Results 1 to 10 of about 353 (231)

Improved solutions for the traveling purchaser problem [PDF]

open access: yesComputers & Operations Research, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wen Lea Pearn, R. C. Chien
openaire   +3 more sources

An iterated local search algorithm for the traveling purchaser problem

open access: yesEuropean Journal of Operational Research
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Raquel Bernardino
exaly   +4 more sources

The Multi-Depot Traveling Purchaser Problem with Shared Resources [PDF]

open access: yesSustainability, 2022
Using shared resources has created better opportunities in the field of sustainable logistics and procurement. The Multi-Depot Traveling Purchaser Problem under Shared Resources (MDTPPSR) is a new variant of the Traveling Purchaser Problem (TPP) in sustainable inbound logistics.
Zahra Sadat Hasanpour Jesri   +3 more
openaire   +2 more sources

The traveling purchaser problem for perishable foods

open access: yesComputers and Industrial Engineering
sponsorship: This work is supported by the Commission of Scientific Research Projects of Bursa Uludag University, Project Number FUI center dot -2022-1042. (Commission of Scientific Research Projects of Bursa Uludag University|FUI bull; -2022-1042)
Dirk Cattrysse   +2 more
exaly   +4 more sources

On the influence of infrastructure availability on companies decisions toward modal shift and relocation of falicities

open access: yesTransportation Research Interdisciplinary Perspectives, 2023
Purpose: Reduced availability of transport infrastructure affects highly dependent global supply chains (SCs), leading to modal shifts in the short term. Since relocation decisions of facilities may result in the long term, this paper evaluates companies’
Rebecca Wehrle   +3 more
doaj   +1 more source

Modeling and Analysis of Multiple-Supplier Selection Problem with Price Discounts and Routing Decisions

open access: yesApplied Sciences, 2019
This study investigates a multiple-supplier selection problem in which a firm or buyer aims to find an optimal set of suppliers to satisfy its demand for multiple components for a planning horizon.
Selin Çabuk, Rızvan Erol
doaj   +1 more source

Mapping the Cost of a Balanced Diet, as a Function of Travel Time and Food Price

open access: yesJournal of Agriculture, Food Systems, and Community Development, 2016
We present a new method for analyzing spatial variation in the cost of a balanced diet, as an alternative to food desert classification. Our specific hypothesis is that the cost of a balanced diet varies according to where one lives, as a function of ...
Nathan Hilbert   +5 more
doaj   +1 more source

A Pattern Recognition Lexi-Search Approach to the Variant Traveling Purchaser Problem

open access: yesIEEE Access
The traveling purchaser problem (TPP) is a generalization of the well-known traveling salesman problem. The purchaser is aware of the travel cost between a pair of markets and between a depot and markets, the purchase cost and availability of a product ...
Venkata Prathap Danavulapadu   +1 more
doaj   +1 more source

Logic-Based Decomposition Methods for the Travelling Purchaser Problem [PDF]

open access: yes, 2016
We present novel branch-and-check and logic-based Benders decomposition techniques for the Travelling Purchaser Problem, an important optimization problem with applications in vehicle routing, logistics, and warehouse management. Our master problem determines a set of markets and directed travel arcs that satisfy product purchase constraints with ...
Kyle E. C. Booth   +2 more
openaire   +1 more source

Deep Reinforcement Learning for Traveling Purchaser Problems

open access: yesIEEE Transactions on Emerging Topics in Computational Intelligence
The traveling purchaser problem (TPP) is an important combinatorial optimization problem with broad applications. Due to the coupling between routing and purchasing, existing works on TPPs commonly address route construction and purchase planning simultaneously, which, however, leads to exact methods with high computational cost and heuristics with ...
Haofeng Yuan   +6 more
openaire   +2 more sources

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