Results 51 to 60 of about 25,143 (223)

The Vehicle Routing Problem with Service Level Constraints

open access: yes, 2017
We consider a vehicle routing problem which seeks to minimize cost subject to service level constraints on several groups of deliveries. This problem captures some essential challenges faced by a logistics provider which operates transportation services ...
Bulhões, Teobaldo   +3 more
core   +1 more source

Lateral radial head offset can be associated with chronic epicondylopathia humeri radialis: A new radiological parameter

open access: yesKnee Surgery, Sports Traumatology, Arthroscopy, EarlyView.
Abstract Purpose This study aimed to compare anatomical parameters on magnetic resonance imaging (MRI) scans between patients with symptomatic isolated chronic epicondylopathia humeri radialis (cER) and healthy controls. It was hypothesized that the radial head would show an increased lateral offset in patients with cER.
Romed P. Vieider   +7 more
wiley   +1 more source

How did VRP grow? Towards Sustainable Models by Developing a Novel Classification

open access: yesSustainable Futures
The Vehicle Routing Problem (VRP) model optimizes the routing of a fleet of vehicles to serve customers and has evolved over time. VRP studies have experienced an 11% growth over the past 5 years.
Ahmad Reza Jafarian-Moghaddam   +1 more
doaj   +1 more source

The vehicle routing problem with relaxed priority rules

open access: yesEURO Journal on Transportation and Logistics, 2021
The Vehicle Routing Problem (VRP) is one of the most studied topics in Operations Research. Among the numerous variants of the VRP, this research addresses the VRP with relaxed priority rules (VRP-RPR) in which customers are assigned to several priority ...
Thanh Tan Doan   +2 more
doaj   +1 more source

Option-implied information and predictability of extreme returns : [Version 28 Januar 2013] [PDF]

open access: yes, 2012
We study whether prices of traded options contain information about future extreme market events. Our option-implied conditional expectation of market loss due to tail events, or tail loss measure, predicts future market returns, magnitude, and ...
Vilkov, Grigory, Xiao, Yan
core   +2 more sources

Analysis of Venezuelan equine encephalitis replicon particles packaged in different coats. [PDF]

open access: yesPLoS ONE, 2008
The Venezuelan equine encephalitis (VEE) virus replicon system was used to produce virus-like replicon particles (VRP) packaged with a number of different VEE-derived glycoprotein (GP) coats.
Kurt I Kamrud   +9 more
doaj   +1 more source

An integrated model for cash transfer system design problem [PDF]

open access: yes, 2013
This paper presents an integrated model that incorporates strategic, tactical, and operational decisions for a cash transfer management system of a bank.
Dasci, Abdullah   +4 more
core  

Photon Assisted Tunneling of Zero Modes in a Majorana Wire

open access: yes, 2019
Hybrid nanowires with proximity-induced superconductivity in the topological regime host Majorana zero modes (MZMs) at their ends, and networks of such structures can produce topologically protected qubits.
Karzig, Torsten   +10 more
core   +1 more source

The Vehicle Routing Problem with Divisible Deliveries and Pickups [PDF]

open access: yes, 2012
The vehicle routing problem with divisible deliveries and pickups is a new and interesting model within reverse logistics. Each customer may have a pickup and delivery demand that have to be served with capacitated vehicles. The pickup and the delivery
Battiti R   +5 more
core   +1 more source

On‐Time Meal Delivery Assisted by Drone Resupply

open access: yesNaval Research Logistics (NRL), EarlyView.
ABSTRACT Ensuring timely delivery is crucial with the increasing competition in online meal delivery services. This requires the industry to adopt new technologies and the corresponding operational models, including the use of drones. Concerning the desired features of meal delivery, such as safety and reliability, we propose an operational model that ...
Wenqian Liu, Lindong Liu, Xiangtong Qi
wiley   +1 more source

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