نتایج جستجو برای: stochastic vrp

تعداد نتایج: 126463  

2015
Qiang Song

Aiming to large-scale Multiple-Depot Food transport Vehicle Routing Problem (MDFVRP), this study proposed an improved genetic algorithm solution frame based on the two-stage fuzzy clustering. In the static upper stage, the k-means technology is used to divide the MDFVRP into several one-to-many sub-problems. From the perspective of improving the customer satisfaction and integrating logistics r...

2009
Hiroyuki Kawano Masahiro Kokai

In our previous research, we compared the actual route recorded by a GPS device “PhotoTrackr” and the optimal vehicle route derived by using ArcGIS Network Analyst tool. VRP is the fundamental problem in the research fields of transportation, we focus on variations of CVRPTW (Capacitated VRP with Time Windows). Various types of VRP are studied to determine the optimal route under various constr...

2012
Florence Massen Yves Deville Pascal Van Hentenryck

This paper proposes an abstraction of emerging vehicle routing problems, the Vehicle Routing Problem with Black Box Feasibility. In this problem the routes of a basic VRP need to satisfy an unknown set of constraints. A black box function to test the feasibility of a route is provided. This function is considered of non-linear complexity (in the length of the route). Practical examples of such ...

2009
George Jiang Meng Shi Solomon Conteh Nancy Richie Glenna Banania Harini Geneshan Anais Valencia Priti Singh Joao Aguiar Keith Limbach Kurt I. Kamrud Jonathan Rayner Jonathan Smith Joseph T. Bruder C. Richter King Takafumi Tsuboi Satoru Takeo Yaeta Endo Denise L. Doolan Thomas L. Richie Walter R. Weiss

Using newer vaccine platforms which have been effective against malaria in rodent models, we tested five immunization regimens against Plasmodium knowlesi in rhesus monkeys. All vaccines included the same four P. knowlesi antigens: the pre-erythrocytic antigens CSP, SSP2, and erythrocytic antigens AMA1, MSP1. We used four vaccine platforms for prime or boost vaccinations: plasmids (DNA), alphav...

Journal: :European Journal of Operational Research 2015
Raphael Kramer Anand Subramanian Thibaut Vidal Lucídio dos Anjos Formiga Cabral

This paper deals with the Pollution-Routing Problem (PRP), a Vehicle Routing Problem (VRP) with environmental considerations, recently introduced in the literature by [Bektaş and Laporte (2011), Transport. Res. B-Meth. 45 (8), 1232-1250]. The objective is to minimize operational and environmental costs while respecting capacity constraints and service time windows. Costs are based on driver wag...

2015
Stephen F. Austin R. Montague Whiting Paul Cornes

During winter, aerial surveys are used to estimate densities of ducks that occupy open-water habitats. However, such surveys are ineffective for sampling forest-dwelling species, especially Aix sponsa (Wood Ducks), Anas platyrhynchos (Mallards), and Lophodytes cucullatus (Hooded Mergansers). We evaluated fi xed-radius plot (FRP) and Reynolds and Goodrum variable-radius plot (VRP) methods for es...

2006
Timothy P. Moran Lishan Su Jonathan S. Serody Robert E. Johnston

TIMOTHY P. MORAN: Characterization of Dendritic Cells Transduced with Venezuelan Equine Encephalitis Virus Replicon Particles as Therapeutic Cancer Vaccines (Under the direction of Jonathan S. Serody and Robert E. Johnston) Cancer vaccines seek to harness the specificity of T and B lymphocytes for reduction of tumor burden, as well as prevention of recurrent disease by establishing immunologica...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
Joseph M Thompson Alan C Whitmore Jennifer L Konopka Martha L Collier Erin M B Richmond Nancy L Davis Herman F Staats Robert E Johnston

Vaccination represents the most effective control measure in the fight against infectious diseases. Local mucosal immune responses are critical for protection from, and resolution of, infection by numerous mucosal pathogens. Antigen processing across mucosal surfaces is the natural route by which mucosal immunity is generated, as peripheral antigen delivery typically fails to induce mucosal imm...

Journal: :Omega 2022

In this paper, we present the vehicle routing problem (VRP) with occasional drivers (OD) and order bundles (OB). The VRP-OD-OB is an extension of VRP-OD, where instead assigning one customer per driver, are assigned customers. To deal bundle-to-driver assignment, a bidding system exploited, in which company offers set raise their bids. These bids depend on features such as drivers’ destination,...

Journal: :Applied sciences 2022

Many real-life applications of the vehicle routing problem (VRP) occur in scenarios subject to uncertainty or dynamic conditions. Thus, for instance, traveling times customers’ demands might be better modeled as random variables than deterministic values. Likewise, traffic conditions could evolve over time, synchronization issues should need considered, a real-time re-optimization plan can requ...

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