The traveling purchaser problem for perishable foods

I Kucukoglu, P Vansteenwegen, D Cattrysse - Computers & Industrial …, 2024 - Elsevier
This paper addresses the well-known traveling purchaser problem (TPP) considering
restrictions related to perishable food, which is called the traveling purchaser problem for …

Multi-vehicle clustered traveling purchaser problem using a variable-length genetic algorithm

A Roy, S Maity, I Moon - Engineering Applications of Artificial Intelligence, 2023 - Elsevier
In this paper, we propose a multi-vehicle clustered traveling purchaser problem
(MVCluTPP). Here, two types of procurement planning are proposed. In the first setup, the …

[HTML][HTML] Adaptive stochastic lookahead policies for dynamic multi-period purchasing and inventory routing

D Cuellar-Usaquén, MW Ulmer, C Gomez… - European Journal of …, 2024 - Elsevier
We explore a problem faced by agri-food e-commerce platforms in purchasing different,
perishable products and collecting them from multiple producers and delivering them to a …

A facility location problem for extracurricular workshop planning: bi‐level model and metaheuristics

S Polino, JF Camacho‐Vallejo… - … in Operational Research, 2024 - Wiley Online Library
This paper presents a facility location problem with capacitated multiservice facilities in
which the allocation of the users is based on their preferences. The problem arises from an …

A metaheuristic for the double traveling salesman problem with partial last‐in‐first‐out loading constraints

B Mardones, G Gatica… - … in Operational Research, 2023 - Wiley Online Library
This paper addresses the double traveling salesman problem with partial last‐in‐first‐out
(LIFO) loading constraints. A vehicle picks up items in the pickup area and loads them into …

Multipath traveling purchaser problem with time-dependent market structure using quantum-inspired variable length genetic algorithm

S Maji, K Pradhan, S Maity, IE Nielsen, D Giri… - Computers & Industrial …, 2023 - Elsevier
In developing countries, rural and semi-urban markets remain open for a particular period of
time in a day, and items' availabilities and prices vary within the opening hours of a market …

[HTML][HTML] Dynamic Path Relinking for the Target Set Selection problem

I Lozano-Osorio, A Oliva-García… - Knowledge-Based Systems, 2023 - Elsevier
This research proposes the use of metaheuristics for solving the Target Set Selection (TSS)
problem. This problem emerges in the context of influence maximization problems, in which …

An enhanced grasp approach for the index tracking problem

JCS Silva, DFL Silva… - … in Operational Research, 2024 - Wiley Online Library
Index tracking models build portfolios of limited size that replicate the performance of a
market index. As the size of the index grows, it becomes impractical to find an optimal …

[PDF][PDF] A hybrid matheuristic approach for the vehicle routing problem with three-dimensional loading constraints

DAA Rodríguez, DÁ Martínez… - International Journal of …, 2022 - m.growingscience.com
The integrated vehicle routing and packing problem, considering three-dimensional loading
constraints (3L–CVRP), is categorized as an NP-hard problem because it is a generalization …

Utilizing Multi-vehicle Traveling Purchaser Problem for Multiple-Supplier Selection and Multi-period Lot-Sizing in a Fuzzy Demand Environment

M Khosroabadi, J Gheidar-Kheljani… - Operations Research …, 2024 - Springer
The decision of whether to collaborate with one or multiple sources is a crucial challenge in
the supply chain. This decision involves considering various criteria, including price and …