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Results for the VRP

VRP Using ACO MetaHeuristic

VRP Using ACO MetaHeuristic

... IV. A NT COLONY OPTIMIZATION Ant Colony Optimization (ACO) is a paradigm for designing metaheuristic algorithms for combinatorial optimization problems. In all Ant Colony Optimization algorithms, each ant gets a start ...

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Adaptive large neighborhood search for multicommodity VRP

Adaptive large neighborhood search for multicommodity VRP

... From Table 1, we can see that our algorithm can solve to optimality 61 out of 64 small instances in reasonable computing time. On mid-sized instances, we obtain very good quality results on a reasonable amount of ...

5

A Firefly Algorithm for the Heterogeneous Fixed Fleet VRP

A Firefly Algorithm for the Heterogeneous Fixed Fleet VRP

... Despite the fact that there exist some very effective techniques for solving routing problems, such as exact methods (Laporte, 1992), heuristics and metaheuristics, the development of new metaheuristics for addressing ...

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Optimal combination of operators in Genetic Algorithmsfor VRP problems

Optimal combination of operators in Genetic Algorithmsfor VRP problems

... ABSTRACT : The well-known Vehicle Routing Problem (VRP) consist of assigning routeswith a set ofcustomersto different vehicles, in order tominimize the cost of transport, usually starting from a central warehouse ...

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Experiments To Determine The Simulated Annealing Parameters Case Study In VRP

Experiments To Determine The Simulated Annealing Parameters Case Study In VRP

... the results have a similar sensitivity to the values of the simulated annealing parameters as in the previous ...the results show, again the best result was found when T = 400, N = 100, r = ...

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A hybrid solution approach for the 3L-VRP with simultaneous delivery and pickups

A hybrid solution approach for the 3L-VRP with simultaneous delivery and pickups

... better results than rear loading with separated loading ...These results could be expected since the side loading allows to take full use of the loading ...the results much more than in the case of ...

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Multi-objective Genetic Algorithms for Multi-depot VRP with Time Windows

Multi-objective Genetic Algorithms for Multi-depot VRP with Time Windows

... the results obtained after using layers size of 4,5, and 6 using polynomial schemes with the age gap of ...the results of different age gap ...experiments results and plots we observed that if the ...

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Adaptive large neighborhood search for the commodity constrained split delivery VRP

Adaptive large neighborhood search for the commodity constrained split delivery VRP

... Table 11 reports these detailed results for several characteristics about the split customers in the best solution obtained on each instance. The first three columns report the characteristics of the instance, and ...

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Minimum cost VRP with time-dependent speed data and congestion charge

Minimum cost VRP with time-dependent speed data and congestion charge

... affect results for a hypothetical distribution operation and develop a model to use the historical data to construct a Road Timetable that shows the shortest time between nodes when the journeys start at different ...

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Model of Vehicle Routing  Design -VRP for Tire Distribution Applying Dynamic Programming

Model of Vehicle Routing Design -VRP for Tire Distribution Applying Dynamic Programming

... - VRP, applied to a distributor of tires with variable demand, with different sales points nationwide and has no logical support system for ...the results of the company and generating a low level of ...

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A multicriteria analysis for the green VRP: a case discussion for the distribution problem of a Spanish retailer

A multicriteria analysis for the green VRP: a case discussion for the distribution problem of a Spanish retailer

... obtained results could help logistics managers to lead the initiative in area of green logistics by saving money paid for environmental costs as well as direct cost of fuel and minimization of pollution and ...

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VRP-GMRES(m) Iteration Algorithm for Fast Multipole Boundary Element Method

VRP-GMRES(m) Iteration Algorithm for Fast Multipole Boundary Element Method

... calculation results from the two algorithms are ...the VRP-GMRES(m) algorithm because the variable restart parameter m can partly reduce the sensitivity of m ...

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Real World Sales Training: A Marketwired and Sysomos Case Study of Rehearsal VRP

Real World Sales Training: A Marketwired and Sysomos Case Study of Rehearsal VRP

... Results, Challenges, and Changes The Rehearsal VRP training module was a success. It offered a complete solution to the team’s training needs. The product offered a platform where the team could provide ...

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Comparing fast VRP algorithms for collaborative urban freight transport systems: a solution probleming analysis

Comparing fast VRP algorithms for collaborative urban freight transport systems: a solution probleming analysis

... The second reason is related to the application of the algorithms. Those algorithms are developed to be used by researchers and practitioners in strategic planning decision support in terms of suitability of deploying ...

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Tackling a VRP challenge to redistribute scarce equipment within time windows using metaheuristic algorithms

Tackling a VRP challenge to redistribute scarce equipment within time windows using metaheuristic algorithms

... naturally leads to an appropriate solution representation of individuals in terms of schedules. The genetic algorithm proves to be a powerful metaheuristic for a problem like this, where sub-optimal but feasible ...

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The waste collection VRP with intermediate facilities, a heterogeneous fixed fleet and a flexible assignment of origin and destination depot

The waste collection VRP with intermediate facilities, a heterogeneous fixed fleet and a flexible assignment of origin and destination depot

... its results to the optimal ones produced by the mathematical model on small instances, to the best known solutions (BKS) of Kim et ...collection VRP-IF and Crevier et ...

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A hybrid algorithm between the ant system and the harmonic search for solving the vehicle routing problem with time windows (VRP TW)

A hybrid algorithm between the ant system and the harmonic search for solving the vehicle routing problem with time windows (VRP TW)

... the results obtained with aim compared the behavior of our method with the other ...best results demonstrated that the four methods have similar ...average results exhibited that the performance our ...

6

A differential evolution algorithm to solve new green VRP model by optimizing fuel consumption considering traffic limitations for collection of expired products

A differential evolution algorithm to solve new green VRP model by optimizing fuel consumption considering traffic limitations for collection of expired products

... 5-1- Evaluation of the solution method in small and large sizes In this section, performance of the proposed algorithm will be investigated. In order to do so, two problem groups are designed: one in the small size and ...

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Survey paper on CAPTCHA AND VRP

Survey paper on CAPTCHA AND VRP

... of the target password database itself, where a target password database is the set of user passwords under attack): two based on different styles of human- seeded attacks, and [r] ...

5

On Vehicle Routing Problems (VRP) with a Focus on Multiple Priorities

On Vehicle Routing Problems (VRP) with a Focus on Multiple Priorities

... The VRP by [5] is a generic name given to a whole class of problems involving the visiting of “Customers” by ...The VRP appears very frequently in practical situations which are not directly related to the ...

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