A vehicle routing problem for biological sample transportation in healthcare: mathematical formulations and a metaheuristic approach

M Benini, P Detti, GZM de Lara - arXiv preprint arXiv:2104.09275, 2021 - arxiv.org
… on time and the total transportation cost is minimized. … We first select a random spoke among
the active ones in the … of the batches are, since the cardinality of each batch is bigger. In …

Improving the performance of arrival on time in stochastic shortest path problem

Y Wu, W Chen, X Zhang, G Liao - 2016 IEEE 19th International …, 2016 - ieeexplore.ieee.org
… to different optimal conditions for vehicle routing [6], [7]. … cardinality minimization to obtain a
path regarded as the … adopt the enumeration method to find out the optimal path which visits …

A hybrid bat algorithm with path relinking for the capacitated vehicle routing problem

Y Zhou, Q Luo, J Xie, H Zheng - … and optimization in civil engineering, 2016 - Springer
… In order to verify the effectiveness of our approach and its … In a cardinality-based RCL,
the latter is made up by the k top-… Second, after determining the subsequence S1, a random

Opportunistic routing for vehicular energy network

AYS Lam, VOK Li - IEEE Internet of Things Journal, 2017 - ieeexplore.ieee.org
… with a focus on energy loss minimization, we extend the result … In the j-th iteration, we first
determine the shortest path, in terms … Before that, we investigate the growth of cardinality of P, …

[PDF][PDF] A vehicle routing problem for modeling home healthcare: a case study

M Issabakhsh, SM Hosseini-Motlagh… - International Journal of …, 2018 - ijte.ir
… uncertainty, first a Vehicle Routing Problem model is … method called robust optimization, is
applied to handle time uncertainty. The corresponding results show that the proposed method

Facing robustness as a multi-objective problem: A bi-objective shortest path problem in smart regions

C Cintrano, F Chicano, E Alba - Information Sciences, 2019 - Elsevier
… context: Finding routes for cars in a city to minimize travel time and … We will assume that
random variables associated with … is an exact method to solve the multi-objective shortest path

Robust vehicle routing under uncertainty via branch-price-and-cut

A Wang, A Subramanyam, CE Gounaris - Optimization and Engineering, 2021 - Springer
approaches that modify the pricing algorithm, our approach … extreme points of the
cardinality-constrained and factor model … can be modeled as a shortest path problem with …

[HTML][HTML] Optimizing e-commerce last-mile vehicle routing and scheduling under uncertain customer presence

SS Özarık, LP Veelenturf, T Van Woensel… - … Research Part E …, 2021 - Elsevier
… We minimize the sum of the routing cost and of the expected … | · ∊ , where | V c | is the cardinality
of set V c and ∊ is a factor … The smallest route removal operator helps to search in larger …

Simulation-based optimisation approach for the stochastic two-echelon logistics problem

R Liu, Y Tao, Q Hu, X Xie - International Journal of Production …, 2017 - Taylor & Francis
approach for the two-echelon vehicle routing problem with … programming and aims to
minimise the total expected … = {1, … , } represents the set of satellites ( is the cardinality of …

A solution approach for multi‐trip vehicle routing problems with time windows, fleet sizing, and depot location

P Fermin Cueto, I Gjeroska, A Sola Vilalta… - Networks, 2021 - Wiley Online Library
… in the field of combinatorial optimization. It is a generalization … of edges E represents the
shortest paths between customers. … cardinality of the set of vehicles K to the number of vehicles