In the two-echelon vehicle routing problem (2E-VRP), the distribution network is split into two
echelons. Different vehicles are operated on the first and second echelon to maintain …

Abstract Throughout its history, Operational Research has evolved to include methods,
models and algorithms that have been applied to a wide range of contexts. This …

Background: This paper discusses the optimization of a novel fuzzy hierarchical location-
routing problem, taking into consideration reliability. The mathematical model presented …

Eliminating delays under uncertain delivery conditions presents a formidable challenge for
meal delivery platforms. Nevertheless, by implementing effective measures, these platforms …

Providing first aid and other supplies (eg, epi‐pens, medical supplies, dry food, water)
during and after a disaster is always challenging. The complexity of these operations …

This paper examines the challenges associated with the efficient planning and operation of
an E-grocery delivery system using Autonomous Delivery Robots (ADR) during unforeseen …

Given the swift expansion of fresh e-commerce, the front warehouse mode can respond
quickly and ensure the quality of fresh products. However, the complexity of the supply chain …

Abstract In the Multi-Commodity two-echelon Distribution Problem (MC2DP), multiple
commodities are distributed in a two-echelon distribution system involving suppliers …

In many large manufacturing companies, freight management is handled by a third-party
logistics (3PL) provider, thus allowing manufacturers and their suppliers to focus on the …

We consider the vehicle routing problem with stochastic demands (VRPSD), a stochastic
variant of the well-known VRP in which demands are only revealed upon arrival of the …