier
The importance of the nurse rostering problem in complex healthcare environments should
not be understated. The nurses in a hospital should be assigned to the most appropriate …

[HTML][HTML] A Systematic Review of Vehicle Routing Problems and Models in Multi-Echelon Distribution Networks

P Nielsen, M Dahanayaka, HN Perera… - Supply Chain …, 2024 - Elsevier
The vehicle routing problem (VRP) is a combinatorial optimization problem that determines
optimal routes to enhance distribution efficiency. One of the most popular strategies in freight …

Temporal constraints and device management for the Skill VRP: mathematical model and lower bounding techniques

P Cappanera, C Requejo, MG Scutellà - Computers & Operations Research, 2020 - Elsevier
We study a generalization of the Skill VRP that incorporates time windows aspects,
precedence and synchronization constraints. Specifically, we are given a logistic network …

Heuristic sequence selection for inventory routing problem

A Kheiri - Transportation Science, 2020 - pubsonline.informs.org
In this paper, an improved sequence-based selection hyper-heuristic method for the Air
Liquide inventory routing problem, the subject of the ROADEF/EURO 2016 challenge, is …

Multi-armed bandit-based hyper-heuristics for combinatorial optimization problems

F Lagos, J Pereira - European Journal of Operational Research, 2024 - Elsevier
There are significant research opportunities in the integration of Machine Learning (ML)
methods and Combinatorial Optimization Problems (COPs). In this work, we focus on …

[HTML][HTML] A hyper-heuristic approach to the strategic planning of bike-sharing infrastructure

R Cheng, S Zhong, Z Wang, OA Nielsen… - Computers & Industrial …, 2022 - Elsevier
With the increasing concern on carbon emission, climate change, and human well-being,
governments worldwide are exploring ways to encourage the usage of sustainable modes of …

Selection hyper-heuristics

A Kheiri, E Keedwell - Proceedings of the Genetic and Evolutionary …, 2022 - dl.acm.org
Proceedings of the Genetic and Evolutionary Computation Conference Companion: Selection
hyper-heuristics Page 1 GECCO 2022 Tutorial Selection Hyper-heuristics Permission to make …

Exact and hyper‐heuristic solutions for the distribution‐installation problem from the VeRoLog 2019 challenge

A Kheiri, L Ahmed, B Boyacı, J Gromicho… - …, 2020 - Wiley Online Library
This work tackles a rich vehicle routing problem (VRP) problem integrating a capacitated
vehicle routing problem with time windows (CVRPTW), and a service technician routing and …